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Federated learning (FL) is a new paradigm for distributed machine learning that allows a global model to be trained across multiple clients without compromising their privacy. Although FL has demonstrated remarkable success in various…

Machine Learning · Computer Science 2023-06-06 Haolin Wang , Xuefeng Liu , Jianwei Niu , Shaojie Tang , Jiaxing Shen

Federated learning (FL), introduced in 2017, facilitates collaborative learning between non-trusting parties with no need for the parties to explicitly share their data among themselves. This allows training models on user data while…

Machine Learning · Computer Science 2025-04-09 Hyejun Jeong , Shiqing Ma , Amir Houmansadr

Federated learning (FL) has recently emerged as a promising distributed machine learning (ML) paradigm. Practical needs of the "right to be forgotten" and countering data poisoning attacks call for efficient techniques that can remove, or…

Machine Learning · Computer Science 2021-05-07 Gaoyang Liu , Xiaoqiang Ma , Yang Yang , Chen Wang , Jiangchuan Liu

Many application scenarios call for training a machine learning model among multiple participants. Federated learning (FL) was proposed to enable joint training of a deep learning model using the local data in each party without revealing…

Machine Learning · Computer Science 2021-02-12 Kai-Fung Chu , Lintao Zhang

Federated Learning (FL) has emerged as a powerful paradigm for collaborative machine learning across decentralized data sources, preserving privacy by keeping data local. However, increasing legal and ethical demands, such as the "right to…

Machine Learning · Computer Science 2026-02-09 Radmehr Karimian , Amirhossein Bagheri , Meghdad Kurmanji , Nicholas D. Lane , Gholamali Aminian

Data-protection regulations such as the GDPR grant every participant in a federated system a right to be forgotten. Federated unlearning has therefore emerged as a research frontier, aiming to remove a specific party's contribution from the…

Artificial Intelligence · Computer Science 2025-12-12 Wenhan Wu , Zhili He , Huanghuang Liang , Yili Gong , Jiawei Jiang , Chuang Hu , Dazhao Cheng

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

Federated Learning (FL) is a popular algorithm to train machine learning models on user data constrained to edge devices (for example, mobile phones) due to privacy concerns. Typically, FL is trained with the assumption that no part of the…

Federated learning (FL) is a privacy-preserving machine learning method that has been proposed to allow training of models using data from many different clients, without these clients having to transfer all their data to a central server.…

Sound · Computer Science 2021-05-19 Marc C. Green , Mark D. Plumbley

Federated learning (FL) is a general principle for decentralized clients to train a server model collectively without sharing local data. FL is a promising framework with practical applications, but its standard training paradigm requires…

Machine Learning · Computer Science 2024-07-23 Haozhe Feng , Tianyu Pang , Chao Du , Wei Chen , Shuicheng Yan , Min Lin

Federated Learning (FL) is a machine learning technique that enables multiple entities to collaboratively learn a shared model without exchanging their local data. Over the past decade, FL systems have achieved substantial progress, scaling…

Machine Learning · Computer Science 2025-03-04 Katharine Daly , Hubert Eichner , Peter Kairouz , H. Brendan McMahan , Daniel Ramage , Zheng Xu

With privacy legislation empowering the users with the right to be forgotten, it has become essential to make a model amenable for forgetting some of its training data. However, existing unlearning methods in the machine learning context…

Machine Learning · Computer Science 2023-10-24 Anisa Halimi , Swanand Kadhe , Ambrish Rawat , Nathalie Baracaldo

Federated learning (FL) has recently emerged as a compelling machine learning paradigm, prioritizing the protection of privacy for training data. The increasing demand to address issues such as ``the right to be forgotten'' and combat data…

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 unlearning (FU) offers a promising solution to effectively address the need to erase the impact of specific clients' data on the global model in federated learning (FL), thereby granting individuals the ``Right to be Forgotten".…

Cryptography and Security · Computer Science 2024-11-19 Yu Jiang , Xindi Tong , Ziyao Liu , Huanyi Ye , Chee Wei Tan , Kwok-Yan Lam

Graph federated learning (GFL) facilitates decentralized training on distributed graph data while keeping sensitive user information local, aligning with policies such as GDPR and CCPA that grant users the right to freely join or withdraw…

Machine Learning · Computer Science 2026-05-05 Ruotong Ma , Wentao Yu , Qizhou Wang , Jie Yang , Chen Gong

Federated Learning (FL) has emerged as a machine learning approach able to preserve the privacy of user's data. Applying FL, clients train machine learning models on a local dataset and a central server aggregates the learned parameters…

Cryptography and Security · Computer Science 2024-09-27 Luiz Leite , Yuri Santo , Bruno L. Dalmazo , André Riker

Federated Learning (FL) is a decentralized machine learning (ML) technique that allows a number of participants to train an ML model collaboratively without having to share their private local datasets with others. When participants are…

Machine Learning · Computer Science 2023-12-19 Youssra Cheriguene , Wael Jaafar , Halim Yanikomeroglu , Chaker Abdelaziz Kerrache

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

In Federated Learning (FL), multiple clients collaboratively train a model without sharing raw data. This paradigm can be further enhanced by Differential Privacy (DP) to protect local data from information inference attacks and is thus…

Machine Learning · Computer Science 2024-12-10 Jianan Chen , Qin Hu , Fangtian Zhong , Yan Zhuang , Minghui Xu