Hector J. LevesqueHector J. Levesque is Professor Emeritus in the Department of Computer Science at the University of Toronto. He is the author of C ommon Sense, the Turing Test, and the Quest for Real AI, coauthor (with Gerhard Lakemeyer) of The Logic of Kowledge Bases, and coeditor (with Ronald J. Brachman) of Knowledge Representation and Reasoning, all three published by the MIT Press. Read More Read Less