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The enormous amount of data produced by mobile and IoT devices has motivated the development of federated learning (FL), a framework allowing such devices (or clients) to collaboratively train machine learning models without sharing their…

Machine Learning · Computer Science 2023-01-12 Angelo Rodio , Francescomaria Faticanti , Othmane Marfoq , Giovanni Neglia , Emilio Leonardi

Federated learning (FL) is an emerging paradigm that permits a large number of clients with heterogeneous data to coordinate learning of a unified global model without the need to share data amongst each other. A major challenge in…

Machine Learning · Computer Science 2023-11-16 Irene Tenison , Sai Aravind Sreeramadas , Vaikkunth Mugunthan , Edouard Oyallon , Irina Rish , Eugene Belilovsky

Federated learning (FL) has emerged as a new paradigm for privacy-preserving collaborative training. Under domain skew, the current FL approaches are biased and face two fairness problems. 1) Parameter Update Conflict: data disparity among…

Machine Learning · Computer Science 2024-05-28 Yuhang Chen , Wenke Huang , Mang Ye

Federated Learning (FL) has emerged as a means of distributed learning using local data stored at clients with a coordinating server. Recent studies showed that FL can suffer from poor performance and slower convergence when training data…

Machine Learning · Computer Science 2023-08-17 Van Sy Mai , Richard J. La , Tao Zhang

Federated learning (FL) is a privacy-preserving learning technique that enables distributed computing devices to train shared learning models across data silos collaboratively. Existing FL works mostly focus on designing advanced FL…

Machine Learning · Computer Science 2023-02-20 Yash Travadi , Le Peng , Xuan Bi , Ju Sun , Mochen Yang

Federated learning (FL) has become de facto framework for collaborative learning among edge devices with privacy concern. The core of the FL strategy is the use of stochastic gradient descent (SGD) in a distributed manner. Large scale…

Machine Learning · Computer Science 2022-05-18 Kerem Ozfatura , Emre Ozfatura , Deniz Gunduz

Federated learning (FL) is an emerging machine learning paradigm involving multiple clients, e.g., mobile phone devices, with an incentive to collaborate in solving a machine learning problem coordinated by a central server. FL was proposed…

Machine Learning · Computer Science 2022-07-04 Samuel Horváth

Federated Learning (FL) is a machine-learning approach enabling collaborative model training across multiple decentralized edge devices that hold local data samples, all without exchanging these samples. This collaborative process occurs…

Machine Learning · Computer Science 2024-01-02 Venkataraman Natarajan Iyer

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 machine learning paradigm where a shared central model is learned across distributed edge devices while the training data remains on these devices. Federated Averaging (FedAvg) is the leading optimization method…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-22 Yujing Chen , Yue Ning , Martin Slawski , Huzefa Rangwala

Federated Learning (FL) is a well-known framework for successfully performing a learning task in an edge computing scenario where the devices involved have limited resources and incomplete data representation. The basic assumption of FL is…

Machine Learning · Computer Science 2023-12-08 Lorenzo Valerio , Chiara Boldrini , Andrea Passarella , János Kertész , Márton Karsai , Gerardo Iñiguez

Federated learning (FL) refers to a distributed machine learning framework involving learning from several decentralized edge clients without sharing local dataset. This distributed strategy prevents data leakage and enables on-device…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-28 Taki Hasan Rafi , Faiza Anan Noor , Tahmid Hussain , Dong-Kyu Chae , Zhaohui Yang

Multimodal Federated Learning (MFL) enables clients with heterogeneous data modalities to collaboratively train models without sharing raw data, offering a privacy-preserving framework that leverages complementary cross-modal information.…

Machine Learning · Computer Science 2026-03-06 Min Tan , Junchao Ma , Yinfu Feng , Jiajun Ding , Wenwen Pan , Tingting Han , Qian Zheng , Zhenzhong Kuang , Zhou Yu

In Federated Learning (FL), the distributed nature and heterogeneity of client data present both opportunities and challenges. While collaboration among clients can significantly enhance the learning process, not all collaborations are…

Machine Learning · Computer Science 2024-07-18 Nazarii Tupitsa , Samuel Horváth , Martin Takáč , Eduard Gorbunov

Federated learning (FL) is a distributed learning framework that leverages commonalities between distributed client datasets to train a global model. Under heterogeneous clients, however, FL can fail to produce stable training results.…

Machine Learning · Computer Science 2024-11-04 Connor J. Mclaughlin , Lili Su

Federated Learning (FL) has emerged as a vital paradigm in modern machine learning that enables collaborative training across decentralized data sources without exchanging raw data. This approach not only addresses privacy concerns but also…

Machine Learning · Computer Science 2025-08-19 Zahra Kharaghani , Ali Dadras , Tommy Löfstedt

Federated learning (FL) aims to train machine learning models in the decentralized system consisting of an enormous amount of smart edge devices. Federated averaging (FedAvg), the fundamental algorithm in FL settings, proposes on-device…

Machine Learning · Computer Science 2020-12-17 Xin Yao , Tianchi Huang , Rui-Xiao Zhang , Ruiyu Li , Lifeng Sun

Heterogeneous federated learning (HFL) aims to ensure effective and privacy-preserving collaboration among different entities. As newly joined clients require significant adjustments and additional training to align with the existing…

Machine Learning · Computer Science 2026-01-29 Kaile Wang , Jiannong Cao , Yu Yang , Xiaoyin Li , Mingjin Zhang

Federated learning (FL) is a distributed learning paradigm that enables a large number of mobile devices to collaboratively learn a model under the coordination of a central server without sharing their raw data. Despite its practical…

Machine Learning · Computer Science 2021-09-14 Bing Luo , Xiang Li , Shiqiang Wang , Jianwei Huang , Leandros Tassiulas