= OWL = == Ontology Web Language == * [http://en.wikipedia.org/wiki/Web_Ontology_Language] * [http://www.w3.org/TR/owl2-new-features/ OWL 2] * [http://www.w3.org/TR/owl-guide/ guide] = OWL use cases = == Reasoning == == Inferring Logic == == Constraint Validation == [http://clarkparsia.com/pellet/icv]