2008, Kavouras, M. and Kokla, M., "Semantic Integration of Heterogeneous Geospatial Information" Print
Cover of "Advances in Photogrammetry, Remote Sensing and Spatial Information Sciences"

 

Full tittle:

 

Kavouras, M. and Kokla, M., "Semantic Integration of Heterogeneous Geospatial Information", in Li, Ζ., Chen, J., and Baltsavias, E. (Eds.), "Advances in Photogrammetry, Remote Sensing and Spatial Information Sciences ISPRS Congress Book", CRC Press/Balkema, London, UK, ISBN 978-0-415-47805-2, 2008 

 

Abstract:

 

Semantic interoperability among heterogeneous geo-spatial sources is a key research issue for Geographic Information Science, as in various other domains. It requires the semantic integration of information created according to different conceptualizations of geographic reality and therefore entails the mapping between the underlying ontologies, thus leading to the notion of ontology integration. Despite the recent ontological advances in information science, there is great confusion in fundamental notions, such as ontologies and semantics, as well as the way these notions are involved in the integration process. This chapter presents a framework for the disambiguation of these issues and the thorough analysis of the semantic integration process. The emphasis lies in the semantic integration of ontologies. Semantic integration is analysed in three sub-processes: (a) semantic information extraction, (b) ontology comparison and reconciliation, and (c) integration. Based on the framework, an evaluation of existing integration methodologies and tools is also presented.

 

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