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On the Semantics of SPARQL Queries with Optional Matching under Entailment Regimes

Published on Dec 19, 20141867 Views

We study the semantics of SPARQL queries with optional matching features under entailment regimes. We argue that the normative semantics may lead to answers that are in conflict with the intuitive mea

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On the Semantics of SPARQL Queries with Optional Matching under Entailment Regimes00:00
Question of the talk - 100:01
Question of the talk - 200:44
Example: OPTIONAL matching01:28
Example: possibility of extensions01:56
Motivation for OPTIONAL - 103:14
Motivation for OPTIONAL - 204:06
Motivation for OPTIONAL04:38
Example: entailment regimes05:32
Example: analysis of normative answers - 106:03
Example: analysis of normative answers - 206:35
Conclusions from the example07:04
Motivation for OPTIONAL07:47
Example: we propose strict semantics08:35
In the paper - 109:08
In the paper - 209:18
In the paper - 309:49
In the paper - 410:41
In the paper - 511:25
In the paper - 611:37
Thank you!11:46