(July 9 - 13, 2001) Held annually in San Diego, California, this is the biggest GIS conference with over 9,000 people in attendance last year. http://www.esri.com/events/uc/index.html
(4-6 February, 2001) This 4th annual conference covers all aspects of GIS including remote sensing, GPS and aerial photography. http://www.mapindia.org/
Event that formalizes the practice of GIS users and vendors of opening their doors to schools, businesses, and the general public to showcase real-world applications. http://www.gisday.com/
Event focusing on landscape characterization. Include list of exhibits, planning committee, presentation and conference schedule. http://cgis.towson.edu/lulc04/default.htm
The Center for Geographic Information Sciences at Towson University in Baltimore, Maryland. Mapping the Human Landscape: GIS for Public Health, Safety, and Social Services Applications. http://cgis.towson.edu/tugis2005/
International conference on Geospatial Semantics. Forum for the exchange of research results related to the facets of modeling and processing geospatial semantics. Conference proceedings will be published as a volume in Springer's LNCS series. http://www.geosco.org