Language, ontology, or of L (OWL) language is an indication (markup) the direction of the publication and exchange of knowledge in the internet space. This language means the name of the ontology (ontology) used. Ontology, too, the name of the branch east from philosophy, and is a part of computer science that gained fast in the Genesis and spread.

OWL as a tool to model the knowledge related to a field of specific goes to work. All the knowledge available in that field. for a family of concepts dependent modeling are that among them the relationships of inclusion is established. In other words, the entire information shall for tree hierarchical model can be that whatever is in it, the lower you go, the concepts of more specialized IT areas we encountered.