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Federated learning (FL) is a popular framework for training an AI model using distributed mobile data in a wireless network. It features data parallelism by distributing the learning task to multiple edge devices while attempting to…

Machine Learning · Computer Science 2022-02-08 Dingzhu Wen , Ki-Jun Jeon , Kaibin Huang

Federated learning (FL) is an emerging distributed machine learning paradigm enabling collaborative model training on decentralized devices without exposing their local data. A key challenge in FL is the uneven data distribution across…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-08 Md Sirajul Islam , Simin Javaherian , Fei Xu , Xu Yuan , Li Chen , Nian-Feng Tzeng

Federated learning (FL) is usually performed on resource-constrained edge devices, e.g., with limited memory for the computation. If the required memory to train a model exceeds this limit, the device will be excluded from the training.…

Machine Learning · Computer Science 2023-11-28 Kilian Pfeiffer , Ramin Khalili , Jörg Henkel

A key feature of federated learning (FL) is to preserve the data privacy of end users. However, there still exist potential privacy leakage in exchanging gradients under FL. As a result, recent research often explores the differential…

Cryptography and Security · Computer Science 2024-03-20 Yuntao Wang , Zhou Su , Yanghe Pan , Tom H Luan , Ruidong Li , Shui Yu

In the evolving landscape of federated learning (FL), addressing label noise presents unique challenges due to the decentralized and diverse nature of data collection across clients. Traditional centralized learning approaches to mitigate…

Machine Learning · Computer Science 2024-02-09 Taehyeon Kim , Donggyu Kim , Se-Young Yun

Federated Learning (FL) is a variant of distributed learning where edge devices collaborate to learn a model without sharing their data with the central server or each other. We refer to the process of training multiple independent models…

Machine Learning · Computer Science 2022-09-22 Neelkamal Bhuyan , Sharayu Moharir , Gauri Joshi

Federated learning (FL) is emerging as a promising technique for collaborative learning without local data leaving their devices. However, clients' data originating from diverse domains may degrade model performance due to domain shifts,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Zheng Wang , Zihui Wang , Zheng Wang , Xiaoliang Fan , Cheng Wang

We propose a novel federated learning method for distributively training neural network models, where the server orchestrates cooperation between a subset of randomly chosen devices in each round. We view Federated Learning problem…

Generalization performance is a key metric in evaluating machine learning models when applied to real-world applications. Good generalization indicates the model can predict unseen data correctly when trained under a limited number of data.…

Machine Learning · Computer Science 2023-06-07 Zhenyu Sun , Xiaochun Niu , Ermin Wei

Federated learning (FL for simplification) is a distributed machine learning technique that utilizes global servers and collaborative clients to achieve privacy-preserving global model training without direct data sharing. However,…

Machine Learning · Computer Science 2022-11-28 Mingjia Shi , Yuhao Zhou , Qing Ye , Jiancheng Lv

Most federated learning (FL) approaches assume a fixed device set. However, real-world scenarios often involve devices dynamically joining or leaving the system, driven by, e.g., user mobility patterns or handovers across cell boundaries.…

Machine Learning · Computer Science 2025-12-30 Zhan-Lun Chang , Dong-Jun Han , Seyyedali Hosseinalipour , Mung Chiang , Christopher G. Brinton

Cooperative training methods for distributed machine learning are typically based on the exchange of local gradients or local model parameters. The latter approach is known as Federated Learning (FL). An alternative solution with reduced…

Signal Processing · Electrical Eng. & Systems 2020-02-05 Jin-Hyun Ahn , Osvaldo Simeone , Joonhyuk Kang

Recent works have shown that generative sequence models (e.g., language models) have a tendency to memorize rare or unique sequences in the training data. Since useful models are often trained on sensitive data, to ensure the privacy of the…

Machine Learning · Computer Science 2020-06-16 Om Thakkar , Swaroop Ramaswamy , Rajiv Mathews , Françoise Beaufays

Federated learning (FL) has sparked extensive interest in exploiting the private data on clients' local devices. However, the parameter server setting of FL not only has high bandwidth requirements, but also poses data privacy issues and a…

Cryptography and Security · Computer Science 2022-07-07 Qian Chen , Zilong Wang , Yilin Zhou , Jiawei Chen , Dan Xiao , Xiaodong Lin

Federated learning (FL) represents a novel paradigm to machine learning, addressing critical issues related to data privacy and security, yet suffering from data insufficiency and imbalance. The emergence of foundation models (FMs) provides…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-11-02 Xi Li , Songhe Wang , Chen Wu , Hao Zhou , Jiaqi Wang

Federated learning (FL) is a framework for training machine learning models in a distributed and collaborative manner. During training, a set of participating clients process their data stored locally, sharing only the model updates…

Machine Learning · Computer Science 2023-10-31 Filippo Galli , Kangsoo Jung , Sayan Biswas , Catuscia Palamidessi , Tommaso Cucinotta

Federated learning (FL) is a promising approach for training decentralized data located on local client devices while improving efficiency and privacy. However, the distribution and quantity of the training data on the clients' side may…

Machine Learning · Computer Science 2020-12-16 Lixu Wang , Shichao Xu , Xiao Wang , Qi Zhu

Federated Learning (FL) trains deep models across edge devices without centralizing raw data, preserving user privacy. However, client heterogeneity slows down convergence and limits global model accuracy. Clustered FL (CFL) mitigates this…

Machine Learning · Computer Science 2026-02-10 Minghao Li , Dmitrii Avdiukhin , Rana Shahout , Nikita Ivkin , Vladimir Braverman , Minlan Yu

Federated learning (FL) addresses data privacy concerns by enabling collaborative training of AI models across distributed data owners. Wide adoption of FL faces the fundamental challenges of data heterogeneity and the large scale of data…

Machine Learning · Computer Science 2023-08-23 Yulan Gao , Zhaoxiang Hou , Chengyi Yang , Zengxiang Li , Han Yu

Federated Learning (FL) provides privacy preservation by allowing the model training at edge devices without the need of sending the data from edge to a centralized server. FL has distributed the implementation of ML. Another variant of FL…

Cryptography and Security · Computer Science 2022-01-24 Amir Afaq , Zeeshan Ahmed , Noman Haider , Muhammad Imran
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