updated 05:45 pm EDT, Tue June 5, 2007
Virtuoso Universal Server
OpenLink Software today released Virtuoso Universal Server 5.0.1, the latest release of its Universal Server Platform. The update features high-performance SPARQL-compliant RDF quad store, full text indexing extension to SPARQL, SPARQL update language (SPARUL) support, and aggregate function extensions to SPARQL. Virtuoso Universal Server 5.0.1 also offers integration of SPARQL and SQL, as well as built-in middleware for dynamically producing RDF data from non-RDF data sources (pricing and system requirements were unavailable).