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An extension of SPARQL for expressing preferences
Published on Nov 28, 2017747 Views
In this paper we present SPREFQL, an extension of the SPARQL language that allows appending a "PREFER" clause that expresses ‘soft’ preferences over the query results obtained by the main body of the
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Chapter list
An extension of SPARQL for expressing qualitative preferences00:00
Preferences00:09
Quantitative vs. Qualitative preferences01:14
Chomicki Framework02:18
Our approach03:41
A simple SPREFQL query04:16
Another SPREFQL query06:32
Preference Compositions in SPREFQL07:26
Expressive Power of SPREFQL08:59
The BNL algorithm10:17
Evaluation10:27
Ongoing and future work11:38
Questions12:27