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Federated learning (FL) enables a set of distributed clients to jointly train machine learning models while preserving their local data privacy, making it attractive for applications in healthcare, finance, mobility, and smart-city systems.…

Machine Learning · Computer Science 2026-03-26 Eman M. AbouNassar , Amr Elshall , Sameh Abdulah

Recently, a new distributed learning scheme called Federated Learning (FL) has been introduced. FL is designed so that server never collects user-owned data meaning it is great at preserving privacy. FL's process starts with the server…

Machine Learning · Computer Science 2022-11-29 Amin Eslami Abyane , Steve Drew , Hadi Hemmati

Federated learning (FL) has obtained tremendous progress in providing collaborative training solutions for distributed data silos with privacy guarantees. However, few existing works explore a more realistic scenario where the clients hold…

Machine Learning · Computer Science 2024-06-18 Liwei Che , Jiaqi Wang , Xinyue Liu , Fenglong Ma

Federated Learning (FL), arising as a privacy-preserving machine learning paradigm, has received notable attention from the public. In each round of synchronous FL training, only a fraction of available clients are chosen to participate,…

Machine Learning · Computer Science 2022-02-15 Tiansheng Huang , Weiwei Lin , Li Shen , Keqin Li , Albert Y. Zomaya

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 (FL) enables training ML models on edge clients without sharing data. However, the federated model's performance on local data varies, disincentivising the participation of clients who benefit little from FL. Fair FL…

Machine Learning · Computer Science 2023-05-05 Alex Iacob , Pedro P. B. Gusmão , Nicholas D. Lane

Federated learning is a decentralized and privacy-preserving technique that enables multiple clients to collaborate with a server to learn a global model without exposing their private data. However, the presence of statistical…

Machine Learning · Computer Science 2023-07-06 Shiyu Liu , Shaogao Lv , Dun Zeng , Zenglin Xu , Hui Wang , Yue Yu

We consider a federated learning (FL) system consisting of multiple clients and a server, where the clients aim to collaboratively learn a common decision model from their distributed data. Unlike the conventional FL framework that assumes…

Machine Learning · Computer Science 2023-05-10 Kun Jin , Tongxin Yin , Zhongzhu Chen , Zeyu Sun , Xueru Zhang , Yang Liu , Mingyan Liu

Federated Learning (FL) is a rapidly growing field in machine learning that allows data to be trained across multiple decentralized devices. The selection of clients to participate in the training process is a critical factor for the…

Machine Learning · Computer Science 2023-11-14 Ala Gouissem , Zina Chkirbene , Ridha Hamila

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

One of the main challenges of federated learning (FL) is handling non-independent and identically distributed (non-IID) client data, which may occur in practice due to unbalanced datasets and use of different data sources across clients.…

Machine Learning · Computer Science 2024-10-23 Peng Wu , Tales Imbiriba , Pau Closas

Federated learning paradigm to utilize datasets across multiple data providers. In FL, cross-silo data providers often hesitate to share their high-quality dataset unless their data value can be fairly assessed. Shapley value (SV) has been…

Machine Learning · Computer Science 2025-04-24 Shuyue Wei , Yongxin Tong , Zimu Zhou , Tianran He , Yi Xu

Incentive mechanism is crucial for federated learning (FL) when rational clients do not have the same interests in the global model as the server. However, due to system heterogeneity and limited budget, it is generally impractical for the…

Computer Science and Game Theory · Computer Science 2023-04-18 Bing Luo , Yutong Feng , Shiqiang Wang , Jianwei Huang , Leandros Tassiulas

Federated Learning (FL) allows collaboration between different parties, while ensuring that the data across these parties is not shared. However, not every collaboration is helpful in terms of the resulting model performance. Therefore, it…

Machine Learning · Computer Science 2025-02-21 Afsana Khan , Marijn ten Thij , Guangzhi Tang , Anna Wilbik

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 (FL) faces persistent robustness challenges due to non-IID data distributions and adversarial client behavior. A promising mitigation strategy is contribution evaluation, which enables adaptive aggregation by quantifying…

Machine Learning · Computer Science 2025-10-01 Guojun Tang , Jiayu Zhou , Mohammad Mamun , Steve Drew

Federated Learning (FL) is an emerging paradigm in machine learning without exposing clients' raw data. In practical scenarios with numerous clients, encouraging fair and efficient client participation in federated learning is of utmost…

Machine Learning · Computer Science 2024-01-30 Simin Javaherian , Sanjeev Panta , Shelby Williams , Md Sirajul Islam , Li Chen

Federated Learning (FL) is a collaborative machine learning technique to train a global model without obtaining clients' private data. The main challenges in FL are statistical diversity among clients, limited computing capability among…

Machine Learning · Computer Science 2023-03-07 Xiaofeng Liu , Yinchuan Li , Qing Wang , Xu Zhang , Yunfeng Shao , Yanhui Geng

Federated learning (FL) is a collaborative machine learning paradigm which ensures data privacy by training models across distributed datasets without centralizing sensitive information. Vertical Federated Learning (VFL), a kind of FL…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-13 Nikita Shrivastava , Drishya Uniyal , Bapi Chatterjee

Federated Learning (FL) is gaining prominence in machine learning as privacy concerns grow. This paradigm allows each client (e.g., an individual online store) to train a recommendation model locally while sharing only model updates,…

Machine Learning · Computer Science 2025-10-09 Jongwon Park , Minku Kang , Wooseok Sim , Soyoung Lee , Hogun Park