Semantics and Validation of Shapes Schemas for RDF

Published on 2017-11-28901 Views

Iovka Boneva

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

16th International Semantic Web Conference (ISWC), Vienna 2017

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Presentation

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