Compatibility of Fairness Metrics With EU Non-discrimination Law: A Legal and Technical Case Study

Yousefi, Yasaman;Koutsoviti-Koumeri, Lisa;Legast, Magali;Schommer, Christoph;Legay, Axel;et.al.
(2023) European Workshop on Algorithmic Fairness — Location: Winterthur, Switzerland (7.June.2023)

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Authors
  • Yousefi, Yasaman
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  • Koutsoviti-Koumeri, Lisa
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  • Schommer, Christoph
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  • Legay, AxelUCLouvain
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Abstract
Algorithmic decisions made by Machine Learning (ML) models may pose a threat of discrimination. This research endorses the contextual approach to fairness in the EU non-discrimination legal framework and aims to assess to what extent we can ensure legal fairness using fairness metrics and constraints in ML models. We examine the legal concepts of non-discrimination and differential treatment, using different fairness definitions. In a case study with different scenarios, we train classifiers with bias mitigation methods involving different fairness constraints. Our goal is to determine how effective they are at mitigating prediction bias while respecting the judiciary contextual approach and the substantive notion of equality under EU law.
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Citations

Yousefi, Y., Koutsoviti-Koumeri, L., Legast, M., Schommer, C., Vanhoof, K., & Legay, A. (2023). Compatibility of Fairness Metrics With EU Non-discrimination Law: A Legal and Technical Case Study. C E U R Workshop Proceedings, 3442. https://hdl.handle.net/2078.5/241653 (Original work published 2023)