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SHACL Constraint Validation over Ontology-enhanced KGs via Rewriting
Published on Jul 19, 201947 Views
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Chapter list
Validation of SHACL Constraints over KGs with OWL 2 QL Ontologies via Rewriting00:00
Knowledge Graphs (KGs)00:50
Data Quality in KG01:28
Our Setting02:14
Combing CWA & OWA04:11
Challenges with Saturation and Existing Approaches05:54
Our Approach07:50
Example of Rewriting09:34
The main contributions11:44
The rest of the talk12:34
Shapes Constraint Language (SHACL)13:03
SHACL for local validations13:26
SHACL for local validations - 213:42
SHACL for local validations - 313:48
SHACL for local validations - 414:07
SHACL for local validations - 514:12
SHACL for propagated validations14:25
SHACL for propagated validations - 214:33
SHACL for propagated validations - 314:46
SHACL for propagated validations - 415:18
SHACL for propagated validations - 515:42
SHACL Constraints16:10
Shapes validation17:30
OWL 2 QL in 1 slide18:28
Technical part19:25
OWL 2 QL + full SHACL (negative case)19:33
Non-Existence of Rewriting19:36
OWL 2 QL + positive SHACL 20:12
General Idea of Rewriting20:20
Rewriting Overview /121:06
Rewriting Shape Targets21:34
Rewriting Overview /222:13
Concept into Shapes22:44
Rewriting and virtual shapes23:27
Virtual shapes24:25
OWL 2 QL (without existential on the right-hand-side) + full SHACL 25:22
OWL 2 QL without Existentials25:37
Untitled25:59
Complexity Table and Next Steps26:05
PostDoc and PhD Positions at KRDB Research Centre in Bolzano27:04