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Numerous fairness metrics have been proposed and employed by artificial intelligence (AI) experts to quantitatively measure bias and define fairness in AI models. Recognizing the need to accommodate stakeholders' diverse fairness…

Artificial Intelligence · Computer Science 2025-02-11 Lin Luo , Yuri Nakao , Mathieu Chollet , Hiroya Inakoshi , Simone Stumpf

Despite being responsible for state-of-the-art results in several computer vision and natural language processing tasks, neural networks have faced harsh criticism due to some of their current shortcomings. One of them is that neural…

Ensuring fairness in Graph Neural Networks is fundamental to promoting trustworthy and socially responsible machine learning systems. In response, numerous fair graph learning methods have been proposed in recent years. However, most of…

Machine Learning · Computer Science 2025-12-29 Zichong Wang , Zhipeng Yin , Liping Yang , Jun Zhuang , Rui Yu , Qingzhao Kong , Wenbin Zhang

Individual fairness, which requires that similar individuals should be treated similarly by algorithmic systems, has become a central principle in fair machine learning. Individual fairness has garnered traction in graph representation…

Machine Learning · Computer Science 2025-12-23 Rebecca Salganik , Yibin Wang , Guillaume Salha-Galvan , Jian Kang

Fairness has been a significant challenge in graph neural networks (GNNs) since degree biases often result in un-equal prediction performance among nodes with varying degrees. Existing GNN models focus on prediction accuracy, frequently…

Machine Learning · Computer Science 2025-04-16 Jiaxin Liu , Xiaoqian Jiang , Xiang Li , Bohan Zhang , Jing Zhang

Graphs are mathematical tools that can be used to represent complex real-world systems, such as financial markets and social networks. Hence, machine learning (ML) over graphs has attracted significant attention recently. However, it has…

Machine Learning · Computer Science 2023-03-22 O. Deniz Kose , Yanning Shen , Gonzalo Mateos

This paper examines the critical role of Graph Neural Networks (GNNs) in data preparation for generative artificial intelligence (GenAI) systems, with a particular focus on addressing and mitigating biases. We present a comparative analysis…

Machine Learning · Computer Science 2025-03-31 Barbara Hoffmann , Ruben Mayer

Despite enormous successful applications of graph neural networks (GNNs), theoretical understanding of their generalization ability, especially for node-level tasks where data are not independent and identically-distributed (IID), has been…

Machine Learning · Computer Science 2021-12-01 Jiaqi Ma , Junwei Deng , Qiaozhu Mei

Graph Neural Networks (GNNs) often struggle to generalize when graphs exhibit both homophily (same-class connections) and heterophily (different-class connections). Specifically, GNNs tend to underperform for nodes with local homophily…

Machine Learning · Computer Science 2024-10-08 Donald Loveland , Danai Koutra

We study Individual Fairness (IF) for Bayesian neural networks (BNNs). Specifically, we consider the $\epsilon$-$\delta$-individual fairness notion, which requires that, for any pair of input points that are $\epsilon$-similar according to…

Machine Learning · Computer Science 2023-04-24 Alice Doherty , Matthew Wicker , Luca Laurenti , Andrea Patane

Graph neural networks have shown great ability in representation (GNNs) learning on graphs, facilitating various tasks. Despite their great performance in modeling graphs, recent works show that GNNs tend to inherit and amplify the bias…

Machine Learning · Computer Science 2023-08-22 Zhimeng Guo , Jialiang Li , Teng Xiao , Yao Ma , Suhang Wang

In the past few years, Artificial Intelligence (AI) has garnered attention from various industries including financial services (FS). AI has made a positive impact in financial services by enhancing productivity and improving risk…

Driven by the powerful representation ability of Graph Neural Networks (GNNs), plentiful GNN models have been widely deployed in many real-world applications. Nevertheless, due to distribution disparities between different demographic…

Machine Learning · Computer Science 2024-07-17 Zhixun Li , Yushun Dong , Qiang Liu , Jeffrey Xu Yu

Graph Neural Networks (GNNs) have demonstrated remarkable efficacy in tackling a wide array of graph-related tasks across diverse domains. However, a significant challenge lies in their propensity to generate biased predictions,…

Machine Learning · Computer Science 2025-01-03 Abdullah Alchihabi , Yuhong Guo

Like Graph Neural Networks (GNNs), Signed Graph Neural Networks (SGNNs) are also up against fairness issues from source data and typical aggregation method. In this paper, we are pioneering to make the investigation of fairness in SGNNs…

Machine Learning · Computer Science 2024-08-19 Fang He , Jinhai Deng , Ruizhan Xue , Maojun Wang , Zeyu Zhang

The significant advancements in applying Artificial Intelligence (AI) to healthcare decision-making, medical diagnosis, and other domains have simultaneously raised concerns about the fairness and bias of AI systems. This is particularly…

Computers and Society · Computer Science 2024-01-30 Emilio Ferrara

As machine learning algorithms have been widely deployed across applications, many concerns have been raised over the fairness of their predictions, especially in high stakes settings (such as facial recognition and medical imaging). To…

Machine Learning · Computer Science 2021-02-16 Valeriia Cherepanova , Vedant Nanda , Micah Goldblum , John P. Dickerson , Tom Goldstein

Algorithmic fairness has become a central concern in computational decision-making systems, where ensuring equitable outcomes is essential for both ethical and legal reasons. Two dominant notions of fairness have emerged in the literature:…

Machine Learning · Computer Science 2026-02-03 Sandra Benítez-Peña , Blas Kolic , Victoria Menendez , Belén Pulido

Learning fair graph representations for downstream applications is becoming increasingly important, but existing work has mostly focused on improving fairness at the global level by either modifying the graph structure or objective function…

Social and Information Networks · Computer Science 2022-12-26 April Chen , Ryan Rossi , Nedim Lipka , Jane Hoffswell , Gromit Chan , Shunan Guo , Eunyee Koh , Sungchul Kim , Nesreen K. Ahmed

Graph Neural Networks (GNNs) have achieved remarkable success across diverse applications. However, due to the biases in the graph structures, graph neural networks face significant challenges in fairness. Although the original user graph…

Machine Learning · Computer Science 2025-11-04 Jiahua Lu , Huaxiao Liu , Shuotong Bai , Junjie Xu , Renqiang Luo , Enyan Dai