Abstract
Merging ontologies is the standard way to achieve interoperability of heterogeneous systems in the Semantic Web. Because of the possibility of different modeling, OWL restrictions from one ontology may not necessarily be compatible with those from other ontologies. Thus, the merged ontology can suffer from restriction conflicts. This problem so far has got little attention. We propose a workflow to detect and resolve the OWL restriction conflicts within the merged ontology. We reconcile “one type” conflicts by building a subsumption hierarchy. We tackle cardinality restriction conflicts with least upper and greatest lower bound methods. By utilizing the semantic relatedness between two classes, we overcome value restriction conflicts.
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Notes
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The one type conflict can happen only on datatype properties.
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We assumed the OWL/RDF data types could be mapped to Java data types and considered the general data types conversions from: https://docs.oracle.com/javase/specs/jls/se7/html/jls-5.html#jls-5.5.
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Acknowledgement
S. Babalou is supported by a scholarship from German Academic Exchange Service (DAAD).
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Grygorova, E., Babalou, S., König-Ries, B. (2020). Toward OWL Restriction Reconciliation in Merging Knowledge. In: Harth, A., et al. The Semantic Web: ESWC 2020 Satellite Events. ESWC 2020. Lecture Notes in Computer Science(), vol 12124. Springer, Cham. https://doi.org/10.1007/978-3-030-62327-2_17
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DOI: https://doi.org/10.1007/978-3-030-62327-2_17
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