Value Based Argumentation in Hierarchical Argumentation Frameworks

Abstract. Hierarchical argumentation frameworks organise Dung argumentation frameworks into a hierarchy so that argumentation over preference information in a level n Dung framework is used to resolve conflicts between arguments in a level n-1 framework. In this paper we formalise and extend value based argumentation [1] in a hierarchical argumentation framework and illustrate application of the resulting framework to argumentation over action. 1.