Andres Gomez de Silva Garza is a Ph.D. student in the Department of Architectural and Design Science at the University of Sydney. He received a B.Sc. in Computer Engineering from the National Autonomous University of Mexico in 1991, and an M.Sc. in Computer Science from the Georgia Institute of Technology in 1993. His research interests include Case-Based Reasoning, Genetic Algorithms, and Design Science. He is a member of the American Association for Artificial Intelligence. He can be contacted at: Department of Architectural and Design Science, University of Sydney, NSW 2006, Australia. Telephone: (+61-2) 351-2053. FAX: (+61-2) 351-3031. Internet: andres@arch.su.edu.au.