Virtuoso Open-Source Edition

• Introduction and History

What's New

• Virtuoso 6.0.0 (20 October 2009: official v6.0.0 Virtuoso Release)
• Virtuoso 5.0.12 (19 October 2009: latest stable 5.x Virtuoso Release)
• Virtuoso 6.0-TP1 (24 April 2009: latest development Technology Preview)
• Virtuoso 5.0.11 (22 April 2009: latest stable release)

Downloading, Building and Using

• Download and CVS access
• Licensing Terms
• Before you start
• Build Overview
• Getting Started:
  • Database: Conductor
  • Utilities that come with Virtuoso
  • Tutorials
  • Windows-specific guide
• Mailing lists

How Do I...

• Install Virtuoso?
• Install Commercial Virtuoso Client & Server Components?
• Insert RDF Data into Virtuoso?
• Perform Bulk Loading of RDF Source Files into one or more Graph IRIs?
• Use the Virtuoso Faceted Search & Find Engine?
• Map Relational DBMS Data to RDF using Virtuoso?
• Deploy Linked Data using Virtuoso?
• Learn about the Virtuoso RDFization Middleware called the "Sponger"?
• Develop Virtuoso Hosted Applications using PHP?
• Learn About Virtuoso's SPARQL Query Language Support, By Example?
• Secure My SPARQL Endpoint using FOAF+SSL?
• Set FOAF+SSL ACLs using the Virtuoso Authentication Server UI?
• Manage RDF Graphs security levels?
• Administer a Virtuoso instance via my Browser?
• Obtain and Install the Virtuoso EC2 AMI?
• Access Virtuoso's Quad Store via RDF Frameworks such as: Jena, Sesame, or Redland?
• Attach ODBC or JDBC accessible Data Sources to the Virtuoso Virtual Database Engine?
• Learn about Virtuoso functionality via Tutorials?
• Learn about the Virtuoso SPARQL-BI extensions and TPC-H As Linked Data?
• Customize the SPARQL Endpoint Page?
• Connect to a Virtuoso instance via ODBC, JDBC, ADO.NET, OLE-DB, and XMLA clients?
• Use the Visual iSPARQL Query Builder against a Virtuoso Instance?
• Use OAuth for authentication, SPARQL queries, ubiquity commands?
• Use ADO.NET 3.5 & Entity Frameworks with Virtuoso?
• Use ADO.NET Data Object Services with Virtuoso?
• Sync data from Amazon S3 to Virtuoso and back?
• Deploy phpBB3 using Virtuoso?
• Deploy Drupal using Virtuoso?
• Deploy WordPress using Virtuoso?
• Deploy MediaWiki using Virtuoso?
• Manage Resources Versions?

Functionality Realms

• Object-Relational Database for SQL, XML, RDF, and Free Text that includes Java and .NET runtime hosting
• RDF store and SPARQL
• WebDAV Server
• Web Services Platform for SOA
• Web Application Server for Drupal, WordPress, MediaWiki, and phpBB

Applications Built using Virtuoso

• OpenLink Data Spaces

Client Connectivity Tools

• Visual iSPARQL Query Builder

Extensions

Language Runtime Hosting

• Java
• Mono
• PHP

Plugins

• ImageMagick

Utility Web Services

• Faceted Browsing ( Virtuoso 6.0 only)

Additional Information

• Technical White Papers and Articles
• Presentations

Recent News

2009-10-20: New 6.0.0 Release

This release includes a Faceted Data-Exploration Engine, DBMS-hosted Public-Key Infrastructure for FOAF+SSL-based federated Identity; support for `ANY ORDER' and anytime queries; key compression; transitive subqueries in SQL, SPARQL and SPASQL; an enhanced Sponger middleware layer.

2009-10-19: New 5.0.12 Release

This release includes PKI support in the Conductor, failover/round-robin support in all clients, a refactored JDBC driver, SPARQL graph-level security, a new RDFa parser, optimizations to the SPARQL engine, new Sponger Cartridges for OpenOffice?, Google apps and Picasa, Yelp, Tesco, GoodRelations?, Geonames, Alchemy, amongst others; in the ODS application suite there is support for expirations and conversations, the hCard microformat. There are fixes for XA support, memory leaks, RDF View generation, OpenID, atom-publishing upstreaming of attachments, and other minor bugs.

2009-09-30: New Article

OpenLink Software have released an overview article on RDFa in ODS-Wiki?, documenting ways to include RDFa markup in ODS Wiki sites.

2009-04-24: Release v6.0-TP1

OpenLink Virtuoso Open Source Edition v6.0 Technology Preview 1 introduces a new branch for Virtuoso development incorporating: ANY ORDER queries, Anytime queries, client-level resource accounting, expressions in the "IN" predicate, a Facet Browsing Engine, Inverse Functional Property Value enhanced Identity, Key compression and Transitive subqueries in both SQL and SPARQL.