Jul 20, 2017 · 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 ...

Oct 4, 2017 · In this paper we propose SPREFQL, an extension of SPARQL that allows the query author to specify a preference that modifies the query solutions.

Abstract. In this paper we present SPREFQL, an extension of the. SPARQL language that allows appending a "PREFER" clause that ex- presses 'soft' preferences ...

In this paper we present SPREFQL, an extension of the SPARQL language that allows appending a "PREFER" clause that expresses 'soft' preferences over the ...

Sep 28, 2017 · In this paper we present SPREFQL, an extension of the SPARQL language that allows appending a PREFER clause that expresses "soft" ...

Main ideas: Preferences between tuples are specified using binary preference relations, defined using logic formulas. A new relational algebra operator is ...

TL;DR: SPREFQL is an extension of the SPARQL language that allows appending a PREFER clause that expresses "soft" preferences over the query results ...

Antonis Troumpoukis, Stasinos Konstantopoulos , Angelos Charalambidis: An extension of SPARQL for expressing qualitative preferences.

This paper presents a survey of these approaches, classifies them, and points out research perspectives.

Nov 28, 2017 · In this paper we present SPREFQL, an extension of the SPARQL language that allows appending a "PREFER" clause that expresses 'soft' ...