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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,695 papers · 148 categories

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3876114152 · Jun 202019922001200920172026
48 results for fairness gap

A new algorithm COVA-FC improves subgroup-fair clustering efficiency.

problem Challenges in making cluster assignments independent of sensitive attributes in subgroups.
method Defining a subgroup-fairness gap, deriving a covariance-based surrogate, and introducing a continuous relaxation for efficient optimization.
result COVA-FC achieves competitive cost-fairness trade-offs and improves computational efficiency.

New algorithm tackles subgroup fairness in AI with multiple sensitive attributes.

problem Heavy computational burdens and data sparsity in subgroup fairness for multiple sensitive attributes.
method Doubly Regressing Adversarial learning (DRAF) for subgroup fairness, focusing on subgroups with sufficient sample sizes and marginal fairness.
result DRAF algorithm reduces a surrogate fairness gap for supIPM with less computation than directly reducing supIPM.

This paper evaluates fairness in deep metric learning and proposes a method to reduce subgroup performance gaps.

problem The negative impact of deep metric learning representations on minority subgroup performance in downstream tasks.
method Definition of fairness in DML through inter-class, intra-class, and uniformity properties; finDML benchmark; Partial Attribute De-correlation (PARADE) method.
result Bias in DML representations propagates to downstream tasks, even with balanced training data.

Improved approximation for socially fair clustering with p\ell_p-objective.

problem Finding a set of centers minimizing the maximum distance to all points in each group.
method Introduced a strengthened LP relaxation with an integrality gap of Θ(logloglog)\Theta(\frac{\log \ell}{\log\log\ell}).
result Improved approximation algorithm with (eO(p)logloglog)(e^{O(p)} \frac{\log \ell}{\log\log\ell})-approximation.

Improves group fairness in tensor completion by augmenting tensors with balanced entities.

problem Preventing discrimination in tensor decomposition based on social grounds.
method STAFF (Sparse Tensor Augmentation For Fairness) which augments tensors with balanced entities to mitigate imbalance and bias.
result Consistently shows the best trade-off between completion error and group fairness, reducing errors by 36% and 59% respectively.

Fair machine learning models can be vulnerable to adversarial attacks that reduce their accuracy and fairness.

problem Fairness constraints in machine learning models can compromise their robustness against adversarial attacks.
method Analysis of data poisoning attacks on group-based fair machine learning models, focusing on equalized odds.
result Adversaries can significantly reduce the test accuracy of fair machine learning models and widen their fairness gap.

A new method for fair PCA ensures balanced error across groups.

problem Balancing approximation error across different groups in multi-group data.
method Iterative method to compute fair principal components minimizing max group-wise reconstruction error.
result Preserves the containment property of standard PCA and reduces to standard PCA for single-group data.

The paper proposes a method to balance fairness and prediction accuracy by adjusting data representations.

problem Machine learning models can inherit and amplify historical biases, leading to unfair outcomes.
method The paper uses subspace decomposition and influence analysis to control the fairness-utility trade-off.
result The method effectively improves fairness while preserving predictive performance.

The paper connects counterfactual fairness to robust prediction and group fairness using causal context.

problem The challenge of ensuring fairness in AI systems when counterfactuals cannot be directly observed.
method Using causal context to bridge counterfactual fairness, robust prediction, and group fairness.
result Counterfactual fairness is equivalent to group fairness metrics in specific contexts.

Develops a method for fairness in multi-task learning using Wasserstein barycenters.

problem Extending fairness to multi-task learning with shared representations.
method Definition of Strong Demographic Parity extended to multi-task learning using multi-marginal Wasserstein barycenters. Closed form solution for optimal fair predictor.
result Empirical results show practical value of post-processing methodology in promoting fair decision-making.

New fair regression method improves fairness in chronic kidney disease classification.

problem Mitigating societal bias in health care for multiple groups.
method Penalized fair regression framework for multiple groups, with penalties for true positive rate disparity.
result Achieves fairness-accuracy frontier beyond existing methods in simulations and real-world data.

