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As machine learning (ML) systems increasingly shape access to credit, jobs, and other opportunities, the fairness of algorithmic decisions has become a central concern. Yet it remains unclear when enforcing fairness constraints in these…

Machine Learning · Statistics 2026-03-10 Yi Yang , Xiangyu Chang , Pei-yu Chen

Machine learning (ML) algorithms have become integral to decision making in various domains, including healthcare, finance, education, and law enforcement. However, concerns about fairness and bias in these systems pose significant ethical…

Machine Learning · Computer Science 2024-12-18 Ahmed Rashed , Abdelkrim Kallich , Mohamed Eltayeb

Although several fairness definitions and bias mitigation techniques exist in the literature, all existing solutions evaluate fairness of Machine Learning (ML) systems after the training stage. In this paper, we take the first steps towards…

Machine Learning · Computer Science 2024-01-17 Arumoy Shome , Luis Cruz , Arie van Deursen

Machine learning based systems are reaching society at large and in many aspects of everyday life. This phenomenon has been accompanied by concerns about the ethical issues that may arise from the adoption of these technologies. ML fairness…

Machine Learning · Computer Science 2021-01-01 Luca Oneto , Silvia Chiappa

The evaluation of fairness models in Machine Learning involves complex challenges, such as defining appropriate metrics, balancing trade-offs between utility and fairness, and there are still gaps in this stage. This work presents a novel…

Machine Learning · Computer Science 2026-03-03 Gökhan Özbulak , Oscar Jimenez-del-Toro , Maíra Fatoretto , Lilian Berton , André Anjos

The increasing use of Machine Learning (ML) software can lead to unfair and unethical decisions, thus fairness bugs in software are becoming a growing concern. Addressing these fairness bugs often involves sacrificing ML performance, such…

Software Engineering · Computer Science 2026-03-17 Zichong Wang , Yang Zhou , David Lo , Wenbin Zhang

Fairness is a critical requirement for Machine Learning (ML) software, driving the development of numerous bias mitigation methods. Previous research has identified a leveling-down effect in bias mitigation for computer vision and natural…

Machine Learning · Computer Science 2025-08-06 Zhenpeng Chen , Xinyue Li , Jie M. Zhang , Weisong Sun , Ying Xiao , Tianlin Li , Yiling Lou , Yang Liu

Forming a reliable judgement of a machine learning (ML) model's appropriateness for an application ecosystem is critical for its responsible use, and requires considering a broad range of factors including harms, benefits, and…

Machine Learning · Computer Science 2022-05-12 Ben Hutchinson , Negar Rostamzadeh , Christina Greer , Katherine Heller , Vinodkumar Prabhakaran

While algorithmic fairness is a thriving area of research, in practice, mitigating issues of bias often gets reduced to enforcing an arbitrarily chosen fairness metric, either by enforcing fairness constraints during the optimization step,…

Machine Learning · Computer Science 2023-10-02 Emily Black , Rakshit Naidu , Rayid Ghani , Kit T. Rodolfa , Daniel E. Ho , Hoda Heidari

The field of automated machine learning (AutoML) introduces techniques that automate parts of the development of machine learning (ML) systems, accelerating the process and reducing barriers for novices. However, decisions derived from ML…

As machine learning (ML) systems get adopted in more critical areas, it has become increasingly crucial to address the bias that could occur in these systems. Several fairness pre-processing algorithms are available to alleviate implicit…

The digitalization of credit scoring has become essential for financial institutions and commercial banks, especially in the era of digital transformation. Machine learning techniques are commonly used to evaluate customers'…

Machine Learning · Computer Science 2026-03-06 Huyen Giang Thi Thu , Thang Viet Doan , Ha-Bang Ban , Tai Le Quy

As machine learning (ML) systems are increasingly adopted across industries, addressing fairness and bias has become essential. While many solutions focus on ethical challenges in ML, recent studies highlight that data itself is a major…

Software Engineering · Computer Science 2024-12-23 Gianmario Voria , Rebecca Di Matteo , Giammaria Giordano , Gemma Catolino , Fabio Palomba

Bias in predictive machine learning (ML) models is a fundamental challenge due to the skewed or unfair outcomes produced by biased models. Existing mitigation strategies rely on either post-hoc corrections or rigid constraints. However,…

Machine Learning · Computer Science 2025-07-01 Yash Vardhan Tomar

As more industries integrate machine learning into socially sensitive decision processes like hiring, loan-approval, and parole-granting, we are at risk of perpetuating historical and contemporary socioeconomic disparities. This is a…

Computers and Society · Computer Science 2017-10-20 Niels Bantilan

Machine learning's widespread adoption in decision-making processes raises concerns about fairness, particularly regarding the treatment of sensitive features and potential discrimination against minorities. The software engineering…

Fairness is a critical requirement for human-related, high-stakes software systems, motivating extensive research on bias mitigation. Prior work has largely focused on tabular data settings using traditional Machine Learning (ML) methods.…

Software Engineering · Computer Science 2026-04-15 Xinyue Li , Sixuan Li , Ying Xiao , Jie M. Zhang , Zhou Yang , Xuanzhe Liu , Zhenpeng Chen

Machine learning (ML) is increasingly deployed in real world contexts, supplying actionable insights and forming the basis of automated decision-making systems. While issues resulting from biases pre-existing in training data have been at…

Machine Learning · Computer Science 2018-07-09 Roel Dobbe , Sarah Dean , Thomas Gilbert , Nitin Kohli

This paper investigates the parameter space of machine learning (ML) algorithms in aggravating or mitigating fairness bugs. Data-driven software is increasingly applied in social-critical applications where ensuring fairness is of paramount…

Software Engineering · Computer Science 2022-02-15 Saeid Tizpaz-Niari , Ashish Kumar , Gang Tan , Ashutosh Trivedi

Machine learning models are increasingly being used in important decision-making software such as approving bank loans, recommending criminal sentencing, hiring employees, and so on. It is important to ensure the fairness of these models so…

Machine Learning · Computer Science 2020-09-23 Sumon Biswas , Hridesh Rajan