http://www.openlinksw.com/weblog/oerling/
Orri Erling's Weblog
oerling@openlinksw.com
oerling@openlinksw.com
2009-11-23T13:09:51Z
Virtuoso Universal Server 05.12.3041
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Announcing Virtuoso Open-Source Edition v5.0.0
http://www.openlinksw.com/weblog/oerling/?date=2007-04-12#1183
2007-04-12T10:30:29Z
2007-04-12T06:30:30-04:00
<span style="font-family:sans-serif;">All, OpenLink Software are pleased to announce a new release of </span> <span style="font-family:sans-serif;"><a href="http://virtuoso.openlinksw.com/wiki/main/">Virtuoso</a> </span><span style="font-family:sans-serif;">, Open-Source Edition, version 5.0.0. This version includes: </span> <ul> <li> <span style="font-family:sans-serif;">Significant rewrite of database engine resulting in 50%-100% improvement on single CPU and in some cases up to 300% on multiprocessor CPUs by decreasing resource-contention between threads and other optimizations.</span> </li> <li> <span style="font-family:sans-serif;">Radical expansion of RDF support including</span> </li> </ul> <ul> <li> <span style="font-family:sans-serif;"> In-built middleware (called the Sponger) for transforming non-RDF into RDF "on the fly" (e.g. producing Triples from Microformats, REST-style Web Services, and (X)HTML etc.)</span> </li> <li> <span style="font-family:sans-serif;">Full Text Indexing of Literal Objects in Triple Patterns (via Filter or magic bif:contains predicate applied to Literal Objects)</span> </li> <li> <span style="font-family:sans-serif;">Basic Inferencing (Subclass and Subproperty Support)</span> </li> <li> <span style="font-family:sans-serif;">SPARQL Aggregate Functions</span> </li> <li> <span style="font-family:sans-serif;">SPARQL Update Language Support (Updates, Inserts, Deletions in SPARQL)</span> </li> <li> <span style="font-family:sans-serif;">Improved Support of XML Schema Type System (including the use of XML Schema Complex Types as Objects of bif:xcontains predicate)</span> </li> <li> <span style="font-family:sans-serif;">Enhancements to the in-built SPARQL to SQL Compiler's Cost Optimizer</span> </li> <li> <span style="font-family:sans-serif;">Performance Optimizations to RDF VIEWs (SQL to RDF Mapping)</span> </li> </ul> <ul style="font-family:sans-serif;"> <li>Various bug-fixes</li> </ul> <span style="font-family:sans-serif;"> NOTE: Databases created with earlier versions of Virtuoso will be automatically upgraded to Virtuoso 5.0 but after upgrade will not be readable with older Virtuoso versions. For more information please see: </span><span style="font-family:sans-serif;color:#999999;">Virtuoso Open Source Edition: </span> <ul> <li> <span style="font-family:sans-serif;">Home Page</span><span style="font-family:sans-serif;">: </span> <span style="font-family:sans-serif;"><a href="http://virtuoso.openlinksw.com/wiki/main/">http://virtuoso.openlinksw.com/wiki/main/</a> </span> </li> <li> <span style="font-family:sans-serif;">Download Pa</span><span style="font-family:sans-serif;">ge: </span> <span style="font-family:sans-serif;"><a href="http://virtuoso.openlinksw.com/wiki/main/Main/VOSDownload">http://virtuoso.openlinksw.com/wiki/main/Main/VOSDownload</a> </span> </li> </ul> <span style="font-family:sans-serif;"> </span><span style="font-family:sans-serif;color:#999999;">OpenLink Data Spaces: </span> <ul> <li> <span style="font-family:sans-serif;">Home Page: </span> <span style="font-family:sans-serif;"><a href="http://virtuoso.openlinksw.com/wiki/main/Main/OdsIndex">http://virtuoso.openlinksw.com/wiki/main/Main/OdsIndex</a> </span> </li> <li> <span style="font-family:sans-serif;">SPARQL Usage Examples (re. SIOC, FOAF, AtomOWL, SKOS):</span> <span style="font-family:sans-serif;"><a href="http://virtuoso.openlinksw.com/wiki/main/Main/ODSSIOCRef">http://virtuoso.openlinksw.com/wiki/main/Main/ODSSIOCRef</a></span> </li> <li> <span style="font-family:sans-serif;">Interactive SPARQL Demo: </span> <span style="font-family:sans-serif;"><a href="http://demo.openlinksw.com/isparql/">http://demo.openlinksw.com/isparql/</a> </span> </li> </ul> <span style="font-family:sans-serif;"> </span><span style="font-family:sans-serif;color:#999999;">OpenLink AJAX Too lkit (OAT): </span> <ul> <li> <span style="font-family:sans-serif;">Project Page: </span> <span style="font-family:sans-serif;"><a href="http://sourceforge.net/projects/oat">http://sourceforge.net/projects/oat</a> </span> </li> <li> <span style="font-family:sans-serif;">Live Demonstration: </span> <span style="font-family:sans-serif;"><a href="http://demo.openlinksw.com/DAV/JS/oat/index.html">http://demo.openlinksw.com/DAV/JS/oat/index.html</a> </span><span style="font-family:sans-serif;"> </span> </li> </ul> <p style="text-align:right;font-size:10px;">Technorati Tags: <a href="http://www.technorati.com/tag/database" rel="tag">database</a>, <a href="http://www.technorati.com/tag/databases" rel="tag">databases</a>, <a href="http://www.technorati.com/tag/open-source" rel="tag">open-source</a>, <a href="http://www.technorati.com/tag/OpenLink" rel="tag">OpenLink</a>, <a href="http://www.technorati.com/tag/SPARQL" rel="tag">SPARQL</a>, <a href="http://www.technorati.com/tag/RDBMS" rel="tag">RDBMS</a>, <a href="http://www.technorati.com/tag/RDF" rel="tag">RDF</a>, <a href="http://www.technorati.com/tag/semantic web" rel="tag">semantic web</a>, <a href="http://www.technorati.com/tag/Semantic Web" rel="tag">Semantic Web</a>, <a href="http://www.technorati.com/tag/virtuoso" rel="tag">virtuoso</a> </p>