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We propose a new optimization formulation for training federated learning models. The standard formulation has the form of an empirical risk minimization problem constructed to find a single global model trained from the private data stored…

Machine Learning · Computer Science 2021-02-15 Filip Hanzely , Peter Richtárik

Federated Learning (FL) has emerged as a promising technique for training language models on distributed and private datasets of diverse tasks. However, aggregating models trained on heterogeneous tasks often degrades the overall…

Machine Learning · Computer Science 2026-04-07 Gabriel U. Talasso , Meghdad Kurmanji , Allan M. de Souza , Nicholas D. Lane , Leandro A. Villas

Federated learning (FL) addresses privacy concerns in training language models by enabling multiple clients to contribute to the training, without sending their data to others. However, non-IID (identically and independently distributed)…

Machine Learning · Computer Science 2025-01-28 Jong-Ik Park , Carlee Joe-Wong

Federated Learning (FL) enables collaborative training of autonomous driving (AD) models across distributed vehicles while preserving data privacy. However, FL encounters critical challenges such as poor generalization and slow convergence…

Robotics · Computer Science 2025-12-09 Wei-Bin Kou , Guangxu Zhu , Bingyang Cheng , Chen Zhang , Yik-Chung Wu , Jianping Wang

Federated Learning (FL), as a distributed learning paradigm, trains models over distributed clients' data. FL is particularly beneficial for distributed training of Diffusion Models (DMs), which are high-quality image generators that…

Machine Learning · Computer Science 2025-07-10 Qianyu Long , Qiyuan Wang , Christos Anagnostopoulos , Daning Bi

Federated Learning (FL) enables collaborative model training across multiple clients without sharing their private data. However, data heterogeneity across clients leads to client drift, which degrades the overall generalization performance…

Machine Learning · Computer Science 2026-03-02 Alina Devkota , Jacob Thrasher , Donald Adjeroh , Binod Bhattarai , Prashnna K. Gyawali

Increasing concerns and regulations about data privacy and sparsity necessitate the study of privacy-preserving, decentralized learning methods for natural language processing (NLP) tasks. Federated learning (FL) provides promising…

The reliance of language model training on massive amounts of computation and vast datasets scraped from potentially low-quality, copyrighted, or sensitive data has come into question practically, legally, and ethically. Federated learning…

Machine Learning · Computer Science 2024-05-28 Alex Iacob , Lorenzo Sani , Bill Marino , Preslav Aleksandrov , William F. Shen , Nicholas Donald Lane

Federated learning (FL) enables collaborative model training across distributed clients while preserving data privacy. However, data and system heterogeneity often cause catastrophic forgetting and unbounded drift in model updates, leading…

Machine Learning · Computer Science 2026-04-28 Taehwan Yoon , Bongjun Choi , Wesley De Neve

Federated learning has emerged as a paradigm for collaborative learning, enabling the development of robust models without the need to centralise sensitive data. However, conventional federated learning techniques have privacy and security…

Machine Learning · Computer Science 2024-07-31 Eugenio Lomurno , Matteo Matteucci

Federated learning (FL) has emerged as the predominant approach for collaborative training of neural network models across multiple users, without the need to gather the data at a central location. One of the important challenges in this…

Machine Learning · Computer Science 2021-07-15 Matthias Reisser , Christos Louizos , Efstratios Gavves , Max Welling

Federated learning (FL) is an emerging machine learning paradigm that allows multiple parties to train a shared model collaboratively in a privacy-preserving manner. Existing horizontal FL methods generally assume that the FL server and…

Machine Learning · Computer Science 2023-08-02 Liping Yi , Gang Wang , Xiaoguang Liu , Zhuan Shi , Han Yu

Federated learning (FL) has emerged as a promising paradigm in machine learning, enabling collaborative model training across decentralized devices without the need for raw data sharing. In FL, a global model is trained iteratively on local…

Machine Learning · Computer Science 2025-04-01 Kanishka Ranaweera , Azadeh Ghari Neiat , Xiao Liu , Bipasha Kashyap , Pubudu N. Pathirana

Traditional federated learning uses the number of samples to calculate the weights of each client model and uses this fixed weight value to fusion the global model. However, in practical scenarios, each client's device and data…

Machine Learning · Computer Science 2024-03-20 Leiming Chen , Weishan Zhang , Cihao Dong , Sibo Qiao , Ziling Huang , Yuming Nie , Zhaoxiang Hou , Chee Wei Tan

A distinguishing characteristic of federated learning is that the (local) client data could have statistical heterogeneity. This heterogeneity has motivated the design of personalized learning, where individual (personalized) models are…

Machine Learning · Computer Science 2022-07-06 Kaan Ozkara , Antonious M. Girgis , Deepesh Data , Suhas Diggavi

Federated Learning (FL) has emerged as a promising paradigm for collaborative model training while preserving data privacy across decentralized participants. As FL adoption grows, numerous techniques have been proposed to tackle its…

Federated Learning (FL) is a distributed machine learning approach that enables training on decentralized data while preserving privacy. However, FL systems often involve resource-constrained client devices with limited computational power,…

Machine Learning · Computer Science 2024-06-28 Alexander Herzog , Robbie Southam , Ioannis Mavromatis , Aftab Khan

Federated learning is a training paradigm that learns from multiple distributed users without aggregating data on a centralized server. Such a paradigm promises the ability to deploy machine-learning at-scale to a diverse population of…

Computation and Language · Computer Science 2022-10-11 Andrew Silva , Pradyumna Tambwekar , Matthew Gombolay

Federated learning protects data privacy and security by exchanging models instead of data. However, unbalanced data distributions among participating clients compromise the accuracy and convergence speed of federated learning algorithms.…

Machine Learning · Computer Science 2022-04-11 Qilong Wu , Lin Liu , Shibei Xue

Federated Learning (FL) is a promising distributed machine learning approach that enables collaborative training of a global model using multiple edge devices. The data distributed among the edge devices is highly heterogeneous. Thus, FL…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-16 Ji Liu , Beichen Ma , Qiaolin Yu , Ruoming Jin , Jingbo Zhou , Yang Zhou , Huaiyu Dai , Haixun Wang , Dejing Dou , Patrick Valduriez