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Fairness-aware News Recommendation with Decomposed Adversarial Learning

AAAI 2021 · Label-efficient and robust learning › Recognition and long-tail · approach: Recommendation representation learning · 119 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use decomposed adversarial learning with orthogonality regularization and rank using the bias-free embeddingNRMS-based news recommendation · Gender fairness, Top 10Accuracy: 70.12$\pm$0.59 -> 53.40$\pm$0.48Helped
Use decomposed adversarial learning with orthogonality regularization and rank using the bias-free embeddingNRMS-based news recommendation · News recommendation test sessionsAUC: 62.89$\pm$0.22 -> 61.95$\pm$0.22Hurt
Remove attribute prediction from the bias-aware embedding (ablation)FairRec · Gender fairness, Top 10FairnessHurt
Add attribute prediction to the bias-aware embedding (ablation)FairRec · Gender fairness, Top 10FairnessHelped
Remove adversarial learning from the bias-free embedding (ablation)FairRec · Gender fairness, Top 10FairnessHurt
Add adversarial learning to the bias-free embedding (ablation)FairRec · Gender fairness, Top 10FairnessHelped
Remove orthogonality regularization between the bias-aware and bias-free embeddings (ablation)FairRec · Gender fairness, Top 10FairnessHurt
Add orthogonality regularization between the bias-aware and bias-free embeddings (ablation)FairRec · Gender fairness, Top 10FairnessHelped
Increase the attribute-prediction loss coefficient from zero to a moderate valueFairRec · Gender fairness, Top 10Fairness: 0.5Helped
Set the attribute-prediction loss coefficient above 0.5FairRec · News recommendationPerformance: 0.5Hurt
Increase the orthogonality-loss coefficientFairRec · Gender fairness, Top 10Fairness: 0.3-0.6Helped
Set the adversarial-loss coefficient too small or too largeFairRec · Gender fairness, Top 10FairnessHurt

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