Skepticism relations for comparing argumentation semantics

  • Authors:
  • Pietro Baroni;Massimiliano Giacomin

  • Affiliations:
  • Dipartimento di Elettronica per l'Automazione, Università di Brescia, Via Branze 38, I-25123 Brescia, Italy;Dipartimento di Elettronica per l'Automazione, Università di Brescia, Via Branze 38, I-25123 Brescia, Italy

  • Venue:
  • International Journal of Approximate Reasoning
  • Year:
  • 2009

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Abstract

The issue of formalizing skepticism relations between argumentation semantics has been considered only recently in the literature. In this paper we provide a twofold contribution to this kind of analysis. First, starting from the traditional concepts of skeptical and credulous acceptance, we introduce a comprehensive set of seven skepticism relations, which provide a formal counterpart to several alternative notions of skepticism at an intuitive level. Then we carry out a systematic comparison of a significant set of literature semantics (namely grounded, complete, preferred, stable, semi-stable, ideal, prudent and CF2 semantics) on the basis of the proposed skepticism relations.