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Provenance for SPARQL queries
Published on Dec 03, 20122458 Views
Determining trust of data available in the Semantic Web is fundamental for applications and users, in particular for linked open data obtained from SPARQL endpoints. There exist several proposals in
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Chapter list
Provenance for SPARQL queries00:00
Overview00:52
The problem01:50
The solution with duplicates02:41
Lineage of solution dbpedia:United States03:11
Why-provenance dbpedia:United States03:41
How-provenance dbpedia:United States04:24
Graph source is important04:57
How-provenance for SPARQL05:38
Our approach07:37
The universal m-semiring K dprov09:23
Query language RA+(-, δ)10:54
Mapping of RDF graphs12:13
SPARQL solutions13:06
Empty and triple patterns14:27
A glimpse of the translation15:17
AND graph patterns16:28
UNION graph patterns17:43
MINUS graph patterns18:28
OPTIONAL graph patterns19:48
FILTER graph patterns21:07
GRAPH patterns21:54
Related Work22:46
Future work24:20
Conclusions and future work25:11