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Related papers: Hierarchically Fair Federated Learning

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Personalized federated learning (FL) facilitates collaborations between multiple clients to learn personalized models without sharing private data. The mechanism mitigates the statistical heterogeneity commonly encountered in the system,…

Machine Learning · Computer Science 2022-09-23 Zichen Ma , Yu Lu , Wenye Li , Shuguang Cui

At the intersection of the cutting-edge technologies and privacy concerns, Federated Learning (FL) with its distributed architecture, stands at the forefront in a bid to facilitate collaborative model training across multiple clients while…

Machine Learning · Computer Science 2025-09-03 Noorain Mukhtiar , Adnan Mahmood , Quan Z. Sheng

Federated learning (FL) allows agents to jointly train a global model without sharing their local data. However, due to the heterogeneous nature of local data, it is challenging to optimize or even define fairness of the trained global…

Machine Learning · Computer Science 2023-11-17 Wenda Chu , Chulin Xie , Boxin Wang , Linyi Li , Lang Yin , Arash Nourian , Han Zhao , Bo Li

Federated learning (FL) is an emerging technique that trains massive and geographically distributed edge data while maintaining privacy. However, FL has inherent challenges in terms of fairness and computational efficiency due to the rising…

Machine Learning · Computer Science 2023-04-28 Yingchun Wang , Jingcai Guo , Jie Zhang , Song Guo , Weizhan Zhang , Qinghua Zheng

Federated learning is an emerging decentralized machine learning scheme that allows multiple data owners to work collaboratively while ensuring data privacy. The success of federated learning depends largely on the participation of data…

Machine Learning · Computer Science 2022-09-19 Zhenan Fan , Huang Fang , Zirui Zhou , Jian Pei , Michael P. Friedlander , Changxin Liu , Yong Zhang

Federated Learning (FL) enables distributed training by learners using local data, thereby enhancing privacy and reducing communication. However, it presents numerous challenges relating to the heterogeneity of the data distribution, device…

Machine Learning · Computer Science 2022-11-07 Ahmed M. Abdelmoniem , Atal Narayan Sahu , Marco Canini , Suhaib A. Fahmy

The longstanding goals of federated learning (FL) require rigorous privacy guarantees and low communication overhead while holding a relatively high model accuracy. However, simultaneously achieving all the goals is extremely challenging.…

Machine Learning · Computer Science 2021-06-02 He Yang

Federated Learning (FL) is an evolving distributed machine learning approach that safeguards client privacy by keeping data on edge devices. However, the variation in data among clients poses challenges in training models that excel across…

Machine Learning · Computer Science 2025-03-04 Yongxin Guo , Xiaoying Tang , Tao Lin

Restrictive rules for data sharing in many industries have led to the development of federated learning. Federated learning is a machine-learning technique that allows distributed clients to train models collaboratively without the need to…

Computers and Society · Computer Science 2023-09-07 Joaquin Delgado Fernandez , Martin Brennecke , Tom Barbereau , Alexander Rieger , Gilbert Fridgen

Federated Learning (FL) is a distributed machine learning strategy, developed for settings where training data is owned by distributed devices and cannot be shared. FL circumvents this constraint by carrying out model training in…

Machine Learning · Computer Science 2025-01-24 Maria Hartmann , Grégoire Danoy , Pascal Bouvry

In Federated Learning (FL), the distributed nature and heterogeneity of client data present both opportunities and challenges. While collaboration among clients can significantly enhance the learning process, not all collaborations are…

Machine Learning · Computer Science 2024-07-18 Nazarii Tupitsa , Samuel Horváth , Martin Takáč , Eduard Gorbunov

Fair prediction across protected groups is an important constraint for many federated learning applications. However, prior work studying group fair federated learning lacks formal convergence or fairness guarantees. In this work we propose…

Machine Learning · Computer Science 2022-10-14 Shengyuan Hu , Zhiwei Steven Wu , Virginia Smith

Recent advances in Federated Learning (FL) have brought large-scale collaborative machine learning opportunities for massively distributed clients with performance and data privacy guarantees. However, most current works focus on the…

Machine Learning · Computer Science 2023-04-12 Yuxin Shi , Han Yu , Cyril Leung

Although Federated Learning (FL) promises privacy and distributed collaboration, its effectiveness in real-world scenarios is often hampered by the stochastic heterogeneity of clients and unpredictable system dynamics. Existing static…

Multiagent Systems · Computer Science 2026-04-07 Rafael O. Jarczewski , Gabriel U. Talasso , Leandro Villas , Allan M. de Souza

Heterogeneity in federated learning (FL) is a critical and challenging aspect that significantly impacts model performance and convergence. In this paper, we propose a novel framework by formulating heterogeneous FL as a hierarchical…

Optimization and Control · Mathematics 2025-09-11 Yuyang Qiu , Kibaek Kim , Farzad Yousefian

Collaborative fairness stands as an essential element in federated learning to encourage client participation by equitably distributing rewards based on individual contributions. Existing methods primarily focus on adjusting gradient…

Machine Learning · Computer Science 2024-05-29 Zihui Wang , Zheng Wang , Lingjuan Lyu , Zhaopeng Peng , Zhicheng Yang , Chenglu Wen , Rongshan Yu , Cheng Wang , Xiaoliang Fan

Federated Learning has become an important learning paradigm due to its privacy and computational benefits. As the field advances, two key challenges that still remain to be addressed are: (1) system heterogeneity - variability in the…

Machine Learning · Computer Science 2022-06-02 Disha Makhija , Nhat Ho , Joydeep Ghosh

Federated learning, an emerging machine learning paradigm, enables clients to collaboratively train a model without exchanging local data. Clients participating in the training process significantly impact the convergence rate, learning…

Machine Learning · Computer Science 2024-08-30 Fares Fourati , Salma Kharrat , Vaneet Aggarwal , Mohamed-Slim Alouini , Marco Canini

Federated Learning (FL) is a learning paradigm that protects privacy by keeping client data on edge devices. However, optimizing FL in practice can be difficult due to the diversity and heterogeneity of the learning system. Despite recent…

Machine Learning · Computer Science 2023-02-21 Yongxin Guo , Tao Lin , Xiaoying Tang

Despite some promising results in federated learning using game-theoretical methods, most existing studies mainly employ a one-level game in either a cooperative or competitive environment, failing to capture the complex dynamics among…

Computer Science and Game Theory · Computer Science 2024-12-23 Xiaobing Chen , Xiangwei Zhou , Songyang Zhang , Mingxuan Sun