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We present a versatile argumentation system in which various auxiliary features for argumentation are incorporated. They are not only for extending the underlying argumentation system, LMA: the Logic of Multiple-valued Argumentation, but also for promoting our understanding of argumentation processes. We in particular present some very new and unique(More)
Ordered attribute grammars (OAGs for short) are a useful class of attribute grammars (AGs). For some attribute grammars, even though they are not circular, OAG circularity test reports that they are not ordered and fails to generate attribute evaluators because some approximation introduces circularities(called type 3 circularities in this paper). First we(More)
Argumentation is a leading principle both founda-tionally and functionally for agent-oriented computing where reasoning accompanied by communication plays an essential role in agent interaction. We constructed a simple but versatile neural network for neu-ral network argumentation, so that it can decide which argumentation semantics (admissible, stable,(More)
Argumentation, whether philosophical or formal and mathematical, is a discipline of interdisciplinary nature, per se. The recent works on the computational argumentation formalism and their foundations, however, have rested only on logic or logical account. In this paper, we reconsider Dung's seminal argument acceptability notion in the context of Heider's(More)