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Schema-Agnostic Query Rewriting in SPARQL 1.1
Published on Dec 19, 20141721 Views
SPARQL 1.1 supports the use of ontologies to enrich query results with logical entailments, and OWL 2 provides a dedicated fragment OWL QL for this purpose. Typical implementations use the OWL QL sche
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Chapter list
Schema-Agnostic Query Rewriting in SPARQL 1.1 00:00
Plain Query Answering00:30
Views on Ontological Query Answering - 101:34
Views on Ontological Query Answering - 201:55
Ontological Query Answering02:13
Views on Ontological Query Answering - 302:17
Views on Ontological Query Answering - 402:45
Our Scenario: CQs over OWL QL - 103:13
Our Scenario: CQs over OWL QL - 204:04
Our Scenario: CQs over OWL QL - 304:54
Example - 105:16
Example - 205:44
Example - 306:03
Example - 406:35
Example - 506:42
Example - 607:00
Results (1/2) Rewriting for Single Triples 08:03
Example - 709:20
Result (2/2) Rewriting for CQs 10:04
First Implementation and Testing - 110:54
First Implementation and Testing - 211:14
Limits of the Approach - 112:07
Limits of the Approach - 213:07
Take-Home Message - 214:04
Future Work 14:22
Thank you!15:57