“[The goal of the LOT (lattice of theories) is to create a framework] which can support an open-ended number of theories (potentially infinite) organized in a lattice together with systematic metalevel techniques for moving from one to another, for testing their adequacy for any given problem, and for mixing, matching, combining, and transforming them to whatever form is appropriate for whatever problem anyone is trying to solve.”

—  John F. Sowa

Cited in: Roberto Poli, Michael Healy, Achilles Kameas (2010) Theory and Applications of Ontology: Computer Applications . p. 533
Knowledge representation, 2000

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John F. Sowa 9
artificial intelligence researcher 1940

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