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Virtuoso Open-Source Edition

What's New

2012-03-22: Github

Virtuoso Open-Source development has moved to hosting at GitHub. Developers who want to actively track progress of the Virtuoso source code and contribute bug fixes or enhancements to the project are cordially invited to join us there. To check out a local copy of Virtuoso, please see our Git usage instructions, branching/tagging strategy, and Git quickstart tips.

2012-03-16: New VOS 6.1.5 Release

Virtuoso 6.1.5 includes improved support for SPARQL 1.1; improved result set handling of DESCRIBE/CONSTRUCT over ODBC/JDBC/ADO.NET connections; a VAD package for DBpedia; co-reference resolution in the Sponger and new Cartridges for LinkedIn, AngelList, Klout, New York Times articles, StackOverflow; support for WebID 1.0, CalDAV, and CardDAV in ODS applications; minor build fixes.

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2011-11-01: New VOS 6.1.4 Release

Virtuoso 6.1.4 includes Database Engine and SPARQL optimizations and enhancements; HTTP enhancements such as SPARQL 1.1 Graph Store and SPARQL CRUD; and new Sponger cartridges for Eventbrite, Eventful, Foursquare, Google+, Google Place, Google Product, Google Profile, Gowalla, Guardian, Hyperpublic, Jigsaw, LinkedIn, Plancast, ProgrammableWeb, Seatgeek, Seevl, SimpleGeo, Upcoming, XRD, Zappos, and Zoopla, as well as fixes to existing cartridges. Fixes include deadlock handling, memory handling and leaks, and SPARQL and SPARUL fixes. The Jena and Sesame2 drivers have also been updated.

Previous announcements

Older news may be found here.

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