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On the Computation of Paracoherent Answer Sets

Amendola, Giovanni, Dodaro, Carmine, Faber, Wolfgang, Leone, Nicola and Francesco, Ricca (2017) On the Computation of Paracoherent Answer Sets. In: Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence. AAAI Press, pp. 1034-1040.

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Abstract

Answer Set Programming (ASP) is a well-established formalism for nonmonotonic reasoning. An ASP program can have no answer set due to cyclic default negation. In this case, it is not possible to draw any conclusion, even if this is not intended.
Recently, several paracoherent semantics have been
proposed that address this issue, and several potential applications for these semantics have been identified. However, paracoherent semantics have essentially been inapplicable in practice, due to the lack of efficient algorithms and implementations. In this paper, this lack is addressed, and several different algorithms to compute semi-stable and semi-equilibrium
models are proposed and implemented into an answer set solving framework. An empirical performance comparison among the new algorithms on benchmarks from ASP competitions is given as well.

Item Type: Book Chapter
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Q Science > QA Mathematics > QA76 Computer software
Schools: School of Computing and Engineering
School of Computing and Engineering > High-Performance Intelligent Computing > Planning, Autonomy and Representation of Knowledge
School of Computing and Engineering > High-Performance Intelligent Computing > Planning, Autonomy and Representation of Knowledge
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Depositing User: Wolfgang Faber
Date Deposited: 20 Jun 2017 08:20
Last Modified: 21 Jun 2017 17:08
URI: http://eprints.hud.ac.uk/id/eprint/32167

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