=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]