geographic information system(redirected from Geographical Information Service)
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Related to Geographical Information Service: Geographical information systems
geographic information system (GIS)
A computer mapping program in which land characteristics and/or demographic information may be revealed and printed as color-coded overlays.
The Complete Real Estate Encyclopedia by Denise L. Evans, JD & O. William Evans, JD. Copyright © 2007 by The McGraw-Hill Companies, Inc.