Putting Fairness Principles into Practice: Challenges, Metrics, and Improvements
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Abstract (arXiv)
As more researchers have become aware of and passionate about algorithmic fairness, there has been an explosion in papers laying out new metrics, suggesting algorithms to address issues, and calling attention to issues in existing applications of machine learning. This research has greatly expanded our understanding of the concerns and challenges in deploying machine learning, but there has been much less work in seeing how the rubber meets the road. In this paper we provide a case-study on the application of fairness in machine learning research to a production classification system, and offer new insights in how to measure and address algorithmic fairness issues. We discuss open questions in implementing equality of opportunity and describe our fairness metric, conditional equality, that takes into account distributional differences. Further, we provide a new approach to improve on the fairness metric during model training and demonstrate its efficacy in improving performance for a real-world product
Key facts. Cited by 70 papers in the map (data through 7 Oct 2026). First posted on arXiv 14 Jan 2019.
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Citing papers per year: 2021: 17; 2022: 13; 2023: 19; 2024: 8; 2025: 9; 2026: 4.
70 papers.
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- 2022Bias Mitigation for Machine Learning Classifiers: A Comprehensive Surveycited by 125
- 2021Quantifying Social Biases in NLP: A Generalization and Empirical Comparison of Extrinsic Fairness Metricscited by 83
- 2021Addressing Algorithmic Disparity and Performance Inconsistency in Federated Learningcited by 50
- 2021A Step Toward More Inclusive People Annotations for Fairnesscited by 46
- 2023A Survey on Popularity Bias in Recommender Systemscited by 42
- 2022Unbiased Supervised Contrastive Learningcited by 40
- 2021FARF: A Fair and Adaptive Random Forests Classifiercited by 37
- 2022Representation Bias in Data: A Survey on Identification and Resolution Techniquescited by 37
- 2021Understanding and Improving Fairness-Accuracy Trade-offs in Multi-Task Learningcited by 34
- 2022Fairness in Recommendation: Foundations, Methods and Applicationscited by 27
- 2021Outlining Traceability: A Principle for Operationalizing Accountability in Computing Systemscited by 26
- 2021A Stochastic Optimization Framework for Fair Risk Minimizationcited by 26
38 more
- 2021Machine Learning Practices Outside Big Tech: How Resource Constraints Challenge Responsible Developmentcited by 21
- 2022Longitudinal Fairness with Censorshipcited by 21
- 2021Technical Challenges for Training Fair Neural Networkscited by 20
- 2021Fairness On The Ground: Applying Algorithmic Fairness Approaches to Production Systemscited by 20
- 2022A Survey on Fairness for Machine Learning on Graphscited by 20
- 2022Efficient Conditionally Invariant Representation Learningcited by 19
- 2021Modeling Techniques for Machine Learning Fairness: A Surveycited by 17
- 2023FRAPPE: A Group Fairness Framework for Post-Processing Everythingcited by 16
- 2023Fair Decision-making Under Uncertaintycited by 15
- 2021Towards Equity and Algorithmic Fairness in Student Grade Predictioncited by 13
- 2022FIFA: Making Fairness More Generalizable in Classifiers Trained on Imbalanced Datacited by 13
- 2022Speciesist bias in AI -- How AI applications perpetuate discrimination and unfair outcomes against animalscited by 11
- 2021Equality of opportunity in travel behavior prediction with deep neural networks and discrete choice modelscited by 10
- 2022Fairness and Bias in Robot Learningcited by 10
- 2024Watching the Watchers: Exposing Gender Disparities in Machine Translation Quality Estimationcited by 10
- 2021Measuring Fairness Under Unawareness of Sensitive Attributes: A Quantification-Based Approachcited by 9
- 2022Stochastic Methods for AUC Optimization subject to AUC-based Fairness Constraintscited by 9
- 2023In the Name of Fairness: Assessing the Bias in Clinical Record De-identificationcited by 9
- 2024FairSample: Training Fair and Accurate Graph Convolutional Neural Networks Efficientlycited by 8
- 2021Measuring Model Fairness under Noisy Covariates: A Theoretical Perspectivecited by 7
