Geographic Information System. A computer-based information system designed to handle georeferenced data which has also the capability to efficiently capture, store, update, manipulate, analyze, display and output a full range of geographical data. Output can be in many forms: either as tables, graphics, or maps.
Geographic Information System. A highway network (spatial data which geographically represents the geometry of the highways, an electronic map) and its geographically referenced component attributes data that are integrated through GIS technology to perform analysis.