Biographical sketches of authors

Richard Goodwin   IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 (electronic mail: rgoodwin@us.ibm.com). Dr. Goodwin received Ph.D. and M.S. degrees in computer science from Carnegie Mellon University in 1994 and 1996, respectively. He also holds a B.A.Sc. degree from the University of Waterloo, Ontario, Canada. Dr. Goodwin is currently manager of the intelligent e-marketplace research group at the Watson Research Center. For the past four years his work has focused on infrastructure for electronic commerce, including authentication and authorization. His research interests also include intelligent agents for planning, scheduling, and decision support.

SweeFen Goh   IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 (electronic mail: sweefen@us.ibm.com). Ms. Goh is a software engineer working in the e-commerce department at the Watson Research Center. She received her B.S. and M.S. degrees in computer science, with a minor in mathematics, from Kent State University, Ohio. Her current research interests are in the areas of mobile commerce and distributed authorization.

Frederick Y. Wu   IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 (electronic mail: fywu@us.ibm.com). Dr. Wu received the S.B. and Ph.D. degrees from MIT in 1973 and 1976, respectively. He is a research staff member in the Intelligent e-Marketplaces department at the Watson Research Center. For the past four years he has been active in the design and development of electronic commerce systems and technology components. Dr. Wu's recent experience includes the architecture and implementation of several large-scale marketplaces for IBM clients. His research interests are in the areas of access control systems and decision support tools for e-commerce participants.