- 2023Travel Demand Forecasting: A Fair AI Approachcited by 7
- 2023Disentangling and Operationalizing AI Fairness at LinkedIncited by 7
- 2023Toward Operationalizing Pipeline-aware ML Fairness: A Research Agenda for Developing Practical Guidelines and Toolscited by 7
- 2025Evaluating the Promise and Pitfalls of LLMs in Hiring Decisionscited by 7
- 2024Fairness without Sensitive Attributes via Knowledge Sharingcited by 6
- 2021Machine Learning for Fraud Detection in E-Commerce: A Research Agendacited by 5
- 2023Bipartite Ranking Fairness through a Model Agnostic Ordering Adjustmentcited by 5
- 2023Fairness Hacking: The Malicious Practice of Shrouding Unfairness in Algorithmscited by 5
- 2024On the Inductive Biases of Demographic Parity-based Fair Learning Algorithmscited by 5
- 2022Fairness via In-Processing in the Over-parameterized Regime: A Cautionary Talecited by 4
- 2023Towards Fair Patient-Trial Matching via Patient-Criterion Level Fairness Constraintcited by 4
- 2023Fairness-enhancing mixed effects deep learning improves fairness on in- and out-of-distribution clustered (non-iid) datacited by 3
- 2023Fairness-Enhancing Vehicle Rebalancing in the Ride-hailing Systemcited by 3
- 2024Regulation Games for Trustworthy Machine Learningcited by 3
- 2024Inducing Group Fairness in Prompt-Based Language Model Decisionscited by 3
- 2022Unsupervised Learning of Unbiased Visual Representationscited by 2
- 2023On the Within-Group Fairness of Screening Classifierscited by 2
- 2023Machine Learning practices and infrastructurescited by 2
50 most cited of 70 All 70 (JSON)
- 2026What We Know about Responsible AI Practices in Industry: A Half Decade of Empirical Research11 Aug 2026
- 2026Ensemble Diversity Optimization for Subjective Supervision9 Jul 2026
- 2026A Generalised Exponentiated Gradient Approach to Enhance Fairness in Binary and Multi-class Classification Tasks22 Mar 2026
- 2026Ethical Fairness in Ubiquitous Health Sensing without Known Attributes10 Mar 2026
- 2025IFFair: Influence Function-driven Sample Reweighting for Fair Classification8 Dec 2025
- 2025Toward Unifying Group Fairness Evaluation from a Sparsity Perspective1 Nov 2025
- 2025An Analysis of the New EU AI Act and A Proposed Standardization Framework for Machine Learning Fairness30 Sep 2025
- 2025Machine Learning with Multitype Protected Attributes: Intersectional Fairness through Regularisation9 Sep 2025
- 2025Evaluating the Promise and Pitfalls of LLMs in Hiring Decisions2 Jul 2025
- 2025Critical Appraisal of Fairness Metrics in Clinical Predictive AI20 Jun 2025
- 2025Fairness-in-the-Workflow: How Machine Learning Practitioners at Big Tech Companies Approach Fairness in Recommender Systems26 May 2025
- 2025Empirical Analysis of Privacy-Fairness-Accuracy Trade-offs in Federated Learning: A Step Towards Responsible AI20 Mar 2025
38 more
- 2025pFedFair: Towards Optimal Group Fairness-Accuracy Trade-off in Heterogeneous Federated Learning19 Mar 2025
- 2024Debias-CLR: A Contrastive Learning Based Debiasing Method for Algorithmic Fairness in Healthcare Applications15 Nov 2024
- 2024Watching the Watchers: Exposing Gender Disparities in Machine Translation Quality Estimation14 Oct 2024
- 2024Fairness without Sensitive Attributes via Knowledge Sharing27 Sep 2024
- 2024Outlier Detection Bias Busted: Understanding Sources of Algorithmic Bias through Data-centric Factors24 Aug 2024
- 2024Inducing Group Fairness in Prompt-Based Language Model Decisions24 Jun 2024
- 2024On the Inductive Biases of Demographic Parity-based Fair Learning Algorithms28 Feb 2024
- 2024Regulation Games for Trustworthy Machine Learning5 Feb 2024
- 2024FairSample: Training Fair and Accurate Graph Convolutional Neural Networks Efficiently26 Jan 2024
- 2023Fairness-Enhancing Vehicle Rebalancing in the Ride-hailing System29 Dec 2023
- 2023TrojFair: Trojan Fairness Attacks16 Dec 2023
- 2023FRAPPE: A Group Fairness Framework for Post-Processing Everything5 Dec 2023
- 2023Fairness Hacking: The Malicious Practice of Shrouding Unfairness in Algorithms12 Nov 2023
- 2023The Fairness Stitch: Unveiling the Potential of Model Stitching in Neural Network De-Biasing6 Nov 2023
- 2023Fairness-enhancing mixed effects deep learning improves fairness on in- and out-of-distribution clustered (non-iid) data4 Oct 2023
