Data Management

The SDL Library: Querying a Relational Database with an Ontology, Rules and the Jess Engine

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Executive Summary

In this paper, the authors present the Semantic Data Library (SDL) which is used to query a relational database at a concept (ontological) level. The SDL integrates a rule engine, a relational database and a set of rules obtained from the transformation of an OWL ontology. This combination allows querying and inferring with data stored in a relational database using concepts, roles and rules. They propose an implementation of the method of querying relational database with extended rules and the transformation of OWL ontologies into sets of rules.

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