The bag semantics of ontology-based data access

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...

詳細記述

書誌詳細
主要な著者: Nikolaou, C, Kostylev, E, Konstantinidis, G, Kaminski, M, Grau, B, Horrocks, I
フォーマット: Journal article
出版事項: 2017