The Good, the Bad, and the Explainer: A Tool for Contrastive Explanations of Text Classifiers

Lorenzo Malandri, Fabio Mercorio, Mario Mezzanzanica, Navid Nobani, Andrea Seveso

Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence

Demo Track. Pages 5936-5939.

https://doi.org/10.24963/ijcai.2022/858

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Abstract

In the last few years, we have been witnessing the increasing deployment of machine learning-based systems, which act as black boxes whose behaviour is hidden to end-users. As a side-effect, this contributes to increasing the need for explainable methods and tools to support the coordination between humans and ML models towards collaborative decision-making. In this paper, we demonstrate ContrXT, a novel tool that computes the differences in the classification logic of two distinct trained models, reasoning on their symbolic representation through Binary Decision Diagrams.

ContrXT is available as a pip package and API.

Keywords

  • Natural Language Processing: Interpretability and Analysis of Models for NLP
  • AI Ethics, Trust, Fairness: Explainability and Interpretability
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