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Research map / Probabilistic and scientific modeling / Variational and generative sampling

Group Fairness by Probabilistic Modeling with Latent Fair Decisions

AAAI 2021 · Probabilistic and scientific modeling › Variational and generative sampling · approach: Latent variable marginalization and estimators · 14 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Model the observed label as a biased proxy of a latent fair decision, rather than enforcing parity directly on the observed labelProbabilistic fair classification · Synthetic dataaccuracy on fair labels: around 0.17 higher than that of FairLRHelped
Use probabilistic circuits instead of naive Bayes structureFair probabilistic modeling · Synthetic datatest log-likelihood: -7.361 (LatNB) vs -7.022 (FairPC-prior), 10 non-sensitive variablesHelped
Use a latent decision variable instead of enforcing fairness directly on the observed labelProbabilistic fair models · Real-world datasetslog-likelihood: COMPAS: -3.922 -> -3.919; Adult: -5.980 -> -5.962; German: -11.454 -> -11.422Helped
Add prior initialization encoding D=D_f instead of random parameter initialization (ablation)FairPC · Synthetic datatest log-likelihood: -7.024 -> -7.022No clear effect
Add prior initialization encoding D=D_f instead of random parameter initialization (ablation)FairPC · Synthetic dataconvergence to the bias mechanismHelped
Use a latent fair decisionFair probabilistic models · Synthetic datadiscriminationHelped
Use FairPC rather than fair logistic regression methodsFair classification · Germanaccuracy on observed labelsMixed

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