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				<h1 id="firstHeading" class="firstHeading">Main Page</h1>
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			<a name="SPARQL_Working_Group_Wiki" id="SPARQL_Working_Group_Wiki"></a><h2> <span class="mw-headline"> SPARQL Working Group Wiki </span></h2>
<p>This is the wiki page for the <a href="http://www.w3.org/2001/sw/DataAccess/" class="external text" title="http://www.w3.org/2001/sw/DataAccess/" rel="nofollow">SPARQL Working Group</a> (<a href="http://www.w3.org/2009/05/sparql-phase-II-charter" class="external text" title="http://www.w3.org/2009/05/sparql-phase-II-charter" rel="nofollow">charter</a>). It is editable by members of the the working group. W3C members may <a href="http://www.w3.org/2004/01/pp-impl/35463/join" class="external text" title="http://www.w3.org/2004/01/pp-impl/35463/join" rel="nofollow">join the working group</a>. Others may appeal to a working group chair for <a href="http://www.w3.org/2004/08/invexp" class="external text" title="http://www.w3.org/2004/08/invexp" rel="nofollow">invited expert status</a>. See also <a href="http://www.w3.org/2001/sw/DataAccess/homepage-20080115" class="external text" title="http://www.w3.org/2001/sw/DataAccess/homepage-20080115" rel="nofollow">previous (Data Access) Working Group homepage</a>.
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<a name="Documents_published_by_the_group" id="Documents_published_by_the_group"></a><h2> <span class="mw-headline"> Documents published by the group </span></h2>
<p>These links refer to the latest published Working Draft versions only. You can follow the "previous version" link in the documents to find the earlier versions, or use the links in the side bar to find editor's drafts.
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<ul><li> <a href="http://www.w3.org/TR/2009/WD-sparql-features-20090702/" class="external text" title="http://www.w3.org/TR/2009/WD-sparql-features-20090702/" rel="nofollow">SPARQL New Features and Rationale</a> (2009-07-02)
</li><li> <a href="http://www.w3.org/TR/2011/WD-sparql11-query-20110512/" class="external text" title="http://www.w3.org/TR/2011/WD-sparql11-query-20110512/" rel="nofollow">SPARQL 1.1 Query</a> (2011-05-12)- <b>Last Call working draft!</b> Adds support for aggregates, subqueries, projected expressions, and negation to the SPARQL query language.
</li><li> <a href="http://www.w3.org/TR/2011/WD-sparql11-update-20110512/" class="external text" title="http://www.w3.org/TR/2011/WD-sparql11-update-20110512/" rel="nofollow">SPARQL 1.1 Update</a> (2011-05-12) - <b>Last Call working draft!</b> Defines an update language for RDF graphs.
</li><li> <a href="http://www.w3.org/TR/2010/WD-sparql11-protocol-20100126/" class="external text" title="http://www.w3.org/TR/2010/WD-sparql11-protocol-20100126/" rel="nofollow">SPARQL 1.1 Protocol</a> (2010-01-26) - Defines an abstract interface and HTTP bindings for a protocol to issue SPARQL Query and SPARQL Update statements against a SPARQL endpoint.
</li><li> <a href="http://www.w3.org/TR/2011/WD-sparql11-service-description-20110512/" class="external text" title="http://www.w3.org/TR/2011/WD-sparql11-service-description-20110512/" rel="nofollow">SPARQL 1.1 Service Description</a> (2011-05-12) - <b>Last Call working draft!</b> Defines a vocabulary and discovery mechanism for describing the capabilities of a SPARQL endpoint.
</li><li> <a href="http://www.w3.org/TR/2011/WD-sparql11-http-rdf-update-20110512/" class="external text" title="http://www.w3.org/TR/2011/WD-sparql11-http-rdf-update-20110512/" rel="nofollow">SPARQL 1.1 Graph Store HTTP Protocol</a> (2011-05-12) - <b>Last Call working draft!</b> Describes the use of the HTTP protocol for managing named RDF graphs on an HTTP server.
</li><li> <a href="http://www.w3.org/TR/2011/WD-sparql11-entailment-20110512/" class="external text" title="http://www.w3.org/TR/2011/WD-sparql11-entailment-20110512/" rel="nofollow">SPARQL 1.1 Entailment Regimes</a> (2011-05-12) - <b>Last Call working draft!</b> Defines conditions under which SPARQL queries can be used with entailment regimes such as RDF, RDF Schema, OWL, or RIF.
</li><li> <a href="http://www.w3.org/TR/2010/WD-sparql11-federated-query-20100601/" class="external text" title="http://www.w3.org/TR/2010/WD-sparql11-federated-query-20100601/" rel="nofollow">SPARQL 1.1 Federation Extensions</a> (2011-11-17)- <b>Last Call working draft!</b> Defines the syntax and semantics of a SPARQL 1.1 Query extension for executing distributed queries over different endpoints.
</li><li> <a href="http://www.w3.org/TR/2011/WD-sparql11-results-json-20110913/" class="external text" title="http://www.w3.org/TR/2011/WD-sparql11-results-json-20110913/" rel="nofollow">SPARQL 1.1 Query Results JSON Format</a> (2011-09-13)- describes the representation of SELECT and ASK query results using JSON.
</li><li> <a href="http://www.w3.org/TR/2011/WD-sparql11-results-csv-tsv-20110913/" class="external text" title="http://www.w3.org/TR/2011/WD-sparql11-results-csv-tsv-20110913/" rel="nofollow">SPARQL 1.1 Query Results CSV and TSV Formats</a> (2011-09-13)- describes the representation of SELECT query results using CSV and TSV.
</li><li> (<a href="http://www.w3.org/TR/2010/WD-sparql11-property-paths-20100126/" class="external text" title="http://www.w3.org/TR/2010/WD-sparql11-property-paths-20100126/" rel="nofollow">SPARQL 1.1 Property Paths</a> (2010-01-26) - Defines  a more succinct way to write parts of basic graph patterns and also extend matching of triple pattern to arbitrary length paths. - This has been integrated in <a href="http://www.w3.org/TR/2010/WD-sparql11-query-20101014/" class="external text" title="http://www.w3.org/TR/2010/WD-sparql11-query-20101014/" rel="nofollow">SPARQL 1.1 Query</a> since the Oct. 2010 version)
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