Action Category Meta-Model

This is an rdf schema for defining an ActionCategory. It defines the concept ActionCategory as an rdfs:Class. It defines for this concept three properties: (1) ac:hasPart which is an rdf:Property (2) ac:hasOptionalPart which is an rdf:Property, both of them are used to create meronymy relations between ActionCategories and (3) ac:hasLevel which is an owl:DatatypeProperty that indicates the level of the current action category in the hierarchy built using the two previous properties.