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2019 | OriginalPaper | Chapter

Learning Individual and Group Preferences in Abstract Argumentation

Authors : Nguyen Duy Hung, Van-Nam Huynh

Published in: PRICAI 2019: Trends in Artificial Intelligence

Publisher: Springer International Publishing

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Abstract

In Abstract Argumentation, given the same AA framework rational agents accept the same arguments unless they reason by different AA semantics. Real agents may not do so in such situations, and in this paper we assume that this is because they have different preferences over the confronted arguments. Hence by reconstructing their reasoning processes, we can learn their hidden preferences, which then allow us to predict what else they must accept. Concretely we formalize and develop algorithms for such problems as learning the hidden preference relation of an agent from his expressed opinion, by which we mean a subset of arguments or attacks he accepted; and learning the collective preferences of a group from a dataset of individual opinions. A major challenge we addressed in this endeavor is to represent and reason with “answer sets” of preference relations which are generally exponential or even infinite.

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Footnotes
1
This AAF is used in all running examples throughout the paper.
 
2
The unexpressed conclusion of this argument is that Judge Kavanaugh is not qualified to be a Justice. Hence F attacks T.
 
3
We focus on the grounded semantics but our approach can be extended to others.
 
4
An algorithmic form of function Follow can be easily worked out but we skip this.
 
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Metadata
Title
Learning Individual and Group Preferences in Abstract Argumentation
Authors
Nguyen Duy Hung
Van-Nam Huynh
Copyright Year
2019
DOI
https://doi.org/10.1007/978-3-030-29908-8_55

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