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A QBF-based formalization of abstract argumentation semantics

Arieli, Ofer and Caminada, Martin 2013. A QBF-based formalization of abstract argumentation semantics. Journal of Applied Logic 11 (2) , pp. 229-252. 10.1016/j.jal.2013.03.009

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Abstract

We introduce a unified logical theory, based on signed theories and Quantified Boolean Formulas (QBFs) that can serve as the basis for representing and computing various argumentation-based decision problems. It is shown that within our framework we are able to model, in a simple and modular way, a wide range of semantics for abstract argumentation theory. This includes complete, grounded, preferred, stable, semi-stable, stage, ideal and eager semantics. Furthermore, our approach is purely logical, making for instance decision problems like skeptical and credulous acceptance of arguments simply a matter of entailment and satisfiability checking. The latter may be verified by off-the-shelf QBF-solvers.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Computer Science & Informatics
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
ISSN: 1570-8683
Last Modified: 04 Jun 2017 08:45
URI: http://orca.cf.ac.uk/id/eprint/84278

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