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Argumentation Frameworks with Attack Classification

Vassiliades, Alexandros; Flouris, Giorgos; Patkos, Theodore; Bikakis, Antonios; Bassiliades, Nick; Plexousakis, Dimitris; (2023) Argumentation Frameworks with Attack Classification. Journal of Logic and Computation , 33 (2) pp. 192-229. 10.1093/logcom/exac092. Green open access

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Abstract argumentation frameworks (AAFs), introduced by Dung (1995, Artif. Intell., 228, 321–357), enabled a new way of reasoning with arguments, which does not take into account the internal structure of arguments but only how they are related to each other. The only form of relation considered in AAFs is a binary attack relation on the set of arguments. From the definitions of acceptability semantics of AAFs, it is obvious that attacks actually have a dual role: on the one hand, they generate conflicts; on the other hand, they can defend other arguments from attacks. In this paper, we propose a framework, where the modeller can explicitly specify the role of each attack. For this purpose, we define a set of conflict-generating attacks Square_{c} and a set of defending attacks Square_{d}, as well as a family of semantics that considers the role of each attack while determining which arguments are attacked, which are defended and which will be included in each extension. We study the formal properties of the proposed framework and semantics, show that our framework is a generalization of AAFs and assess its semantics against a set of principles. Finally, we present a web application that provides an interface for creating custom argumentation frameworks and uses ASP to compute their extensions.

Type: Article
Title: Argumentation Frameworks with Attack Classification
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/logcom/exac092
Publisher version: https://doi.org/10.1093/logcom/exac092
Language: English
Additional information: © The Author(s) 2023. Published by Oxford University Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/).
UCL classification: UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities > Dept of Information Studies
UCL > Provost and Vice Provost Offices > UCL SLASH
URI: https://discovery.ucl.ac.uk/id/eprint/10157209
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