- 2023Toward Operationalizing Pipeline-aware ML Fairness: A Research Agenda for Developing Practical Guidelines and Tools29 Sep 2023
- 2023A Survey on Popularity Bias in Recommender Systems2 Aug 2023
- 2023Bipartite Ranking Fairness through a Model Agnostic Ordering Adjustment27 Jul 2023
- 2023Machine Learning practices and infrastructures13 Jul 2023
- 2023Towards A Scalable Solution for Improving Multi-Group Fairness in Compositional Classification11 Jul 2023
- 2023Towards Assumption-free Bias Mitigation9 Jul 2023
- 2023Disentangling and Operationalizing AI Fairness at LinkedIn30 May 2023
- 2023In the Name of Fairness: Assessing the Bias in Clinical Record De-identification18 May 2023
- 2023Assessing Perceived Fairness from Machine Learning Developer's Perspective7 Apr 2023
- 2023Towards Fair Patient-Trial Matching via Patient-Criterion Level Fairness Constraint24 Mar 2023
- 2023Travel Demand Forecasting: A Fair AI Approach3 Mar 2023
- 2023On the Within-Group Fairness of Screening Classifiers31 Jan 2023
- 2023Fair Decision-making Under Uncertainty29 Jan 2023
- 2022Stochastic Methods for AUC Optimization subject to AUC-based Fairness Constraints23 Dec 2022
- 2022Efficient Conditionally Invariant Representation Learning16 Dec 2022
- 2022Unbiased Supervised Contrastive Learning10 Nov 2022
- 2022Bias Mitigation for Machine Learning Classifiers: A Comprehensive Survey14 Jul 2022
- 2022Fairness and Bias in Robot Learning7 Jul 2022
- 2022Fairness via In-Processing in the Over-parameterized Regime: A Cautionary Tale29 Jun 2022
- 2022FIFA: Making Fairness More Generalizable in Classifiers Trained on Imbalanced Data6 Jun 2022
- 2022Fairness in Recommendation: Foundations, Methods and Applications26 May 2022
- 2022A Survey on Fairness for Machine Learning on Graphs11 May 2022
- 2022Unsupervised Learning of Unbiased Visual Representations26 Apr 2022
50 newest of 70 All 70 (JSON)
- 2022Bias Mitigation for Machine Learning Classifiers: A Comprehensive Surveycited by 125
- 2021Quantifying Social Biases in NLP: A Generalization and Empirical Comparison of Extrinsic Fairness Metricscited by 83
- 2021Addressing Algorithmic Disparity and Performance Inconsistency in Federated Learningcited by 50
- 2021A Step Toward More Inclusive People Annotations for Fairnesscited by 46
- 2023A Survey on Popularity Bias in Recommender Systemscited by 42
- 2022Unbiased Supervised Contrastive Learningcited by 40
- 2021FARF: A Fair and Adaptive Random Forests Classifiercited by 37
- 2022Representation Bias in Data: A Survey on Identification and Resolution Techniquescited by 37
- 2021Understanding and Improving Fairness-Accuracy Trade-offs in Multi-Task Learningcited by 34
- 2022Fairness in Recommendation: Foundations, Methods and Applicationscited by 27
- 2021Outlining Traceability: A Principle for Operationalizing Accountability in Computing Systemscited by 26
- 2021A Stochastic Optimization Framework for Fair Risk Minimizationcited by 26
12 most cited of 70 All 70 (JSON)
- 2026What We Know about Responsible AI Practices in Industry: A Half Decade of Empirical Research11 Aug 2026
- 2026Ensemble Diversity Optimization for Subjective Supervision9 Jul 2026
- 2026A Generalised Exponentiated Gradient Approach to Enhance Fairness in Binary and Multi-class Classification Tasks22 Mar 2026
- 2026Ethical Fairness in Ubiquitous Health Sensing without Known Attributes10 Mar 2026
- 2025IFFair: Influence Function-driven Sample Reweighting for Fair Classification8 Dec 2025
- 2025Toward Unifying Group Fairness Evaluation from a Sparsity Perspective1 Nov 2025
- 2025An Analysis of the New EU AI Act and A Proposed Standardization Framework for Machine Learning Fairness30 Sep 2025
- 2025Machine Learning with Multitype Protected Attributes: Intersectional Fairness through Regularisation9 Sep 2025
- 2025Evaluating the Promise and Pitfalls of LLMs in Hiring Decisions2 Jul 2025
- 2025Critical Appraisal of Fairness Metrics in Clinical Predictive AI20 Jun 2025
- 2025Fairness-in-the-Workflow: How Machine Learning Practitioners at Big Tech Companies Approach Fairness in Recommender Systems26 May 2025
- 2025Empirical Analysis of Privacy-Fairness-Accuracy Trade-offs in Federated Learning: A Step Towards Responsible AI20 Mar 2025
12 newest of 70 All 70 (JSON)