Nineteenth International Unicode Conference

XML Query

Paul Cotton - Microsoft Canada

Intended Audience:	Software Engineer
Session Level:	Intermediate

The World Wide Web Consortium (W3C) XML Query Working Group [1] was chartered in September 1999 to develop a query language for XML [2] documents. The goal of the XML Query Working Group is to produce a formal data model for XML documents with Namespaces [3] based on the XML Infoset [4] and XML Schemas [5-7], an algebra of query operators on that data model, and then a query language with a concrete canonical syntax based on the proposed operators.

The WG produced its first Requirements document [8] in January 2000. Subsequently it has published an XML Query Data Model Working Draft [9], an XML Query Algebra Working Draft [10] and a syntax for the XQuery language [11].

This talk will provide an update on the current status of the W3C XML Query WG. The talk will also outline the relationship of the work of the XML Query WG to other W3C XML standards especially XML Schema and XPath [12] and to the work of the W3C Internalization WG.

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22 Jun 2001, Webmaster