Ontology-aided qualitative spatial relation description and reasoning mechanism
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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.