The Authoring Tool Accessibility Guidelines Working Group is chartered to maintain and support the Authoring Tool Accessibility Guidelines 1.0 W3C Recommendation, and develop ATAG 2, a second version of these authoring tools accessibility guidelines.

Contact: Jeanne Spellman

The mission of the group is to develop and maintain CSS.

Contacts: Chris Lilley, Bert Bos

The mission of the W3C Compound Document Formats (CDF) Working Group is to continue to develop specifications which combine selected existing document formats from the W3C and elsewhere, and which specify the runtime behavior of such combined documents.

Contact: Doug Schepers

The mission of the Device APIs and Policy Working Group is to create client-side APIs that enable the development of Web Applications and Web Widgets that interact with devices services such as Calendar, Contacts, Camera, etc. Additionally, the group will produce a framework for the expression of security policies that govern access to security-critical APIs (such as the APIs listed previously).

Contacts: Thomas Roessler, Dominique Hazaël-Massieux

The mission of the Education and Outreach Working Group (EOWG) is to develop strategies, and awareness and training resources, to educate a variety of audiences regarding the need for Web accessibility and approaches to implementing Web accessibility.

Contact: Shawn Henry

The main objective of the Efficient XML Interchange (EXI) Working Group is to develop a format that allows efficient interchange of the XML Information Set.

Contact: Carine Bournez

The mission of the Evaluation and Repair Tools Working Group (ERT WG) is to develop techniques and resources to facilitate the evaluation and repair of Web sites with regard to their conformance to the Web Content Accessibility Guidelines 2.0, and to facilitate testing across all three WAI guidelines also including the Authoring Tool Accessibility Guidelines and User Agent Accessibility Guidelines.

Contact: Shadi Abou-Zahra

The mission of the Forms Working Group is to develop specifications to cover forms on the Web, producing a system that scales from low-end devices through to the enterprise level.

Contact: Steven Pemberton

The mission of the Geolocation Working Group is to define a secure and privacy-sensitive interface for using client-side location information in location-aware Web applications.

Contact: Matt Womer

The mission of the HTML Working Group is to continue the evolution of HTML (including classic HTML and XML syntaxes).

Contact: Michael(tm) Smith

The mission of the Internationalization Core Working Group is to enable universal access to the World Wide Web by proposing and coordinating the adoption by the W3C of techniques, conventions, technologies, and designs that enable and enhance the use of W3C technology and the Web worldwide, with and between the various different languages, scripts, regions, and cultures.

Contact: Richard Ishida

The mission of the Math Working Group is to facilitate and promote the use of the Web for mathematical and scientific communication. The main purpose of the Working Group is to improve and extend the functionality of the MathML 2.0 (Second Edition) Recommendation (W3C Recommendation, 21 October 2003) in light of several years of experience of large-scale deployment by many individuals and organizations.

Contact: Bert Bos

The mission of the Media Annotations Working Group is to provide an ontology designed to facilitate cross-community data integration of information related to media objects in the Web, such as video, audio and images.

Contact: Thierry Michel

The mission of the Media Fragments Working Group is to address temporal and spatial media fragments in the Web using Uniform Resource Identifiers (URI).

Contacts: Thierry Michel, Yves Lafon

The mission of the Mobile Web Best Practices Working Group (BPWG) is to develop a set of technical best practices and associated materials in support of development of web sites that provide an appropriate user experience on mobile devices.

Contacts: Dominique Hazaël-Massieux, François Daoust

The mission of the Mobile Web Initiative Test Suites Working Group is to help create a strong foundation for the mobile Web through the development of a set of tests suited for browsers on mobile devices.

Contact: Dominique Hazaël-Massieux

The mission of the Multimodal Interaction Working Group is to develop open standards that enable the extension of the Web to allow multiple modes of interaction (GUI, speech, vision, pen, gestures, haptic interfaces, …) for anyone, anywhere, on any device, at any time.

Contact: Kazuyuki Ashimura

The OWL Web Ontology Language is playing an important role in an increasing number and range of applications, and is the focus of research into tools, reasoning techniques, formal foundations and language extensions. The mission of the OWL Working Group is to produce a W3C Recommendation that refines and extends OWL.

Contacts: Ivan Herman, Sandro Hawke

The mission of the Protocols and Formats Working Group (PFWG) (Member Confidential PFWG) is to increase the support for accessibility in Web specifications. This mission flows from the W3C mission of promoting universal access and interoperability across the Web.

Contact: Michael Cooper

The mission of the RDB2RDF Working Group is to standardize a language for mapping relational data and relational database schemas into RDF and OWL.

Contact: Harry Halpin

The Working Group is to specify a format for rules, so they can be used across diverse systems. This format (or language) will function as an interlingua into which established and new rule languages can be mapped, allowing rules written for one application to be published, shared, and re-used in other applications and other rule engines.

Contact: Sandro Hawke

The mission of the SOAP-JMS Binding Working Group is to produce a W3C Recommendation for how SOAP should bind to a transport that supports the Java™ Message Service (JMS) api by refining the “SOAP over Java™ Message Service 1.0” Member Submission. In the case of SOAP 1.2 this binding must use the SOAP Protocol Binding Framework defined by the XML Protocol Working Group.

Contact: Yves Lafon

The mission of the SPARQL Working Group is to develop SPARQL, the query language for the Semantic Web. The scope of its current charter is to extend SPARQL technology to include some of the features that the community has identified as both desirable and important for interoperability based on experience with the initial version of the standard.

Contacts: Ivan Herman, Sandro Hawke

The mission of the SVG Working Group is to continue the evolution of Scalable Vector Graphics as a format and a platform, and enhance the adoption and usability of SVG in combination with other technologies.

