SNAP and SPAN: Towards dynamic spatial ontology

Spatial Cognition and Computation 4 (1):69–103 (2004)
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We propose a modular ontology of the dynamic features of reality. This amounts, on the one hand, to a purely spatial ontology supporting snapshot views of the world at successive instants of time and, on the other hand, to a purely spatiotemporal ontology of change and process. We argue that dynamic spatial ontology must combine these two distinct types of inventory of the entities and relationships in reality, and we provide characterizations of spatiotemporal reasoning in the light of the interconnections between them.

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Barry Smith
University at Buffalo


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