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  <title>Rasqal RDF Query Library - News</title>
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<h1 style="align:center">Rasqal RDF Query Library - News</h1>

<h2 id="D2006-10-30-V0.9.13">2006-10-30 Rasqal Version 0.9.13 Released</h2>

<p>Added a new <code>rasqal_query_results_formatter</code> class<br />
Query engine now implements SPARQL <code>GRAPH</code><br />
Added query features system to set parameters<br />
Many internal query engine changes (code reorganisation)<br />
Many bug fixes addressing Issues
<a href="http://bugs.librdf.org/mantis/view.php?id=80">#0000080</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=94">#0000094</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=95">#0000095</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=98">#0000098</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=100">#0000100</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=111">#0000111</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=113">#0000113</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=118">#0000118</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=129">#0000129</a>,
<a href="http://bugs.librdf.org/mantis/view.php?id=131">#0000131</a> and
<a href="http://bugs.librdf.org/mantis/view.php?id=131">#0000133</a>.
</p>

<p>See the <a href="RELEASE.html#rel0_9_13">0.9.13 Release Notes</a>
for the full details of the changes.</p>


<h2 id="D2006-04-30-V0.9.12">2006-04-30 Rasqal Version 0.9.12 Released</h2>

<p>Added JSON output based on the <a href="http://www.w3.org/2001/sw/DataAccess/json-sparql/">Serializing SPARQL Query Results in JSON</a> draft<br />
Added query writer so you can use rasqal to turn RDQL into SPARQL<br />
Updated to <a href="http://www.w3.org/TR/2006/CR-rdf-sparql-query-20060406/">SPARQL Query Language for RDF</a> W3C Candidate Rec, 6 April 2006 now accepting all SPARQL syntax<br />
Requires <a href="http://librdf.org/raptor/">raptor</a> 1.4.9 or newer.<br />
Win32 build fixes (John Barstow)<br />
Many internal code re-organisations<br />
</p>

<p>See the <a href="RELEASE.html#rel0_9_12">0.9.12 Release Notes</a>
for the full details of the changes.</p>


<h2 id="D2006-01-15-V0.9.11">2006-01-15 Rasqal Version 0.9.11 Released</h2>

<p>Updated to 
<a href="http://www.w3.org/TR/2005/WD-rdf-sparql-query-20051123/">SPARQL Query Language for RDF</a> W3C Working Draft, 23 November 2005 making several additions and changes to the syntax and functionality.<br />
Using ordering, distinct and limit with query results now works<br />
Created an enhanced API reference manual with <code>gtk-doc</code><br />
Requires <a href="http://librdf.org/raptor/">Raptor</a> 1.4.8<br />
Many updates to the literal and expression handling<br />
Major internal source code re-organisation<br />
Many other changes, fixes and improvements.
</p>

<p>See the <a href="RELEASE.html#rel0_9_11">0.9.11 Release Notes</a>
for the full details of the changes.</p>


<h2 id="D2005-06-09-V0.9.10">2005-06-09 Rasqal Version 0.9.10 Released</h2>

<p>The query engine now supports sorting query results
implementing SPARQL <code>ORDER BY</code>
(NOTE: duplicate query results are not yet removed)<br />
SPARQL query language support updated for some recent changes<br />
</p>

<p>See the <a href="RELEASE.html#rel0_9_10">0.9.10 Release Notes</a>
for the full details of the changes.</p>


<h2 id="D2005-05-19-V0.9.9">2005-05-19 Rasqal Version 0.9.9 Released</h2>

<p>Updated to <a href="http://www.w3.org/TR/2005/WD-rdf-sparql-query-20050419/">SPARQL Query Language for RDF</a>,
W3C Working Draft, 19 April 2005 making widespread changes the syntax.<br />
Query API extensively added to access more query structure<br />
Query engine updated including query results limit and offsets<br />
Updated to the revised <em>SPARQL Query Results XML Format</em> (not yet published)<br />
Many other bug fixes and improvements
</p>

<p>See the <a href="RELEASE.html#rel0_9_9">0.9.9 Release Notes</a>
for the full details of the changes.</p>


<h2 id="D2005-04-10-V0.9.8">2005-04-10 Rasqal 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 id="D2005-02-27-V0.9.7">2005-02-27 Rasqal 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 id="D2005-02-06-V0.9.6">2005-02-06 Rasqal 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 id="D2005-01-16-V0.9.5">2005-01-16 Rasqal 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 id="D2004-10-29-V0.9.4">2004-10-29 Rasqal 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 id="D2004-10-25-V0.9.3">2004-10-25 Rasqal 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 id="D2004-08-03-V0.9.2">2004-08-03 Rasqal 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 id="D2004-06-13-V0.9.1">2004-06-13 Rasqal 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 id="D2004-05-15-V0.9.0">2004-05-15 Rasqal Version 0.9.0 Released</h2>
<p>First public release.
</p>

<h2 id="D2003-08-12-V0.1.0">2003-08-12 Rasqal Version 0.1.0 Released</h2>
<p>Initial web site created.  Nothing actually released.
</p>


<hr />

<p>Copyright (C) 2003-2006 <a href="http://purl.org/net/dajobe/">Dave Beckett</a><br />Copyright (C) 2003-2005 <a href="http://www.bristol.ac.uk/">University of Bristol</a></p>

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