Term Intersection : Welcome guest : log in		 [  Home |  Graph |  ]  KB:  Language:   

Formal Language: 



Term 1: Term 2:

(subclass UndergroundArea GeographicArea) Geography.kif 3988-3988 UndergroundArea รจ una sottoclasse di AreaGeografica


Sigma web home      Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0 is open source software produced by Articulate Software and its partners