• Our European Sales Partner, TenForce ·  Wednesday, December 23rd, 2009

    We’re happy to announce that we’ve formed a partnership with TenForce, our first European sales partner, who will market and sell Clark & Parsia software products,

  • PelletDb 1.0 ·  Tuesday, December 1st, 2009

    After an extended beta period, we’re happy to announce the release of PelletDb 1.0. It’s the first commercially available OWL 2 DL reasoner that combines Pellet 2.0 with

  • Pellet 2.0 Release ·  Monday, November 16th, 2009

    We’re happy to announce the release of Pellet 2.0, the first OWL 2 DL reasoner available commercially. Pellet 2.0 is available for use in open source projects under the AGPL v.3 license; for commercial usage,

  • C&P Awarded Grant From NIST ·  Tuesday, July 14th, 2009

    Clark & Parsia Awarded Grant From NIST

  • PelletDb Whitepaper ·  Tuesday, June 30th, 2009

    At Semantic Technology 2009 we formally announced PelletDb, our new product that integrates Pellet with Oracle’s Semantic Database system, including the Oracle RDF query engine and OWL reasoner. We’re excited

  • Pellet 2 Tutorial Available ·  Monday, June 29th, 2009

    Two weeks ago at Semantic Technology 2009 conference Evren and Mike presented a 4 hour tutorial about building OWL-based applications with Pellet 2…

  • 5 Talks at SemTech 2009 ·  Friday, May 8th, 2009

    We’re excited about SemTech 2009 in June for many reasons

  • OWL Integrity Constraints, SeRQL, and New SPARQL ·  Thursday, May 7th, 2009

    In an earlier post, Evren talks about our implementation of integrity constraints using SPARQL queries where we are turning the constraints

  • Integrity Constraints, Reasoning, and a Preview Release ·  Monday, March 30th, 2009

    In a previous post Evren introduced some of the work we’ve been doing lately to turn OWL into an expressive schema or data validation language. In other words, using OWL to specify and implement integrity constraints for RDF and other data…

  • Local Ontology Repositories with Pellet ·  Monday, March 16th, 2009

    It is relatively common for us to hear from customers that they want to use Pellet without it accessing the network. Sometimes they want to avoid network problems by caching locally; sometimes they’re

  • Commercial Support Plans ·  Monday, February 23rd, 2009

    Since most of our software is available under a dual-license scheme, it’s pretty easy to get up and running, do initial integrations or tests, and generally start coming to grips with it technically…

  • Integrity Constraints for OWL ·  Wednesday, February 11th, 2009

    We’ve previously talked about our NIST-funded work to support integrity constraints in OWL. We plan to release very soon a prototype integrity validator in Pellet that can interpret OWL ontologies with Closed World Assumption (CWA) to detect constraint violations…

  • What is Automated Planning? ·  Wednesday, February 4th, 2009

    Automated planning is a subdiscipline of artificial intelligence that aims at generating plans, or sequences of actions, that lead to some desired outcome…

  • Distributed Query: Pellet into the voiD ·  Wednesday, February 4th, 2009

    We’ve recently completed work on a prototype for distributed query answering across disconnected RDF data sources (or relational databases or web services)…

  • 2009 Internships ·  Thursday, January 15th, 2009

    We’re looking for a new batch of interns for our 2009 Semantic Summer program, which has been very successful for us in the past


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