OpenLink Virtuoso (Open-Source Edition): New Release: v5.0.11

Virtuoso is a scalable cross-platform server that combines SQL/RDF/XML Data Management with Web Application Server and Web Services Platform functionality.

OpenLink Software is pleased to announce a new release of Virtuoso,
Open-Source Edition, version 5.0.11.

This version includes:

* Database engine
- Added x.509 Certificate Generation & Management functions
- Improvements to session-handling (strses) to avoid temp-files and
improve threading support
- Added initial support for gzipped stream session
- Added support for HTTP, socks4 and socks5 proxying with
authentication options
- Added support for URIQA methods in http_client()
- Added support for gunzip in http_client
- Various fixes for FT optimization, fractions in datetime,
checkpoint-rollback and the compile/build process.

- Added compiler extensions for SPARQL graph-level security
- Added initial implementation of RDF graph-level security metadata
- Added initial infrastructure for new SPARQL result serialization
- Added support for SSG_VALMODE_SHORT_OR_LONG
- Added support for define sparql-get:proxy for RDF mappers
- Enhanced N3 syntax support
- Added support for XML literals in RDF/XML, SPARQL XML resultset and
JSON outputs
- Enhanced speed of TTL output
- Fixed SPARQL/SPARUL security
- VoiD graph generation for describing Quad Store

* Sponger Cartridges Related
- Added U.S. Congress Web service
- Added Tag Lookup Meta Cartridge
- Added GoodRelations and Barters for eCommerce Services
- Added NYT Articles Lookup Meta Cartridge
- Added OpenStreetMap Cartridge
- Added O'Reilly Books Catalog Lookup Meta Cartridge
- Added PowerPoint (PPTX) Cartridge
- Added SCOT based Tag Cloud
- Added Technocrati Lookup Meta Cartridge
- Misc. fixes
- Fixed GPF in rare case when using NOT FROM / NOT FROM NAMED
- Fixed handling of class instance array
- Fixed i18N issues with freetext search in RDF
- Fixed i18N serialization of RDF/XML box
- Fixed incorrect result when Accept is set to "text/rdf-n3"
- Fixed passing retvals of variables from OPTION(), like ?SCORE ?x,
from deeply nested subselects

* ODS Applications
- Added FOAF+SSL and FOAF+SSL+OpenID
- Added Bibliographical ontology usage in ODS Graph
- Added Calendar API and upstream commands
- Added "One-Click" X.509 Certificate, Private Key generation plus
Browser import, and write to FOAF profile
- Added Messaging Services
- Added Relationships Ontology terms to ODS-AddressBook for qualifying
relationships in Social Network
- Added Biographical Ontology terms added to Profile Page UI
- Added Support for MS Live Contacts API
- Additional Ubiquity commands for relationship qualification in Social
Network data spaces
- Added Support for Portable contacts api
- Fixed OpenID registration/auth in FOAF+SSL+OpenID implementation

For more details, see the release notes:

Other links:

Virtuoso Open Source Edition:
* Home Page:
* Download Page:

OpenLink Data Spaces:
* Home Page:
* SPARQL Usage Examples (re. SIOC, FOAF, AtomOWL, SKOS):

OpenLink AJAX Toolkit (OAT):
* Project Page:
* Live Demonstration:
* Interactive SPARQL Demo:

OpenLink Data Explorer (Firefox extension for RDF browsing):
* Home Page:

Posted by Tim Haynes 2009-04-23

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