Geographic Database Systems:
Issues and Research Needs
Max J. Egenhofer
National Center for Geographic Information and Analysis
and
Department of Spatial Information Science and Engineering
Department of Computer Science
University of Maine
Orono, ME 04469-5711
These course notes are from an invited tutorial given at
the Fifteenth ACM SIGACT-SIGMOD-SIGART
Symposium on Principles of Database Systems (PODS)
Montreal, Quebec, Canada
June 4, 1996