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Federated learning (FL) enables distributed optimization of machine learning models while protecting privacy by independently training local models on each client and then aggregating parameters on a central server, thereby producing an…

Machine Learning · Computer Science 2022-03-08 Chencheng Xu , Zhiwei Hong , Minlie Huang , Tao Jiang

Federated Learning (FL) emerged as a learning method to enable the server to train models over data distributed among various clients. These clients are protective about their data being leaked to the server, any other client, or an…

Machine Learning · Computer Science 2025-01-27 Uday Bhaskar , Varul Srivastava , Avyukta Manjunatha Vummintala , Naresh Manwani , Sujit Gujar

In recent years, Federated Learning (FL) has garnered significant attention as a distributed machine learning paradigm. To facilitate the implementation of the right to be forgotten, the concept of federated machine unlearning (FMU) has…

Machine Learning · Computer Science 2025-03-28 Hanlin Gu , Gongxi Zhu , Jie Zhang , Xinyuan Zhao , Yuxing Han , Lixin Fan , Qiang Yang

Federated learning (FL) has become a prevalent distributed machine learning paradigm with improved privacy. After learning, the resulting federated model should be further personalized to each different client. While several methods have…

Machine Learning · Computer Science 2021-03-09 Bingyan Liu , Yao Guo , Xiangqun Chen

Federated learning (FL) has emerged as a method to preserve privacy in collaborative distributed learning. In FL, clients train AI models directly on their devices rather than sharing data with a centralized server, which can pose privacy…

Cryptography and Security · Computer Science 2024-11-26 Haleh Hayati , Carlos Murguia , Nathan van de Wouw

Federated learning (FL) schemes allow multiple participants to collaboratively train neural networks without the need to directly share the underlying data.However, in early schemes, all participants eventually obtain the same model.…

Machine Learning · Computer Science 2024-07-22 Janis Adamek , Moritz Schulze Darup

Aiming at privacy preservation, Federated Learning (FL) is an emerging machine learning approach enabling model training on decentralized devices or data sources. The learning mechanism of FL relies on aggregating parameter updates from…

Machine Learning · Computer Science 2024-05-21 Jiayan Chen , Zhirong Qian , Tianhui Meng , Xitong Gao , Tian Wang , Weijia Jia

Federated learning has been proposed as a privacy-preserving machine learning framework that enables multiple clients to collaborate without sharing raw data. However, client privacy protection is not guaranteed by design in this framework.…

Cryptography and Security · Computer Science 2022-10-17 Kai Yue , Richeng Jin , Chau-Wai Wong , Dror Baron , Huaiyu Dai

Machine Unlearning (MU) is an increasingly important topic in machine learning safety, aiming at removing the contribution of a given data point from a training procedure. Federated Unlearning (FU) consists in extending MU to unlearn a…

Machine Learning · Computer Science 2024-03-19 Yann Fraboni , Martin Van Waerebeke , Kevin Scaman , Richard Vidal , Laetitia Kameni , Marco Lorenzi

Federated learning (FL) enables collaborative model training without centralizing raw data, but privacy regulations such as the right to be forgotten require FL systems to remove the influence of previously used training data upon request.…

Machine Learning · Computer Science 2026-02-02 Yue Li , Mingmin Chu , Xilei Yang , Da Xiao , Ziqi Xu , Wei Shao , Qipeng Song , Hui Li

Federated Learning (FL) has become an established technique to facilitate privacy-preserving collaborative training across a multitude of clients. However, new approaches to FL often discuss their contributions involving small deep-learning…

Machine Learning · Computer Science 2026-05-05 Herbert Woisetschläger , Alexander Isenko , Shiqiang Wang , Ruben Mayer , Hans-Arno Jacobsen

Federated Learning (FL) is a distributed learning framework, in which the local data never leaves clients devices to preserve privacy, and the server trains models on the data via accessing only the gradients of those local data. Without…

Machine Learning · Computer Science 2021-10-29 Jinwoo Jeon , Jaechang Kim , Kangwook Lee , Sewoong Oh , Jungseul Ok

Federated learning (FL) allows the collaborative training of AI models without needing to share raw data. This capability makes it especially interesting for healthcare applications where patient and data privacy is of utmost concern.…

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) offers a promising paradigm for training Large Language Models (LLMs) in a decentralized manner while preserving data privacy and minimizing communication overhead. This survey examines recent advancements in…

Machine Learning · Computer Science 2025-05-12 Youyang Qu , Ming Liu , Tianqing Zhu , Longxiang Gao , Shui Yu , Wanlei Zhou

Federated learning (FL) is an emerging distributed machine learning paradigm proposed for privacy preservation. Unlike traditional centralized learning approaches, FL enables multiple users to collaboratively train a shared global model…

Cryptography and Security · Computer Science 2024-10-01 Hangyu Zhu , Liyuan Huang , Zhenping Xie

In low-altitude wireless networks (LAWN), federated learning (FL) enables collaborative intelligence among unmanned aerial vehicles (UAVs) and integrated sensing and communication (ISAC) devices while keeping raw sensing data local. Due to…

Cryptography and Security · Computer Science 2026-04-01 Yuhua Xu , Mingtao Jiang , Chenfei Hu , Yinglong Wang , Chuan Zhang , Meng Li , Ming Lu , Liehuang Zhu

Federated Learning (FL) facilitates collaborative model training while keeping raw data decentralized, making it a conduit for leveraging the power of IoT devices while maintaining privacy of the locally collected data. However, existing…

Cryptography and Security · Computer Science 2025-09-26 Amr Akmal Abouelmagd , Amr Hilal

Federated learning (FL) has become a key component in various language modeling applications such as machine translation, next-word prediction, and medical record analysis. These applications are trained on datasets from many FL…

Cryptography and Security · Computer Science 2025-12-11 Md Rafi Ur Rashid , Vishnu Asutosh Dasu , Kang Gu , Najrin Sultana , Shagufta Mehnaz

The development of artificial intelligence demands that models incrementally update knowledge by Continual Learning (CL) to adapt to open-world environments. To meet privacy and security requirements, Continual Unlearning (CU) emerges as an…