Neural QBAFs: explaining neural networks under LRP-based argumentation frameworks

Autor: Purin Sukpanichnant, Antonio Rago, Piyawat Lertvittayakumjorn, Francesca Toni
Přispěvatelé: JPMorgan Chase Bank, N.A., Royal Academy Of Engineering
Rok vydání: 2022
Předmět:
Zdroj: International Conference of the Italian Association for Artificial Intelligence
AIxIA 2021 – Advances in Artificial Intelligence ISBN: 9783031084201
Popis: In recent years, there have been many attempts to combine XAI with the field of symbolic AI in order to generate explanations for neural networks that are more interpretable and better align with human reasoning, with one prominent candidate for this synergy being the sub-field of computational argumentation. One method is to represent neural networks with quantitative bipolar argumentation frameworks (QBAFs) equipped with a particular semantics. The resulting QBAF can then be viewed as an explanation for the associated neural network. In this paper, we explore a novel LRP-based semantics under a new QBAF variant, namely neural QBAFs (nQBAFs). Since an nQBAF of a neural network is typically large, the nQBAF must be simplified before being used as an explanation. Our empirical evaluation indicates that the manner of this simplification is all important for the quality of the resulting explanation.
Databáze: OpenAIRE