The bag semantics of ontology-based data access

The bag semantics of ontology-based data access

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Ontology-based data access (OBDA) is a popular approach for integrating and querying multiple data sources by means of a shared ontology. The ontology is linked to the sources using mappings, which assign views over the data to ontology predicates. Motivated by the need for OBDA systems supporting d...

Bibliografske podrobnosti
Main Authors:	Nikolaou, C, Kostylev, E, Konstantinidis, G, Kaminski, M, Grau, B, Horrocks, I
Format:	Journal article
Izdano:	2017

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