The 12th International Semantic Web Conference
and the 1st Australasian Semantic Web Conference
21-25 October 2013, Sydney, Australia

Pay as you go Matching of Relational Schemata to OWL Ontologies with IncMap

Christoph Pinkel, Carsten Binnig, Evgeny Kharlamov and Peter Haase
Ontology Based Data Access (OBDA) enables access to relational data with a complex structure through ontologies as conceptual domain models. A key component of an OBDA system are mappings between the schematic elements in the ontology and their correspondences in the relational schema. Today, in existing OBDA systems these map- pings typically need to be compiled by hand. In this paper we present IncMap, a system that supports a semi-automatic approach for matching relational schemata and ontologies. Our approach is based on a novel matching technique that represents the schematic elements of an ontology and a relational schema in a uni ed way. Finally, IncMap can extend user-verified mapping suggestions in a pay-as-you-go fashion.
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