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Related papers: Hierarchically Fair Federated Learning

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This work tackles the challenges of data heterogeneity and communication limitations in decentralized federated learning. We focus on creating a collaboration graph that guides each client in selecting suitable collaborators for training…

Machine Learning · Computer Science 2024-06-11 Salma Kharrat , Marco Canini , Samuel Horvath

As a promising paradigm federated Learning (FL) is widely used in privacy-preserving machine learning, which allows distributed devices to collaboratively train a model while avoiding data transmission among clients. Despite its immense…

Machine Learning · Computer Science 2023-08-29 Jinglong Shen , Xiucheng Wang , Nan Cheng , Longfei Ma , Conghao Zhou , Yuan Zhang

Federated learning (FL) enables multiple data owners to build machine learning models collaboratively without exposing their private local data. In order for FL to achieve widespread adoption, it is important to balance the need for…

Machine Learning · Computer Science 2026-05-27 Anran Li , Rui Liu , Ming Hu , Yuanyuan Chen , Shipeng Wang , Lizhen Cui , Han Yu

Cross-silo federated learning (FL) is a typical FL that enables organizations(e.g., financial or medical entities) to train global models on isolated data. Reasonable incentive is key to encouraging organizations to contribute data.…

Machine Learning · Computer Science 2023-02-16 Shijing Yuan , Hongze Liu , Hongtao Lv , Zhanbo Feng , Jie Li , Hongyang Chen , Chentao Wu

While fairness-aware machine learning algorithms have been receiving increasing attention, the focus has been on centralized machine learning, leaving decentralized methods underexplored. Federated Learning is a decentralized form of…

Machine Learning · Computer Science 2023-07-04 Teresa Salazar , Miguel Fernandes , Helder Araujo , Pedro Henriques Abreu

Federated learning enables machine learning algorithms to be trained over a network of multiple decentralized edge devices without requiring the exchange of local datasets. Successfully deploying federated learning requires ensuring that…

Machine Learning · Computer Science 2021-10-27 Meng Zhang , Ermin Wei , Randall Berry

Federated learning (FL) is a collaborative technique for training large-scale models while protecting user data privacy. Despite its substantial benefits, the free-riding behavior raises a major challenge for the formation of FL, especially…

Computer Science and Game Theory · Computer Science 2024-10-17 Jiajun Meng , Jing Chen , Dongfang Zhao , Lin Liu

Federated learning (FL) algorithms commonly aim to maximize clients' accuracy by training a model on their collective data. However, in several FL applications, the model's decisions should meet a group fairness constraint to be independent…

Machine Learning · Computer Science 2025-03-20 Haoyu Lei , Shizhan Gong , Qi Dou , Farzan Farnia

Federated learning involves training statistical models in massive, heterogeneous networks. Naively minimizing an aggregate loss function in such a network may disproportionately advantage or disadvantage some of the devices. In this work,…

Machine Learning · Computer Science 2020-02-18 Tian Li , Maziar Sanjabi , Ahmad Beirami , Virginia Smith

Federated learning provides an effective paradigm to jointly optimize a model benefited from rich distributed data while protecting data privacy. Nonetheless, the heterogeneity nature of distributed data makes it challenging to define and…

Machine Learning · Computer Science 2022-11-07 Bhaskar Ray Chaudhury , Linyi Li , Mintong Kang , Bo Li , Ruta Mehta

Federated learning learns from scattered data by fusing collaborative models from local nodes. However, due to chaotic information distribution, the model fusion may suffer from structural misalignment with regard to unmatched parameters.…

Machine Learning · Computer Science 2022-03-22 Fuxun Yu , Weishan Zhang , Zhuwei Qin , Zirui Xu , Di Wang , Chenchen Liu , Zhi Tian , Xiang Chen

We consider Decision-Focused Federated Learning (DFFL), a predict-then-optimize setting in which multiple clients collaboratively train predictive models for downstream linear optimization problems without exchanging raw data. Besides the…

Optimization and Control · Mathematics 2026-05-19 Konstantinos Ziliaskopoulos , Alexander Vinel

We consider a federated learning (FL) system consisting of multiple clients and a server, where the clients aim to collaboratively learn a common decision model from their distributed data. Unlike the conventional FL framework that assumes…

Machine Learning · Computer Science 2023-05-10 Kun Jin , Tongxin Yin , Zhongzhu Chen , Zeyu Sun , Xueru Zhang , Yang Liu , Mingyan Liu

Federated Learning (FL) has gained prominence as a decentralized machine learning paradigm, allowing clients to collaboratively train a global model while preserving data privacy. Despite its potential, FL faces significant challenges in…

Machine Learning · Computer Science 2025-01-07 Simin Javaherian , Bryce Turney , Li Chen , Nian-Feng Tzeng

Federated learning (FL) is a privacy-preserving machine learning technique that facilitates collaboration among participants across demographics. FL enables model sharing, while restricting the movement of data. Since FL provides…

Machine Learning · Computer Science 2025-10-15 Harsh Kasyap , Minghong Fang , Zhuqing Liu , Carsten Maple , Somanath Tripathy

Personalized Federated Learning (PFL) enables a collection of agents to collaboratively learn individual models without sharing raw data. We propose a new PFL approach in which each agent optimizes a weighted combination of all agents'…

Machine Learning · Computer Science 2026-03-04 Jean-Baptiste Fermanian , Batiste Le Bars , Aurélien Bellet

Federated learning (FL) is an effective mechanism for data privacy in recommender systems by running machine learning model training on-device. While prior FL optimizations tackled the data and system heterogeneity challenges faced by FL,…

Information Retrieval · Computer Science 2022-06-07 Kiwan Maeng , Haiyu Lu , Luca Melis , John Nguyen , Mike Rabbat , Carole-Jean Wu

We investigate how reinforcement learning agents can learn to cooperate. Drawing inspiration from human societies, in which successful coordination of many individuals is often facilitated by hierarchical organisation, we introduce Feudal…

Multiagent Systems · Computer Science 2019-01-28 Sanjeevan Ahilan , Peter Dayan

Federated learning is a setting where agents, each with access to their own data source, combine models from local data to create a global model. If agents are drawing their data from different distributions, though, federated learning…

Computer Science and Game Theory · Computer Science 2020-12-18 Kate Donahue , Jon Kleinberg

Federated Learning rests on the notion of training a global model distributedly on various devices. Under this setting, users' devices perform computations on their own data and then share the results with the cloud server to update the…

Machine Learning · Computer Science 2020-09-15 Rui Hu , Yanmin Gong