2006, Tomai E., and Prastacos P., "A framework for Intensional and Extensional Integration of Geographic Ontologies" Print

 

Full title:

 

Tomai E., and Prastacos P., "A framework for Intensional and Extensional Integration of Geographic Ontologies", 9th AGILE Conference on Geographic Information Science, Visegrad, Hungary, April 19 – 22, 2006.

 

Abstract:

 

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 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 being 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.

 

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