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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Geospatial Semantics: Why, of What, and How?
verfasst von : Werner Kuhn
Erschienen in: Journal on Data Semantics III
Verlag: Springer Berlin Heidelberg
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Why are notions like semantics and ontologies suddenly getting so much attention, within and outside geospatial information communities? The main reason lies in the componentization of Geographic Information Systems (GIS) into services, which are supposed to interoperate within and across these communities. Consequently, I look at geospatial semantics in the context of semantic interoperability. The paper clarifies the relevant notion of semantics and shows what parts of geospatial information need to receive semantic specifications in order to achieve interoperability. No attempt at a survey of approaches to provide semantics is made, but a framework for solving interoperability problems is proposed in the form of semantic reference systems. Particular emphasis is put on the need and possible ways to ground geospatial semantics in physical processes and measurements.