Past literature has been effective in demonstrating ideological gaps in machine learning (ML) fairness definitions when considering their use in complex socio-technical systems. However, we go further to demonstrate that these definitions often misunderstand the legal concepts from which they purport to be inspired, an…

2019-11-25abs ↗pdf ↗

This paper surveys fairness notions in ML and recommends the most suitable one for real-world scenarios.

problem Ensuring ML systems do not discriminate against specific individuals or sub-populations.
method Identifying fairness-related characteristics of real-world scenarios and analyzing the behavior of fairness notions.
result A decision diagram to recommend the most suitable fairness notion for specific setups.

Proposes a method to create fair ITRs that balance value and fairness.

problem Fairness issues in ITRs that can lead to unfair advantages or disadvantages.
method Optimal transport theory to transform optimal ITRs into fair ITRs.
result Established a theoretical upper bound on value loss for improved trade-off ITRs.

FairACE improves fairness in GNNs by balancing node performance across degree groups.

problem Degree biases in GNNs lead to unequal prediction performance among nodes with varying degrees.
method Integrates asymmetric contrastive learning with adversarial training to balance performance between high-degree and low-degree nodes.
result Significantly improves degree fairness metrics while maintaining competitive accuracy.

Benchmark assesses fairness in algorithmic uncertainty, revealing consistent and calibrated estimates improve fairness.

problem Challenges in managing uncertainty in fairness evaluations for predictive algorithms.
method Introduces FairlyUncertain, an axiomatic benchmark for evaluating uncertainty in fairness.
result Consistent and calibrated uncertainty estimates improve fairness without explicit fairness interventions.

Researchers study fairness-accuracy tradeoffs in predictive models for multiple groups.

problem Understanding the tradeoff between fairness and accuracy in models serving multiple demographic groups.
method Characterizing the fairness-accuracy (FA) Pareto frontier, approximating it from limited data, and bounding the worst-case gap.
result Derivation of worst-case-optimal estimators and uniform finite-sample bounds for the entire FA frontier.

Introduces FairCOCCO for fair learning with multitype, multivariate sensitive attributes.

problem Fairness in machine learning with multiple, complex sensitive attributes.
method FairCOCCO measure based on cross-covariance operators, incorporating a regularisation term.
result Consistent improvements in balancing fairness and predictive power on real-world datasets.

Unified framework for fair regression in aware and unaware settings.

problem Lack of principled methods for fair regression in unawareness settings.
method Formulated as an optimal transport problem, unifying aware and unaware settings.
result Characterizes optimal prediction functions via optimal transport maps under different penalties.

Paper analyzes trade-offs between fairness, privacy, and accuracy using Chernoff Information.

problem The relationship between fairness and privacy in machine learning.
method Utilizes Chernoff Information to characterize trade-offs, proposes Chernoff Difference and Noisy Chernoff Difference, develops CINE for neural estimation.
result Shows three distinct behaviors of Noisy Chernoff Difference based on data distribution.

We introduce the study of fairness in multi-armed bandit problems. Our fairness definition can be interpreted as demanding that given a pool of applicants (say, for college admission or mortgages), a worse applicant is never favored over a better one, despite a learning algorithm's uncertainty over the true payoffs. We…

2016-05-23abs ↗pdf ↗

Proposes a fairness criterion for multi-objective optimization in classification.

problem Ensuring fairness in classification models across different groups.
method Formulates a minimax Pareto fairness criterion and provides an optimization algorithm.
result Demonstrates improved fairness compared to existing methods on various real-world datasets.

Kearns et al. [2018] recently proposed a notion of rich subgroup fairness intended to bridge the gap between statistical and individual notions of fairness. Rich subgroup fairness picks a statistical fairness constraint (say, equalizing false positive rates across protected groups), but then asks that this constraint h…

2018-08-24abs ↗pdf ↗

A method for fair representation learning through bi-level optimization and implicit differentiation.

problem Ensuring fair predictors invariant across sub-groups.
method Bi-level optimization with inner-loop for invariant predictors, implicit path alignment for efficiency.
result Consistently better trade-off in prediction performance and fairness measurement.

We propose a fair principal component analysis method that balances reconstruction error and subgroup fairness.

problem Fairness and robustness in principal component analysis for consequential domains.
method Distributionally robust optimization over the Stiefel manifold with a Riemannian subgradient descent.
result The proposed method achieves better performance on real-world datasets compared to state-of-the-art baselines.

