Shapes of Alignments - Construction, Combination, and Computation

Oliver Kutz, Till Mossakowski, Mihai Codescu

In: Ulrike Sattler , Andrei Tamilin (Hrsg.). International Workshop on Ontologies: Reasoning and Modularity. International Workshop on Ontologies: Reasoning and Modularity (WORM-08) befindet sich the 5th European Semantic Web Conference ESWC-08 June 2-2 Tenerife Spain CEUR-WS online proceedings 348 CEUR 2008.


We present a general approach for representing and combining alignments and computing these combinations, based on the category theoretic notions of diagram, pushout, and colimit. This generalises the possible `shapes' of alignments that have been introduced previously in similar approaches. We use the theory of institutions to represent heterogeneous ontologies, and show how the tool Hets can be employed to compute the colimit ontology of an alignment diagram.

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Deutsches Forschungszentrum für Künstliche Intelligenz
German Research Center for Artificial Intelligence