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arxiv_ml 95% Match Research Paper Machine Learning Researchers,Data Scientists,AI Ethicists,Developers of AI Systems 1 month ago

FairContrast: Enhancing Fairness through Contrastive learning and Customized Augmenting Methods on Tabular Data

ai-safety › fairness
📄 Abstract

Abstract: As AI systems become more embedded in everyday life, the development of fair and unbiased models becomes more critical. Considering the social impact of AI systems is not merely a technical challenge but a moral imperative. As evidenced in numerous research studies, learning fair and robust representations has proven to be a powerful approach to effectively debiasing algorithms and improving fairness while maintaining essential information for prediction tasks. Representation learning frameworks, particularly those that utilize self-supervised and contrastive learning, have demonstrated superior robustness and generalizability across various domains. Despite the growing interest in applying these approaches to tabular data, the issue of fairness in these learned representations remains underexplored. In this study, we introduce a contrastive learning framework specifically designed to address bias and learn fair representations in tabular datasets. By strategically selecting positive pair samples and employing supervised and self-supervised contrastive learning, we significantly reduce bias compared to existing state-of-the-art contrastive learning models for tabular data. Our results demonstrate the efficacy of our approach in mitigating bias with minimum trade-off in accuracy and leveraging the learned fair representations in various downstream tasks.

Key Contributions

Introduces a contrastive learning framework specifically designed to address bias and learn fair representations in tabular datasets. It utilizes customized augmenting methods to enhance fairness while preserving essential information for prediction tasks, tackling the underexplored issue of fairness in learned representations for tabular data.

Business Value

Enables the development of more equitable AI systems, reducing discriminatory outcomes in sensitive applications like credit scoring, hiring, and medical diagnosis, thereby enhancing trust and compliance.