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Matching Spatial Ontologies - A Challenge of Formalization

Ontology matching can be defined as the process of defining a set of functions for specifying correspondences between candidate concepts in order to discover similarities between two ontologies; it can be processed by exploiting a number of different techniques. In this paper, we present an approach of merging spatial ontologies which consists of three processes: “matching process”, “mapping process” and “merging process” and we focus on the matching process. Indeed we consider three kind of matching: semantic matching, topologic matching and geometric matching. For each type of matching, we formally define functions for specifying correspondences between candidate concepts.