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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Rasqal RDF Query Library - News</title>
</head>
<body>
<h1 style="align:center">Rasqal RDF Query Library - News</h1>
<h2>2005-04-10 Version 0.9.8 Released</h2>
<p>
Updated to <a href="http://www.w3.org/TR/2005/WD-rdf-sparql-query-20050217/">SPARQL Query Language for RDF</a> W3C Working Draft of 17 February 2005<br />
Added casting to the engine and in SPARQL<br />
Restructured query engine to be based on a tree of graph patterns<br />
Constraints now work per-graph pattern<br />
Added a Data Graph API<br />
Query engine uses and binds graph names in queries (SPARQL <code>LOAD</code>, <code>FROM</code> and <code>GRAPH</code>)<br />
Expanded the Graph Pattern API
</p>
<p>See the <a href="RELEASE.html#rel0_9_8">0.9.8 Release Notes</a>
for the full details of the changes.</p>
<h2>2005-02-27 Version 0.9.7 Released</h2>
<p>Fix a resource cleanup problem when query results were not fully read<br />
Fixed some crashes in expression evaluation with invalid types<br />
Added a graph pattern API to provide full access to the query structures<br />
Added query methods to return just bound or all variables<br />
Some updates for syntax changes of
<a href="http://www.w3.org/TR/2005/WD-rdf-sparql-query-20050217/">SPARQL Query Language for RDF</a> W3C Working Draft of 17 February 2005<br />
Portability fixes for win32 (Dave Viner)
</p>
<p>See the <a href="RELEASE.html#rel0_9_7">0.9.7 Release Notes</a>
for the full details of the changes.</p>
<h2>2005-02-06 Version 0.9.6 Released</h2>
<p>Added support and API calls for new query result forms graph and boolean<br />
Added SPARQL <code>CONSTRUCT</code>, <code>ASK</code> result forms<br />
Added 7 new SPARQL built-in functions<br />
Allow UTF-8 and Unicode in prefixes and QNames in queries<br />
Several other changes and bug fixes.
</p>
<p>See the <a href="RELEASE.html#rel0_9_6">0.9.6 Release Notes</a>
for the full details of the changes.</p>
<h2>2005-01-16 Version 0.9.5 Released</h2>
<p>
Query engine refactored to execute over graph patterns<br />
Added support for SPARQL optionals<br />
Added formatting of query results according to the
<a href="http://www.w3.org/TR/2004/WD-rdf-sparql-XMLres-20041221/">SPARQL Variable Binding Results XML Format</a>, W3C Working Draft, 21 December 2004<br />
Updated SPARQL to handle syntax changes<br />
Many other improvements and fixes
</p>
<p>See the <a href="RELEASE.html#rel0_9_5">0.9.5 Release Notes</a>
for the full details of the changes.</p>
<h2>2004-10-29 Version 0.9.4 Released</h2>
<p>
Fixed several crashes during query execution<br />
Fixed some memory leaks when a query failed<br />
Pass on internal raptor errors to rasqal users.
</p>
<p>See the <a href="RELEASE.html#rel0_9_4">0.9.4 Release Notes</a>
for the full details of the changes.</p>
<h2>2004-10-25 Version 0.9.3 Released</h2>
<p>
License changed to LGPL 2.1/Apache 2<br />
Added initial support for the
W3C <a href="http://www.w3.org/TR/2004/WD-rdf-sparql-query-20041012/">
SPARQL Query Language for RDF</a>, 2004-10-12 working draft<br />
Queries can now be executed multiple times<br />
Portability fixes for building on win32 (Chris Pointon)<br />
Various <code>roqet</code> utility improvements<br />
</p>
<p>See the <a href="RELEASE.html#rel0_9_3">0.9.3 Release Notes</a>
for the full details of the changes.</p>
<h2>2004-08-03 Version 0.9.2 Released</h2>
<p>Fix casts for C++<br />
Add win32 skeleton header file<br />
Fix a memory leak when using redland inside rasqal
</p>
<p>See the <a href="RELEASE.html#rel0_9_2">0.9.2 Release Notes</a>
for the full details of the changes.</p>
<h2>2004-06-13 Version 0.9.1 Released</h2>
<p>Added a query results class separate from the query class and moved
all the results methods to the new class.<br />
Made portability fixes for the generated RDQL lexer files<br />
</p>
<p>See the <a href="RELEASE.html#rel0_9_1">0.9.1 Release Notes</a>
for the full details of the changes.</p>
<h2>2004-05-15 Version 0.9.0 Released</h2>
<p>First public release.
</p>
<h2>2003-08-12 Version 0.1.0 Released</h2>
<p>Initial web site created. Nothing actually released.
</p>
<hr />
<p>Copyright 2003-2005 <a href="http://purl.org/net/dajobe/">Dave Beckett</a>, <a href="http://www.ilrt.bristol.ac.uk/">Institute for Learning and Research Technology</a>, <a href="http://www.bristol.ac.uk/">University of Bristol</a></p>
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