Gradual valuation for bipolar argumentation frameworks

  • Authors:
  • C. Cayrol;M. C. Lagasquie-Schiex

  • Affiliations:
  • IRIT, Université Paul Sabatier, Toulouse;IRIT, Université Paul Sabatier, Toulouse

  • Venue:
  • ECSQARU'05 Proceedings of the 8th European conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
  • Year:
  • 2005

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Abstract

In this paper, we extend the abstract argumentation framework proposed by [1] in order to take into account two kinds of interaction between arguments: a positive interaction (an argument can help, support another argument) and a negative interaction (an argument can attack another argument). In this new abstract argumentation framework, called a bipolar argumentation framework, we propose a gradual interaction-based valuation process. With this process, the value of each argument A only depends on the value of the arguments which are directly interacting with A in the argumentation system.