Heuristics in Argumentation: A Game-Theoretical Investigation

  • Authors:
  • Régis Riveret;Henry Prakken;Antonino Rotolo;Giovanni Sartor

  • Affiliations:
  • CIRSFID, University of Bologna, Italy;Department of Information and Computing Sciences, Utrecht University and Faculty of Law, University of Groningen, The Netherlands;CIRSFID, University of Bologna, Italy;CIRSFID, University of Bologna, Italy and European University Institute, Law Department, Florence, Italy

  • Venue:
  • Proceedings of the 2008 conference on Computational Models of Argument: Proceedings of COMMA 2008
  • Year:
  • 2008

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Abstract

This paper provides a game-theoretical investigation on how to determine optimal strategies in dialogue games for argumentation. To make our ideas as widely applicable as possible, we adopt an abstract dialectical setting and model dialogues as extensive games with perfect information where optimal strategies are determined by preferences over outcomes of the disputes. In turn, preferences are specified in terms of expected utility combining the probability of success of arguments with the costs and benefits associated to arguments.