Contacts: Doug Schepers, Chris Lilley

The mission of the SYMM Working Group is to continue W3C’s work on synchronized multimedia that started with SMIL 1.0, SMIL 2.0. Its main contribution is extending the functionality contained in the current SMIL 2.0 Recommendation.

Contact: Thierry Michel

The Semantic Web Deployment Working Group provides consensus-based guidance on issues of practical RDF development and deployment practices in the areas of publishing vocabularies, OWL usage, and integrating RDF with HTML documents (e.g. through RDFa).

Contact: Ralph Swick

The mission of the Service Modeling Language (SML) Working Group is to produce W3C Recommendations for Service Modeling Language by refining the “Service Modeling Language” (SML) Member Submission, addressing implementation experience and feedback for the specifications. SML defines extensions to the W3C XML Schema language by adding support for inter-document references and user-defined constraints. This combination of features is very useful in building complex multi-document models that capture structure, constraints, and relationships. In the management domain, these models are typically used to automate configuration, deployment, monitoring, capacity planning, change verification, desired configuration management, root-cause analysis for faults, etc.

Contact: Henry S. Thompson

The mission of the Timed Text Working Group is to produce a W3C Recommendation for media online captioning by refining the W3C specification Timed Text (TT) Authoring Format 1.0 — Distribution Format Exchange Profile (DFXP) based in implementation experience and interoperability feedback.

Contact: Philippe Le Hégaret

The Ubiquitous Web Applications Working Group seeks to simplify the creation of distributed Web applications involving a wide diversity of devices, including desktop computers, office equipment, home media appliances, mobile devices (phones), physical sensors and effectors (including RFID and barcodes). This will be achieved by building upon existing work on device independent authoring and delivery contexts by the former DIWG, together with new work on remote eventing, device coordination and intent-based events.

Contact: Matt Womer

The mission of the User Agent Accessibility Guidelines Working Group is to produce guidelines for the development of accessible user agents: software that retrieves and renders Web content, including text, graphics, sounds, video, images, etc. In particular, the groups seeks to support the implementation of the User Agent Accessibility Guidelines 1.0 , and to collect requirements for a subsequent version of User Agent Accessibility Guidelines.

Contact: Jeanne Spellman

The mission of the Voice Browser Working Group is to enable users to speak and listen to Web applications by creating standard languages for developing Web-based speech applications. The Voice Browser Working Group concentrates on languages for capturing and producing speech and managing the dialog between user and computer, while a related Group, the Multimodal Interaction Working Group, concentrates on additional input modes including keyboard and mouse, ink and pen, etc.

Contacts: Kazuyuki Ashimura, Matt Womer

The mission of the Web Applications (WebApps) Working Group is to provide specifications that enable improved client-side application development on the Web, including specifications both for application programming interfaces (APIs) for client-side development and for markup vocabularies for describing and controlling client-side application behavior.

Contacts: Doug Schepers, Michael(tm) Smith

The mission of the Web Content Accessibility Guidelines Working Group is to develop guidelines to make Web content accessible for people with disabilities. In particular, the group is responsible for the Web Content Accessibility Guidelines 2.0 as a W3C Recommendation.

Contact: Michael Cooper

The mission of the Web Security Context Working Group is to specify a baseline set of security context information that should be accessible to Web users, and practices for the secure and usable presentation of this information, to enable users to come to a better understanding of the context that they are operating in when making trust decisions on the Web.

Contact: Thomas Roessler

The mission of the Web Services Policy Working Group is to produce W3C Recommendations for Web Services Policy by refining the “WS-Policy” Member Submission, addressing implementation experience and interoperability feedback from the specifications, maximizing compatibility with existing policy assertions and considering composition with other components in the Web services architecture.

Contact: None

The mission of the Web Services Resource Access Working Group is to produce W3C Recommendations for a set of Web Services specifications by refining the WS-Transfer, WS-ResourceTransfer, WS-Enumeration, WS-MetadataExchange and WS-Eventing Member Submissions , addressing existing issues in those specifications, implementation experience and interoperability feedback from implementers and considering composition with other Web services standards. The submitted specifications define SOAP-based mechanisms for interacting with the XML representation behind a resource-oriented Web Service, accessing metadata related to that service, as well as a mechanism to subscribe to events related to that resource.

Contact: Yves Lafon

The WebCGM Working Group is working on integrating some of the requirements that were identified but not included in the development of WebCGM 2.0 into a WebGGM 2.1 specification.

Contact: Thierry Michel

The mission of the XHTML2 Working Group is to fulfill the promise of XML for applying XHTML to a wide variety of platforms with proper attention paid to internationalization, accessibility, device-independence, usability and document structuring. This mission includes providing an essential piece for supporting rich Web content that combines XHTML with other W3C work on areas such as math, scalable vector graphics, synchronized multimedia, and forms, in cooperation with other Working Groups.

Contact: Steven Pemberton

The mission of the XML Core Working Group is to maintain and develop as needed core XML specifications.

Contact: Henry S. Thompson

The XML Processing Model Working Group is defining XProc, an XML-based language that allows the creator of any given XML document to indicate that operations on that document should be performed in a specific order for a particular result, and if so, how to apply those operations.

Contact: Henry S. Thompson

The mission of the XML Query Working Group is to provide flexible query facilities to extract data from XML and virtual documents, such as contents of databases or other persistent storage that are viewed as XML via a mapping mechanism, on the Web.

Contact: Liam Quin

The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents. XML Schema is similar to, but more expressive than, the notation given in XML 1.0 and SGML for document type definitions. The mission of the XML Schema Working Group is to maintain and enhance the XML Schema Definition Language, an XML vocabulary for defining document classes by specifying structural and non-structural constraints on documents.