Biographical sketch of author

John F. Sowa   (electronic mail: sowa@bestweb.net). Dr. Sowa retired from IBM in 1992 after thirty years of working on research and development projects. He is now the chief scientist at a start-up company, VivoMind LLC, which is developing software based on conceptual graphs. He has a B.S. degree in mathematics from MIT, an M.A. degree in applied mathematics from Harvard University, and a Ph.D. degree in computer science from the Vrije Universiteit Brussel. He is a Fellow of the American Association for Artificial Intelligence, and he has participated in ANSI and ISO standards projects for conceptual graphs, knowledge sharing, and ontology. He has published many books and papers on artificial intelligence, natural-language processing, and related topics.