On the relationship between PQCL preference formalism and value-based AF

Abstract

Representing and reasoning with preferences and arguments are two wide and active research topics. In this paper, we establish a link between a preference formalism, called Prioritized Qualitative Choice Logic (PQCL) and argumentation theory. We show that for any set of preferences expressed using PQCL, there is an equivalent Value-based argumentation framework (VAF). We then show that there is a direct relationship between preferred models of a given PQCL theory and the preferred extension of the corresponding VAF. This relationship is interesting since it makes it possible to use an argumentation framework for preferences elicitation.