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Refereed Papers

Track: Semantic Web

Paper Title:
Bridging the Gap Between OWL and Relational Databases


Schema statements in OWL are interpreted in a different way from similar statements in a relational database setting. This can lead to problems in data-centric applications, where OWL's interpretation of the statements intended as constraints may be confusing and/or inappropriate. We propose an extension of OWL that attempts to mimic the intuition behind integrity constraints in relational databases. We discuss the algorithms for checking constraint satisfaction for different types of knowledge bases, and show that, provided the constraints are satisfied, we can disregard them while answering a broad range of positive queries.

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