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

Formal Language: 



Term 1: Term 2:

(subclass InlandWaterSystem WaterArea) Geography.kif 5341-5341
(subclass InlandWaterSystem Collection) Geography.kif 5342-5342


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