Ontology-aided qualitative spatial relation description and reasoning mechanism

This paper imported the ontology theory to study spatial relation for realizing the geographic information sharing and interoperability.It constructed the spatial relation description model according with the concept of geo-ontology.It established a spatial relation ontology instance base based on region,traffic and scenery data of Henan province.Self-defined and expressed spatial relation reasoning rules.Designed a qualitative spatial relation reasoning frame based on ontology and an did experiment for reasoning correspondingly combing with application instances.It validated effectively the feasibility of spatial relation reasoning mechanism.