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An explainable multi-attribute decision model based on argumentation

Qiaoting Zhong, Xiuyi Fan, Xudong Luo, Francesca Toni

Expert Systems with Applications, Volume: 117, Pages: 42 - 61

Swansea University Author: Xiuyi Fan

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Published in: Expert Systems with Applications
ISSN: 09574174
Published: 2019
Online Access: Check full text

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Item Description: Originality:In this paper, we present a multi-attribute decision model and a method for explaining the decisions it recommends based on an argumentative reformulation of the model. Specifically, (i) we define a notion of best decisions amounting to achieving as many goals as possible and exhibiting as few redundant attributes as possible, and (ii) we generate explanations for why a decision is best or better than or as good as another.Significance:Explainability is important to automatic decision-making systems as without a clear understanding of how a recommended decision is generated, it is hard to ensure human trust, debug and improve these systems. By connecting decision making with argumentation, this work provides a mechanism for realizing explainable decision making. Rigor:All results are shown with full proofs. We also conduct an empirical evaluation of our method with legal practitioners, confirming that our method is helpful to understand automatically generated recommendations.
Keywords: argumentation, decision making, explanation
Start Page: 42
End Page: 61