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Semantics and Validation of Shapes Schemas for RDF
Published on Nov 28, 2017896 Views
In this paper, we present an empirical comparison of user performance and perceived usability for Sparql versus SemwidgQL, a path-oriented Rdf query language. We developed SemwidgQL to facilitate the
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Semantics and Validation of Shapes Schemas for RDF00:00
True or false ?00:13
Schemas for RDF00:58
Contributions02:07
Example03:17
Example continued05:56
Syntax of Shapes Schemas06:30
First challenge: recursion07:16
First challenge: recursion - 107:41
Second challenge: negation08:53
Second challenge: negation - 109:20
Second challenge: negation - 209:29
Semantics of shapes schemas in a glance10:34
Maximal typing11:24
Definition of the semantics11:41
Global refinement algorithm12:23
Exploration recursive algorithm13:10
Future work14:31