Press Releases

OpenLink Releases Virtuoso 6.1 (Open Source Edition)

Virtuoso 6.1 Enables Organizations to cost-effectively Develop, Integrate, and Deploy SOA and Event-Driven solutions

Burlington, MA – February 3, 2010 – OpenLink Software, Inc., technology leader in the development and deployment of secure, high-performance database connectivity middleware, today announced the availability of Virtuoso 6.1 (Open Source Edition), the company’s multi-model data server.

Designed for the emerging challenges such as Data Silo cost reduction and Web scale distributed data access, management, and integration, the product includes enhancement across the following functionality realms:

RDF-Graph Model Database engine

  • Full & Partial Index Combinations
  • Database Key Compression
  • Enhanced Backward Chaining Reasoner with support for: owl:inverseOf, owl:TransitiveProperty, and owl:SymmetricalProperty)
  • FOAF+SSL and FOAF+SSL+OpenID based Authentication
  • SPARQL 1.1 support (all Create, Read, Update, and Delete alongside Business Intelligence enhancements).

Relational Database Engine

  • Trantive Closure Functionality added to SQL
  • Full and Patrial Indexes
  • KeyCompression

Middleware Engine

  • Wizard based Generation of RDF based Linked Data Views over Relational Data Sources
  • Additional Sponger Cartridges for generating RDF based Linked Data from data spaces such as: Twitter, BestBuy, Amazon, eBay, Zillow, CNET, CrunchBase, Yelp!, Googlebase, and many others.

About OpenLink Software

OpenLink Software is a privately held software company with offices in the U.S.A., United Kingdom, Nigeria, and Bulgaria. It has been the leading provider and technology innovator in the universal data access middleware market since 1993, and over 10,000 companies currently use its products worldwide.


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Helen Heward-Mills,
OpenLink Software, Inc.
Tel: 781 273 0900