XQuery 1.0 and XPath 2.0 Data Model (XDM) (Second Edition) - This document defines the W3C XQuery 1.0 and XPath 2.0 Data Model, which is the data model of at least XSLT and XQuery, and any other specifications that reference it. This data model is based on the data models of XPath and XML Query Data Model and replaces XML Query Data Model. (W3C Recommendation 14 December 2010) XQuery 1.0 and XPath 2.0 Functions and Operators (Second Edition) - (W3C Recommendation 14 December 2010) XQuery 1.0: An XML Query Language (Second Edition) - A versatile markup language, capable of labeling the information content of diverse data sources including structured and semi-structured documents, relational databases, and object repositories. (W3C Recommendation 14 December 2010 (Link errors corrected 3 January 2011)) XML Query Use Cases - This is the W3C Working Group Note of "XML Query (XQuery) Use Cases", produced by the W3C XML Query Working Group, part of the XML Activity. (W3C Working Group Note 23 March 2007) XML Syntax for XQuery 1.0 (XQueryX) (Second Edition) - This is a Recommendation of the W3C. It has been developed by the W3C XML Query Working Group, which is part of the XML Activity. (W3C Recommendation 14 December 2010) XSLT 2.0 and XQuery 1.0 Serialization (Second Edition) - This document was produced by groups operating under the 5 February 2004 W3C Patent Policy. (W3C Recommendation 14 December 2010) XQuery Update Facility 1.0 - XQuery Update Facility extends the XML Query language to make persistent changes to instances of the XQuery 1.0 and XPath 2.0 Data Model. (W3C Recommendation 17 March 2011)