Opposition Frameworks

Abstract In this paper we introduce opposition frameworks, a generalization of Dung’s argumentation frameworks. While keeping the attack relation as the sole type of interaction between nodes and the abstract level of argumentation frameworks, opposition networks add more flexibility, reducing the gap between structured and abstract argumentation. A guarded attack calculus is developed in order to obtain proper generalizations of Dung’s admissibility-based semantics. The high modeling capabilities of our new setting offer an alternative instantiation solution (of other existing argumentation frameworks) for arguments evaluation.

Authors

• Cosmina Croitoru
• Kurt Mehlhorn

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