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Algorithmic Decision Making with Conditional Fairness
ABSTRACTNowadays fairness issues have raised great concerns in
decision-making systems. Various fairness notions have been proposed tomeasure the degree to which an algorithm is unfair. In practice,there frequently exist a certain set of variables we term as fairvariables, which are pre-decision covariates such as usersβ choices.The effects of fair variables are irrelevant in assessing the fair-ness of the decision support algorithm. We thus define conditionalfairness as a more sound fairness metric by conditioning on thefairness variables. Given different prior knowledge of fair vari-ables, we demonstrate that traditional fairness notations, such asdemographic parity and equalized odds, are special cases of ourconditional fairness notations. Moreover, we propose a DerivableConditional Fairness Regularizer (DCFR), which can be integratedinto any decision-making model, to track the trade-off betweenprecision and fairness of algorithmic decision making. Specifically,an adversarial representation based conditional independence lossis proposed in our DCFR to measure the degree of unfairness. Withextensive experiments on three real-world datasets, we demonstratethe advantages of our conditional fairness notation and DCFR. https://arxiv.org/pdf/2006.10483v1.pdf https://arxiv.org/pdf/2006.10483v1.pdf https://arxiv.org/pdf/2006.10483v1.pdf https://arxiv.org/pdf/2006.10483v1.pdf https://arxiv.org/pdf/2006.10483v1.pdf https://arxiv.org/pdf/2006.10483v1.pdf -- With over 1.2 billion devices now running Windows 10, customer satisfaction is higher than any previous version of windows. |
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