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Institute for Logic, Language and Computation


20 June 2017, Computational Social Choice Seminar, Weiwei Chen

Speaker: Weiwei Chen (Sun Yat-sen University & ILLC)
Title: Aggregation of Abstract Argumentation Frameworks
Date: Tuesday 20 June 2017
Time: 16:00
Location: Room F1.15, Science Park 107, Amsterdam

Abstract

An abstract argumentation framework can be used to model the argumentative stance of an agent at a high level of abstraction, by indicating for every pair of arguments that is being considered in a debate whether the first attacks the second. When modelling a group of agents engaged in a debate, we may wish to aggregate their individual argumentation frameworks to obtain a single such framework that reflects the consensus of the group. Even when agents disagree on many details, there may well be high-level agreement on important semantic properties, such as the acceptability of a given argument. Using techniques from social choice theory, I will analyse under what circumstances such semantic properties agreed upon by the individual agents can be preserved under aggregation. This is joint work with Ulle Endriss.

For more information, see staff.science.uva.nl/u.endriss/seminar or contact Ulle Endriss at .

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