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Bag Semantics of DL-Lite with Functionality Axioms
Published on 2019-12-1072 Views
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Presentation
Bag Semantics of DL-Lite with Functionality Axioms00:00
Motivation: Ontology-based data access (OBDA)03:33
Overview05:15
DL-Lite ontologies05:43
Queries over DL-Lite07:02
Bags08:16
DL-LiteBcore: bag version of DL-Litecore09:19
What about functionality axioms?11:40
Two alternative semantics12:35
Satisfiability of DL-Lite ontologies12:47
Query answering under bag semantics13:45
Query answering in DL-Lite13:59
Negative results14:55
Existing positive results15:50
Positive results for SQL semantics15:52
Results for MR semantics16:04
Summary and future work16:49