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Federated Learning (FL) enables multiple nodes to collaboratively train a model without sharing raw data. However, FL systems are usually deployed in heterogeneous scenarios, where nodes differ in both data distributions and participation…

Machine Learning · Computer Science 2026-02-13 Hongliang Zhang , Jiguo Yu , Guijuan Wang , Wenshuo Ma , Tianqing He , Baobao Chai , Chunqiang Hu

Federated Learning (FL) enables privacy-preserving collaborative model training, but its effectiveness is often limited by client data heterogeneity. We introduce a client-selection algorithm that (i) dynamically forms nonoverlapping…

Machine Learning · Computer Science 2025-10-16 Alessandro Licciardi , Roberta Raineri , Anton Proskurnikov , Lamberto Rondoni , Lorenzo Zino

Federated learning (FL) is a distributed machine learning approach involving multiple clients collaboratively training a shared model. Such a system has the advantage of more training data from multiple clients, but data can be…

Machine Learning · Computer Science 2021-08-24 Sone Kyaw Pye , Han Yu

Federated Learning (FL), a privacy-aware approach in distributed deep learning environments, enables many clients to collaboratively train a model without sharing sensitive data, thereby reducing privacy risks. However, enabling human trust…

Machine Learning · Computer Science 2025-11-14 Dario Fenoglio , Gabriele Dominici , Pietro Barbiero , Alberto Tonda , Martin Gjoreski , Marc Langheinrich

Federated Learning (FL) aggregates information from multiple clients to train a shared global model without exposing raw data. Accurately estimating each client's contribution is essential not just for fair rewards, but for selecting the…

Machine Learning · Computer Science 2025-10-07 Hossein KhademSohi , Hadi Hemmati , Jiayu Zhou , Steve Drew

Federated Learning (FL) enables collaborative model training while preserving the privacy of raw data. A challenge in this framework is the fair and efficient valuation of data, which is crucial for incentivizing clients to contribute…

Machine Learning · Computer Science 2024-05-10 Wenqian Li , Shuran Fu , Fengrui Zhang , Yan Pang

Federated learning (FL) is an emerging paradigm for training machine learning models across distributed clients. Traditionally, in FL settings, a central server assigns training efforts (or strategies) to clients. However, from a…

Machine Learning · Computer Science 2024-11-19 Kang Liu , Ziqi Wang , Enrique Zuazua

Federated learning (FL) is a promising distributed framework for collaborative artificial intelligence model training while protecting user privacy. A bootstrapping component that has attracted significant research attention is the design…

Artificial Intelligence · Computer Science 2022-07-26 Guangjing Huang , Xu Chen , Tao Ouyang , Qian Ma , Lin Chen , Junshan Zhang

In current deep learning paradigms, local training or the Standalone framework tends to result in overfitting and thus poor generalizability. This problem can be addressed by Distributed or Federated Learning (FL) that leverages a parameter…

Machine Learning · Computer Science 2020-08-31 Lingjuan Lyu , Xinyi Xu , Qian Wang

Federated Learning is an emerging distributed collaborative learning paradigm used by many of applications nowadays. The effectiveness of federated learning relies on clients' collective efforts and their willingness to contribute local…

Computer Science and Game Theory · Computer Science 2022-05-24 Shuyu Kong , You Li , Hai Zhou

Federated Learning (FL) is a machine learning paradigm that allows decentralized clients to learn collaboratively without sharing their private data. However, excessive computation and communication demands pose challenges to current FL…

Cryptography and Security · Computer Science 2022-09-22 Yue Tan , Guodong Long , Jie Ma , Lu Liu , Tianyi Zhou , Jing Jiang

Classical federated learning (FL) assumes that the clients have a limited amount of noisy data with which they voluntarily participate and contribute towards learning a global, more accurate model in a principled manner. The learning…

Computer Science and Game Theory · Computer Science 2026-03-17 Drashthi Doshi , Aditya Vema Reddy Kesari , Avishek Ghosh , Swaprava Nath , Suhas S Kowshik

Federated learning (FL) enables collaborative learning across multiple clients. In most FL work, all clients train a single learning task. However, the recent proliferation of FL applications may increasingly require multiple FL tasks to be…

Machine Learning · Computer Science 2025-05-20 Marie Siew , Haoran Zhang , Jong-Ik Park , Yuezhou Liu , Yichen Ruan , Lili Su , Stratis Ioannidis , Edmund Yeh , Carlee Joe-Wong

Federated Learning (FL) is a privacy-preserving distributed machine learning paradigm. Nonetheless, the substantial distribution shifts among clients pose a considerable challenge to the performance of current FL algorithms. To mitigate…

Machine Learning · Computer Science 2024-05-28 Yongxin Guo , Lin Wang , Xiaoying Tang , Tao Lin

Recent advances in Federated Learning (FL) have brought large-scale collaborative machine learning opportunities for massively distributed clients with performance and data privacy guarantees. However, most current works focus on the…

Machine Learning · Computer Science 2023-04-12 Yuxin Shi , Han Yu , Cyril Leung

Federated Learning (FL) is a collaborative machine learning paradigm which allows participants to collectively train a model while training data remains private. This paradigm is especially beneficial for sectors like finance, where data…

Machine Learning · Computer Science 2025-06-26 Arno Geimer , Beltran Fiz Pontiveros , Radu State

Federated learning (FL) is a new distributed machine learning framework known for its benefits on data privacy and communication efficiency. Since full client participation in many cases is infeasible due to constrained resources, partial…

Machine Learning · Computer Science 2023-05-10 Heqiang Wang , Jie Xu

Personalized federated learning (FL) facilitates collaborations between multiple clients to learn personalized models without sharing private data. The mechanism mitigates the statistical heterogeneity commonly encountered in the system,…

Machine Learning · Computer Science 2022-09-23 Zichen Ma , Yu Lu , Wenye Li , Shuguang Cui

Federated learning (FL) enables clients to collaboratively train a shared model in a distributed manner, setting it apart from traditional deep learning paradigms. However, most existing FL research assumes consistent client participation,…

Machine Learning · Computer Science 2025-11-21 Ming-Lun Lee , Fu-Shiang Yang , Cheng-Kuan Lin , Yan-Ann Chen , Chih-Yu Lin , Yu-Chee Tseng

Federated learning (FL) is an emerging technique used to train a machine-learning model collaboratively using the data and computation resource of the mobile devices without exposing privacy-sensitive user data. Appropriate incentive…

Machine Learning · Computer Science 2020-09-22 Takayuki Nishio , Ryoichi Shinkuma , Narayan B. Mandayam