Explaining arguments’ strength: Unveiling the role of attacks and supports

Yin, Xiang, Potyka, Nico and Toni, Francesca 2024. Explaining arguments’ strength: Unveiling the role of attacks and supports. Presented at: IJCAI 2024, Jeju Island, South Korea, 3 - 9 August 2024. Published in: Larson, Kate ed. Proceedings of the Thirty-Third International Joint Conference on Artificial Intelligence. pp. 3622-3630.

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Abstract

Quantitatively explaining the strength of arguments under gradual semantics has recently received increasing attention. Specifically, several works in the literature provide quantitative explanations by computing the attribution scores of arguments. These works disregard the importance of attacks and supports, even though they play an essential role when explaining arguments’ strength. In this paper, we propose a novel theory of Relation Attribution Explanations (RAEs), adapting Shapley values from game theory to offer fine-grained insights into the role of attacks and supports in quantitative bipolar argumentation towards obtaining the arguments’ strength. We show that RAEs satisfy several desirable properties. We also propose a probabilistic algorithm to approximate RAEs efficiently. Finally, we show the application value of RAEs in fraud detection and large language models case studies.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Computer Science & Informatics
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science
ISBN:	9781956792041
Date of First Compliant Deposit:	12 June 2024
Last Modified:	22 Aug 2024 15:51
URI:	https://orca.cardiff.ac.uk/id/eprint/168999

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