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Query answering in resource-based answer set semantics*

Published online by Cambridge University Press:  14 October 2016

STEFANIA COSTANTINI  and
ANDREA FORMISANO
STEFANIA COSTANTINI
Affiliation:
DISIM, Università di L'Aquila (e-mail: stefania.costantini@univaq.it)
ANDREA FORMISANO
Affiliation:
DMI, Università di Perugia — GNCS-INdAM (e-mail: formis@dmi.unipg.it)
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Abstract

In recent work we defined resource-based answer set semantics, which is an extension to answer set semantics stemming from the study of its relationship with linear logic. In fact, the name of the new semantics comes from the fact that in the linear-logic formulation every literal (including negative ones) were considered as a resource. In this paper, we propose a query-answering procedure reminiscent of Prolog for answer set programs under this extended semantics as an extension of XSB-resolution for logic programs with negation.1 We prove formal properties of the proposed procedure. Under consideration for acceptance in TPLP.

Keywords

Answer Set ProgrammingProcedural SemanticsTop-down Query-answering
Type
Regular Papers
Information
Theory and Practice of Logic Programming , Volume 16 , Special Issue 5-6: 32nd International Conference on Logic Programming , September 2016 , pp. 619 - 635
Copyright
Copyright © Cambridge University Press 2016 

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Footnotes

*

This research is partially supported by YASMIN (RdB-UniPG2016/17) and FCRPG.2016.0105.021 projects.

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