Abstract Dialectical Frameworks Revisited.

Gerhard Brewka,Hannes Strass,Stefan Ellmauthaler,Johannes Peter Wallner,Stefan Woltran

IJCAI '13: Proceedings of the Twenty-Third international joint conference on Artificial Intelligence（2013）

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摘要

We present various new concepts and results related to abstract dialectical frameworks (ADFs), a powerful generalization of Dung's argumentation frameworks (AFs). In particular, we show how the existing definitions of stable and preferred semantics which are restricted to the subcase of so-called bipolar ADFs can be improved and generalized to arbitrary frameworks. Furthermore, we introduce preference handling methods for ADFs, allowing for both reasoning with and about preferences. Finally, we present an implementation based on an encoding in answer set programming.

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关键词

so-called bipolar ADFs,abstract dialectical framework,answer set programming,arbitrary framework,argumentation framework,existing definition,powerful generalization,preference handling method,preferred semantics,various new concept

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