Interpretability is not Explainability: New Quantitative XAI Approach with a focus on Recommender Systems in Education

• URL: http://arxiv.org/abs/2311.02078v1
• Date: Mon, 18 Sep 2023 11:59:02 GMT
• Title: Interpretability is not Explainability: New Quantitative XAI Approach with a focus on Recommender Systems in Education
• Authors: Riccardo Porcedda
• Abstract summary: We propose a novel taxonomy that provides a clear and unambiguous understanding of the key concepts and relationships in XAI. Our approach is rooted in a systematic analysis of existing definitions and frameworks. This comprehensive taxonomy aims to establish a shared vocabulary for future research.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The field of eXplainable Artificial Intelligence faces challenges due to the absence of a widely accepted taxonomy that facilitates the quantitative evaluation of explainability in Machine Learning algorithms. In this paper, we propose a novel taxonomy that addresses the current gap in the literature by providing a clear and unambiguous understanding of the key concepts and relationships in XAI. Our approach is rooted in a systematic analysis of existing definitions and frameworks, with a focus on transparency, interpretability, completeness, complexity and understandability as essential dimensions of explainability. This comprehensive taxonomy aims to establish a shared vocabulary for future research. To demonstrate the utility of our proposed taxonomy, we examine a case study of a Recommender System designed to curate and recommend the most suitable online resources from MERLOT. By employing the SHAP package, we quantify and enhance the explainability of the RS within the context of our newly developed taxonomy.

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