Biographical sketches of authors

Michelle X. Zhou   IBM Research Division, Thomas J. Watson Research Center, P.O. Box 704, Yorktown Heights, New York 10598 (electronic mail: mzhou@us.ibm.com). Dr. Zhou is a research staff member at the T. J. Watson Research Center and currently manages the department of intelligent multimedia interaction. She received a Ph.D. degree in computer science from Columbia University. Her research interests include three-dimensional (3D) graphical user interfaces, information visualization, intelligent multimodal and multimedia interfaces, and automated authoring of animated 3D graphical and multimedia presentations.

Sheng Ma   IBM Research Division, Thomas J. Watson Research Center, P.O. Box 704, Yorktown Heights, New York 10598 (electronic mail: shengma@us.ibm.com). Dr. Ma received a B.S. degree in electrical engineering from Tsinghua University in 1992. He received M.S. and Ph.D. degrees in electrical engineering from Rensselaer Polytechnic Institute in 1995 and 1998, respectively. He joined the T. J. Watson Research Center as a research staff member in 1998, where he is now a manager of the Machine Learning for Systems department. His current research interests are machine learning, data mining, network and computer system management, and network traffic modeling and control.

Ying Feng   Department of Computer Science, Indiana University, Bloomington, Indiana 47405 (electronic mail: yingfeng@cs.indiana.edu). Ms. Feng is a Ph.D. candidate in the Department of Computer Science at Indiana University. She received her B.S. degree in 1994 in computer science and technology at Tsinghua University in Beijing, China, and her M.S. degree in 1999 from Indiana University. Her research interests include data analysis and visualization, intelligent graphical user interfaces, and the application of 3D graphics and artificial intelligence technology to information visualization. The research in this paper was performed while she was a summer researcher at the T. J. Watson Research Center. {/FOOT;4085f1;1}