The core infrastructure for storing and querying RDF is provided by this package, which is distributed as a core package with SWI-Prolog. ClioPatria provides a comprehensive server infrastructure on top of the semweb and http packages. ClioPatria provides a SPARQLÂ 1.1 endpoint, linked open data (LOD) support, user management, a web interface and an extension infrastructure for programming (semantic) web applications.
Thea provides access to OWL ontologies at the level of the abstract syntax. Can interact with external DL reasoner using DIG.