Clark & Parsia LLC is an innovative, full-service Semantic Web and AI firm in Washington, DC, with world-class strengths in OWL, ontological computing, formal reasoning, semantic web services, OWL-S, and related technologies available for licensing and OEM access, including open source and dual licensing strategies.About C&P Weblog Software & Services Papers Pellet: OWL 2 Reasoner for Java Pellet