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Oral

Obtaining Fairness using Optimal Transport Theory

Paula Gordaliza · Eustasio del Barrio · Gamboa Fabrice · Loubes Jean-Michel

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Abstract:

In the fair classification setup, we recast the links between fairness and predictability in terms of probability metrics. We analyze repair methods based on mapping conditional distributions to the Wasserstein barycenter. We propose a Random Repair which yields a tradeoff between minimal information loss and a certain amount of fairness.

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