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Federated learning (FL) is a decentralized machine learning technique that enables multiple clients to collaboratively train models without requiring clients to reveal their raw data to each other. Although traditional FL trains a single…

Machine Learning · Computer Science 2023-11-22 Junki Mori , Tomoyuki Yoshiyama , Furukawa Ryo , Isamu Teranishi

Federated learning (FL) is an emerging machine learning paradigm in which a central server coordinates multiple participants (clients) collaboratively to train on decentralized data. In practice, FL often faces statistical, system, and…

Machine Learning · Computer Science 2024-02-13 Liping Yi , Han Yu , Gang Wang , Xiaoguang Liu , Xiaoxiao Li

Large language models (LLMs) have emerged as important components across various fields, yet their training requires substantial computation resources and abundant labeled data. It poses a challenge to robustly training LLMs for individual…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-13 Jiaxing QI , Zhongzhi Luan , Shaohan Huang , Carol Fung , Hailong Yang , Depei Qian

Federated learning (FL) aims to train machine learning (ML) models collaboratively using decentralized data, bypassing the need for centralized data aggregation. Standard FL models often assume that all data come from the same unknown…

Machine Learning · Computer Science 2025-03-25 Wen Bai , Yi Wong , Xiao Qiao , Chin Pang Ho

Federated Learning (FL) facilitates collaborative training of a shared global model without exposing clients' private data. In practical FL systems, clients (e.g., edge servers, smartphones, and wearables) typically have disparate system…

Machine Learning · Computer Science 2025-03-03 Leming Shen , Qiang Yang , Kaiyan Cui , Yuanqing Zheng , Xiao-Yong Wei , Jianwei Liu , Jinsong Han

Federated Learning (FL) facilitates collaborative model training across decentralized clients while preserving data privacy by avoiding raw data exchange. Despite its potential, FL performance is often compromised by data heterogeneity…

Machine Learning · Computer Science 2026-05-12 Qijun Hou , Yuchen Shi , Pingyi Fan , Khaled B. Letaief

We propose \texttt{FedGLOMO}, a novel federated learning (FL) algorithm with an iteration complexity of $\mathcal{O}(\epsilon^{-1.5})$ to converge to an $\epsilon$-stationary point (i.e., $\mathbb{E}[\|\nabla f(\bm{x})\|^2] \leq \epsilon$)…

Machine Learning · Statistics 2021-10-26 Rudrajit Das , Anish Acharya , Abolfazl Hashemi , Sujay Sanghavi , Inderjit S. Dhillon , Ufuk Topcu

Federated Learning (FL) seeks to distribute model training across local clients without collecting data in a centralized data-center, hence removing data-privacy concerns. A major challenge for FL is data heterogeneity (where each client's…

Machine Learning · Computer Science 2022-09-22 Junjiao Tian , James Seale Smith , Zsolt Kira

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

In federated learning (FL), multiple clients collaborate to train machine learning models together while keeping their data decentralized. Through utilizing more training data, FL suffers from the potential negative transfer problem: the…

Machine Learning · Computer Science 2023-06-13 Wenxuan Bao , Haohan Wang , Jun Wu , Jingrui He

Federated learning (FL) is increasingly adopted in domains like healthcare, where data privacy is paramount. A fundamental challenge in these systems is statistical heterogeneity-the fact that data distributions vary significantly across…

Machine Learning · Computer Science 2026-02-12 Zijian Wang , Xiaofei Zhang , Xin Zhang , Yukun Liu , Qiong Zhang

Federated Learning (FL) is a distributed training paradigm that enables clients scattered across the world to cooperatively learn a global model without divulging confidential data. However, FL faces a significant challenge in the form of…

Machine Learning · Computer Science 2023-11-16 Xidong Wu , Wan-Yi Lin , Devin Willmott , Filipe Condessa , Yufei Huang , Zhenzhen Li , Madan Ravi Ganesh

Federated Learning (FL) enables a group of clients to jointly train a machine learning model with the help of a centralized server. Clients do not need to submit their local data to the server during training, and hence the local training…

Machine Learning · Computer Science 2023-01-10 Liling Zhang , Xinyu Lei , Yichun Shi , Hongyu Huang , Chao Chen

Federated Learning (FL) has emerged as a powerful paradigm for decentralized machine learning, enabling collaborative model training across diverse clients without sharing raw data. However, traditional FL approaches often face limitations…

Machine Learning · Computer Science 2025-10-22 Ali Forootani , Raffaele Iervolino

Federated learning (FL) is a privacy-preserving distributed machine learning paradigm that enables collaborative training among geographically distributed and heterogeneous devices without gathering their data. Extending FL beyond the…

Machine Learning · Computer Science 2023-04-04 Jin Wang , Jia Hu , Jed Mills , Geyong Min , Ming Xia

Federated learning (FL) is a highly pursued machine learning technique that can train a model centrally while keeping data distributed. Distributed computation makes FL attractive for bandwidth limited applications especially in wireless…

Machine Learning · Computer Science 2020-06-24 Xiang Ma , Haijian Sun , Rose Qingyang Hu

Federated learning (FL) is a rapidly growing privacy-preserving collaborative machine learning paradigm. In practical FL applications, local data from each data silo reflect local usage patterns. Therefore, there exists heterogeneity of…

Machine Learning · Computer Science 2022-02-01 Shenglai Zeng , Zonghang Li , Hongfang Yu , Yihong He , Zenglin Xu , Dusit Niyato , Han Yu

Federated learning (FL) is an emerging machine learning paradigm that allows to accomplish model training without aggregating data at a central server. Most studies on FL consider a centralized framework, in which a single server is endowed…

Machine Learning · Computer Science 2023-03-22 Bin Wang , Jun Fang , Hongbin Li , Xiaojun Yuan , Qing Ling

Federated Learning (FL) enables decentralised model training across distributed clients without requiring data centralisation. However, the generalisation performance of the global model is usually degraded by data heterogeneity across…

Machine Learning · Computer Science 2026-05-11 Ozgu Goksu , Nicolas Pugeault

Traditional federated learning (FL) methods have limited support for clients with varying computational and communication abilities, leading to inefficiencies and potential inaccuracies in model training. This limitation hinders the…

Machine Learning · Computer Science 2024-06-17 Jong-Ik Park , Carlee Joe-Wong