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...
| Автори: | , , , , , |
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| Формат: | Journal article |
| Опубліковано: |
2017
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