XML Query Working Group Publishes Five Working Drafts

The W3C XML Query Working Group has released the first public Working Draft of XQuery: A Query Language for XML. The XQuery language is designed to be broadly applicable across all types of XML data sources from documents to databases and object repositories. Today's related publications are:

• XML Query Data Model, the foundation of the XML Query Algebra;
• XML Query Algebra, taken with the data model, a formal basis for the XQuery language;
• XML Query Use Cases, specifying usage scenarios;
• and XML Query Requirements specifying goals, requirements, and usage scenarios for the data model, algebra, and XQuery language.