Experience
Education
Bio
Research Analyst, Laboratory for Computer Graphics and Spatial Analysis, Harvard, 1972-1975; Research Associate, Department of Geography, Simon Fraser University, 1975-1978; Research Scientist, Artificial Intelligence Laboratory, M.I.T., 1985-1988; Assistant Professor, University of British Columbia, (1988); Associate Professor, University of British Columbia (1993); Associate Director, CICSR (1998-1999), Professor, University of British Columbia(2001).