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Federated learning (FL) has attracted growing attention via data-private collaborative training on decentralized clients. However, most existing methods unrealistically assume object classes of the overall framework are fixed over time. It…

Machine Learning · Computer Science 2022-03-23 Jiahua Dong , Lixu Wang , Zhen Fang , Gan Sun , Shichao Xu , Xiao Wang , Qi Zhu

Although deep learning has revolutionized domains such as natural language processing and computer vision, its dependence on centralized datasets raises serious privacy concerns. Federated learning addresses this issue by enabling multiple…

Machine Learning · Computer Science 2025-11-19 Andreas Lutz , Gabriele Steidl , Karsten Müller , Wojciech Samek

Federated Learning enables collaborative model training across decentralized data sources without data transfer. Averaging-based FL is limited by the presence of non-IID data, which negatively impacts convergence speed and final model…

Machine Learning · Computer Science 2026-05-22 Adda Akram Bendoukha , Heber Hwang Arcolezi , Nesrine Kaaniche , Aymen Boudguiga

Federated learning is a distributed learning framework that takes full advantage of private data samples kept on edge devices. In real-world federated learning systems, these data samples are often decentralized and Non-Independently…

Machine Learning · Computer Science 2023-03-03 Dun Zeng , Xiangjing Hu , Shiyu Liu , Yue Yu , Qifan Wang , Zenglin Xu

Real-world data is usually segmented by attributes and distributed across different parties. Federated learning empowers collaborative training without exposing local data or models. As we demonstrate through designed attacks, even with a…

Machine Learning · Computer Science 2021-04-30 Shuang Zhang , Liyao Xiang , Xi Yu , Pengzhi Chu , Yingqi Chen , Chen Cen , Li Wang

We demonstrate that a production-quality keyword-spotting model can be trained on-device using federated learning and achieve comparable false accept and false reject rates to a centrally-trained model. To overcome the algorithmic…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-05 Andrew Hard , Kurt Partridge , Cameron Nguyen , Niranjan Subrahmanya , Aishanee Shah , Pai Zhu , Ignacio Lopez Moreno , Rajiv Mathews

We rethink Federated Learning (FL) from a nested learning perspective, framing the core challenge as how to collaboratively learn optimization rules, not just static models, to tackle Non-IID client data. To address this, we propose…

Machine Learning · Computer Science 2026-05-19 Hong Chen , Pengcheng Wu , Yuanguo Lin , Peilin Zhao , Xiuze Zhou , Fan Lin , Han Yu

In modern federated learning, one of the main challenges is to account for inherent heterogeneity and the diverse nature of data distributions for different clients. This problem is often addressed by introducing personalization of the…

Machine Learning · Statistics 2023-12-19 Nikita Kotelevskii , Samuel Horváth , Karthik Nandakumar , Martin Takáč , Maxim Panov

As large language models continue to develop and expand, the extensive public data they rely on faces the risk of depletion. Consequently, leveraging private data within organizations to enhance the performance of large models has emerged…

Machine Learning · Computer Science 2025-11-11 Dongcheng Li , Junhan Chen , Aoxiang Zhou , Chunpei Li , Youquan Xian , Peng Liu , Xianxian Li

Federated learning is a communication-efficient training process that alternates between local training at the edge devices and averaging the updated local model at the central server. Nevertheless, it is impractical to achieve a perfect…

Machine Learning · Computer Science 2019-11-04 Fan Ang , Li Chen , Nan Zhao , Yunfei Chen , Weidong Wang , F. Richard Yu

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 allows a large number of devices to jointly learn a model without sharing data. In this work, we enable clients with limited computing power to perform action recognition, a computationally heavy task. We first perform…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-27 Pranjal Jain , Shreyas Goenka , Saurabh Bagchi , Biplab Banerjee , Somali Chaterji

Federated learning (FL) is a popular paradigm for collaborative training which avoids direct data exposure between clients. However, data privacy issues still remain: FL-trained large language models are capable of memorizing and completing…

Machine Learning · Computer Science 2026-03-10 Thierry Bossy , Julien Vignoud , Tahseen Rabbani , Juan R. Troncoso Pastoriza , Martin Jaggi

Federated learning (FL) is a promising and powerful approach for training deep learning models without sharing the raw data of clients. During the training process of FL, the central server and distributed clients need to exchange a vast…

Machine Learning · Computer Science 2021-04-27 Zhefeng Qiao , Xianghao Yu , Jun Zhang , Khaled B. Letaief

Federated Learning (FL) is a decentralized paradigm that enables a client-server architecture to collaboratively train a global Artificial Intelligence model without sharing raw data, thereby preserving privacy. A key challenge in FL is…

Machine Learning · Computer Science 2025-10-07 Michael Ben Ali , Imen Megdiche , André Peninou , Olivier Teste

This work addresses the problem of optimizing communications between server and clients in federated learning (FL). Current sampling approaches in FL are either biased, or non optimal in terms of server-clients communications and training…

Machine Learning · Computer Science 2021-05-24 Yann Fraboni , Richard Vidal , Laetitia Kameni , Marco Lorenzi

Federated learning enables cooperative training among massively distributed clients by sharing their learned local model parameters. However, with increasing model size, deploying federated learning requires a large communication bandwidth,…

Machine Learning · Computer Science 2022-12-13 Rui Song , Liguo Zhou , Lingjuan Lyu , Andreas Festag , Alois Knoll

Federated Learning (FL) is a distributed learning paradigm where clients collaboratively train a model while keeping their own data private. With an increasing scale of clients and models, FL encounters two key challenges, client drift due…

Machine Learning · Computer Science 2025-01-20 Jianhui Sun , Xidong Wu , Heng Huang , Aidong Zhang

Federated learning achieves effective performance in modeling decentralized data. In practice, client data are not well-labeled, which makes it potential for federated unsupervised learning (FUSL) with non-IID data. However, the performance…

Machine Learning · Computer Science 2024-03-26 Xinting Liao , Weiming Liu , Chaochao Chen , Pengyang Zhou , Fengyuan Yu , Huabin Zhu , Binhui Yao , Tao Wang , Xiaolin Zheng , Yanchao Tan

Federated learning has recently gained popularity as a framework for distributed clients to collaboratively train a machine learning model using local data. While traditional federated learning relies on a central server for model…

Machine Learning · Computer Science 2025-09-03 I-Cheng Lin , Osman Yagan , Carlee Joe-Wong