资源论文The Combined Approach to Ontology-Based Data Access

The Combined Approach to Ontology-Based Data Access

2019-11-12 | |  83 |   51 |   0
Abstract The use of ontologies for accessing data is one of the most exciting new applications of description logics in databases and other information systems. A realistic way of realising suf?ciently scalable ontology-based data access in practice is by reduction to querying relational databases. In this paper, we describe the combined approach, which incorporates the information given by the ontology into the data and employs query rewriting to eliminate spurious answers. We illustrate this approach for ontologies given in the DL-Lite family of description logics and brie?y discuss the results obtained for the EL family.

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