OBSOLETE DRAFT. See LDP charter.
The mission of the Linked Data
Platform (LDP) Working Group, part of the Semantic
Web Activity, is to provide standards to develop and deploy interoperable
applications based on Linked
Data. The scope of the Working Group is to provide
profiles of existing Semantic Web standards, as well as to develop further W3C
Recommendations in case the current standards do not cover needs arising in the
|Start Date||1 May, 2012
|End date||1 January, 2014
|Confidentiality||Proceedings are public|
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|Usual Meeting Schedule||Teleconferences: weekly, plus possible task force
Face-to-face: Participants should plan on 2 face-to-face meetings per year, but the chairs have authority to call or cancel meetings as needed to help the group reach its goals. These meetings will use teleconferencing facilities, but effective participation generally requires attending in person, so participants should budget for travel.
Semantic Web standards like RDF(S), SKOS, OWL, or SPARQL, provide a family of technologies that is used for many different applications, from possibly large-scale data and/or software integration to intelligent systems deployed on the server-side of Web-related applications. The variety of applications, and the large palette of requirements resulting thereof, means that the full Semantic Web Recommendation stack has a significant complexity, which is not always easy to understand and deploy. It is therefore necessary to look at this stack with a particular application area in mind, and possibly carve out subsets, “profiles” that are suitable for that specific development.
One major application and deployment area that has come to the fore in the past
few years is Linked Data.
A large numbers of datasets
have been published in the form of Linked Open Data, covering such different
fields as medical, governmental, or academic publication data. Similarly, Linked
Data have appeared in the enterprise, possibly behind corporate firewalls, but
following the same technical principles. Applications began to appear, and
experiences begin to accumulate on the deployment and the usage of such an
infrastructure. Linked (Open) Data have indeed some special features that
influence how this data is deployed and used. Some of these are:
The goal of this Working Group is to provide a standard platform for the development of interoperable Linked Data applications. This goal is achieved by two different means:
Linked Data Profiles mean to reuse parts the of existing Semantic Web standards that are particularly useful for Linked Data applications. These profiles do not add any new features to existing Recommendations; rather they define restrictions of usage, subset of features, etc., that applications referring to those profiles should abide to. Examples of such restrictions may be:
Note that these are only examples for some of the features that the Working Group may consider for Linked Data Profiles; the final list will be drawn up by the group.
Linked Data Profiles may also include advice on the usage of various public vocabularies (or subset thereof) to be used for Linked Data application. In view of the dynamic nature of vocabulary development, those advices would not be normative.
Note that this charter refers to Linked Data Profiles in plural; it is up to the
Working Group whether one or several profiles will be defined.
The Working Group will identify the details of these and possible other technical requirements and will publish W3C Recommendations to cover those.
Related to these items, the Working Group may also publish Working Group Notes.
For example, a test suite for Linked Data server conformance checking. This note may also include requirements for a Linked Data checker.
Several possible standards are out of scope for this group, such as those listed below:
In general, people participate in this group as representatives of W3C member organizations. At least one representative from each participating organization is expected to devote significant time to this effort (about one day per week, or more, depending on duties), to accept and complete appropriate action items on a timely basis, and to travel to face-to-face meetings, as scheduled by the chairs, in consultation with the group.
On a case-by-case basis, using the invited expert process, people may be allowed to participate as individuals, not representing an organization.
To be successful, the Working Group is expected to have between ten and thirty active participants for its duration.
Participants are reminded of the Good Standing requirements of the W3C Process.
This group primarily conducts its work on the mailing list NAME-TO-BE-DEFINED@w3.org (public archives link to be added). The mailing list NAME-TO-BE-DEFINED@w3.org (W3C member-access-only archives link to be added) may be used for administrative purposes, such as travel planning.
Information about the group (deliverables, participants, face-to-face meetings, teleconferences, etc.) will be available from the group's home page.
As explained in the Process Document (section 3.3), this group will seek to make decisions when there is consensus. When the Chair puts a question and observes dissent, after due consideration of different opinions, the Chair should record a decision (possibly after a formal vote) and any objections, and move on.
This Working Group operates under the W3C Patent Policy (5 February 2004 Version). To promote the widest adoption of Web standards, W3C seeks to issue Recommendations that can be implemented, according to this policy, on a Royalty-Free basis.
For more information about disclosure obligations for this group, please see the W3C Patent Policy Implementation.
This charter for the Linked Data Platform Working Group has been created according to section 6.2 of the Process Document. In the event of a conflict between this document or the provisions of any charter and the W3C Process, the W3C Process shall take precedence.
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