Probabilistic argumentation frameworks: Basic properties and computation

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Abstract

In this paper we analyze probabilistic argumentation frameworks PAF, defined as an extension of Dung abstract framework in which each argument n is asserted with a probability pn and where an argumentation semantics is used to compute arguments' status. We start by extending recent definitions of PAF removing the hypothesis of arguments independence, extending the computation to preferred semantics and defining the distribution of various probabilities induced over arguments acceptability status. We then prove some basic properties linking grounded and preferred PAF and we describe the first algorithm to compute the probability of acceptance of each argument. We end our work with an application of PAF to legal reasoning.

Original languageEnglish
Title of host publicationHighlights on Practical Applications of Agents and Multi-Agent Systems
Subtitle of host publicationInternationalWorkshops of PAAMS 2013 Salamanca, Spain, May 22-24, 2013 Proceedings
PublisherSpringer Verlag
Pages263-279
Number of pages17
ISBN (Print)9783642380600
DOIs
Publication statusPublished - 2013

Publication series

NameCommunications in Computer and Information Science
Volume365
ISSN (Print)1865-0929

Keywords

  • Argumentation Theory
  • Probabilistic Reasoning
  • Semantics

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