Tom Gruber (2008), Ontology. Entry in the Encyclopedia of Database Systems, Ling Liu and M. Tamer Özsu (Eds.), Springer-Verlag, 2009.
Provides a definition of ontology as a technical term for computer science, tracing its historical context from philosophy and AI. Definitional article in the encyclopedia of database systems on ontology. Update of 1993 ontology definition
For a recent citation, see: Gruber T. (2016) Ontology. In: Liu L., Özsu M. (eds) Encyclopedia of Database Systems. Springer, New York, NY.