geographic information systems
type: Concept
narrower: spatial data models

spatial data models
type: Concept
definition: Spatial data models, or GIS data models, are the ways of representing spatial information in a geographic information system (GIS) database. Because the world is very complex, choices must be made on how to describe objects and phenomena for research and analysis. [Source: Encyclopedia of Geography; Spatial Data Models]
broader: geographic information systems

concepts
type: Collection
type: ConceptGroup
member: spatial data models