10.1184/R1/6607118.v1 David M. McKeown David M. McKeown MAPS : the organization of a spatial database system using imagery, terrain, and map data Carnegie Mellon University 1989 MAPS (Computer system) Cartography Data processing. Image processing. 1989-01-01 00:00:00 Journal contribution https://kilthub.cmu.edu/articles/journal_contribution/MAPS_the_organization_of_a_spatial_database_system_using_imagery_terrain_and_map_data/6607118 Computer Science Department