The study quantifies and compares aleatoric and epistemic discrimination in ML models.

problem Sources of discrimination in ML models and their impact on performance.
method Quantifying aleatoric and epistemic discrimination using statistical experiments and model accuracy.
result State-of-the-art fairness interventions are effective at removing epistemic discrimination but not aleatoric discrimination in datasets with missing values.

The paper introduces a model to measure ASR fairness, addressing key issues.

problem Measuring fairness in ASR systems for different subgroups.
method Mixed-effects Poisson regression to control nuisance factors and handle unobserved heterogeneity.
result The method effectively addresses WER gaps among subgroups and is flexible for practical analyses.

This paper examines fairness and arbitrariness in bias mitigation methods.

problem Understanding how different bias mitigation strategies affect individual predictions and whether they introduce arbitrariness.
method FRAME framework to evaluate bias mitigation through five dimensions: Impact Size, Change Direction, Decision Rates, Affected Subpopulations, and Neglected Subpopulations.
result Significant differences in the behaviors of debiasing methods were exhibited, highlighting the limitations of current fairness criteria and the inherent arbitrariness in the debiasing process.

New method mitigates bias without sensitive data using causal graph and variational autoencoder.

problem Lack of fairness strategies when sensitive attributes are not collected.
method SRCVAE framework based on causal graph for inferring a proxy sensitive attribute.
result Significant improvements in fairness metrics over existing methods.

The paper explores the tradeoff between fairness and accuracy in regression models.

problem Characterizing the tradeoff between fairness and accuracy in regression models.
method Provided a lower bound on the error of any fair regressor and extended the result to joint error using Wasserstein distance.
result Lower bounds on the error of fair regressors and their connection to Wasserstein distance.

Study evaluates fairness of machine learning models on Kaggle and finds some optimization techniques can induce unfairness.

problem Ensuring fairness of machine learning models used in important decisions.
method Empirical evaluation of 40 top-rated models from Kaggle on 5 tasks, applying 7 mitigation techniques.
result Some model optimization techniques induce unfairness; mitigation in pre-processing is preferred.

DQ4FairIM uses RL to maximize influence while ensuring fairness across all groups.

problem Fairness in influence maximization in social networks.
method Fairness-aware deep RL method using Structure2Vec network embedding.
result DQ4FairIM achieves higher fairness than fairness-agnostic and fairness-aware baselines.

The paper shows how to use proxy attributes for fairness in machine learning models with missing sensitive group data.

problem Measuring and enforcing fairness in machine learning models with incomplete sensitive group data.
method Using proxy-sensitive attributes to derive upper bounds on multiaccuracy and multicalibration violations and adjust models to satisfy these fairness notions.
result Provable upper bounds on multiaccuracy and multicalibration violations can be derived using proxy-sensitive attributes in the absence of sensitive group data.

CCI combines Bayesian and gradient boosting to create fair, reliable credit risk scores.

problem Tackles high-stakes lending decisions with changing data distributions and fairness constraints.
method Combines Bayesian neural risk scorer and fairness-constrained gradient boosting with shift-aware fusion.
result CCI achieves best trade-off between discrimination, calibration, stability, and fairness.

In data summarization we want to choose kk prototypes in order to summarize a data set. We study a setting where the data set comprises several demographic groups and we are restricted to choose kik_i prototypes belonging to group ii. A common approach to the problem without the fairness constraint is to optimize a c…

2019-01-24abs ↗pdf ↗

Study shows disentanglement models learn correlations from data, impacting fairness.

problem Disentanglement models learn correlations in real-world data, affecting downstream applications.
method Empirical study on 4260 models, analyzing correlations in latent representations.
result Systematically induced correlations are learned by disentanglement models, impacting fairness.

Unified framework improves fair classification by selecting representative data points.

problem Improving fair classification outcomes in the presence of unintentional biases.
method Develops a unified framework to jointly optimize accuracy and fairness, recasting as mixed-integer convex programs.
result The framework can be used to enhance classification fairness by selecting more representative data points.