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A Framework for Intensional and Extensional Integration of Geographic Ontologies

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This paper presents ongoing research in the field of extensional mappings between ontologies. Hitherto, the task of generating mappings between ontologies has focused on the intensional level of ontologies. The term intensional level herein, refers to the set of concepts that are included in an ontology. However, an ontology that has been created for a specific task or application needs to be populated with instances. These comprise the extensional level of an ontology. This particular level is generally neglected during the ontologies’ integration procedure. Thus, although methodologies of geographic ontologies integration, ranging from alignment to true integration, have, in the course of years, presented a solid ground for information exchange, little has been done in exploring the relationships between the data. In this context, this research strives to set a framework for extensional mappings between ontologies using Information Flow Theory by presenting a case study of interoperability between the thematic content of maps.
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Document Type: Research Article

Affiliations: 1: Institute of Applied and Computational Mathematics Foundation of Research and Technology Heraklion Crete, Greece 2: Cartography Laboratory School of Rural and Surveying Engineering National Technical University of Athens

Publication date: 2007-12-01

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