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Federated learning (FL) enables collaborative training of a machine learning (ML) model across multiple parties, facilitating the preservation of users' and institutions' privacy by maintaining data stored locally. Instead of centralizing…

Machine Learning · Computer Science 2024-11-06 Nicolò Romandini , Alessio Mora , Carlo Mazzocca , Rebecca Montanari , Paolo Bellavista

In Machine Learning, the emergence of \textit{the right to be forgotten} gave birth to a paradigm named \textit{machine unlearning}, which enables data holders to proactively erase their data from a trained model. Existing machine…

Cryptography and Security · Computer Science 2022-07-01 Yi Liu , Lei Xu , Xingliang Yuan , Cong Wang , Bo Li

In recent years, the notion of ``the right to be forgotten" (RTBF) has become a crucial aspect of data privacy for digital trust and AI safety, requiring the provision of mechanisms that support the removal of personal data of individuals…

Cryptography and Security · Computer Science 2024-07-17 Ziyao Liu , Yu Jiang , Jiyuan Shen , Minyi Peng , Kwok-Yan Lam , Xingliang Yuan , Xiaoning Liu

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) enables collaborative model training across distributed clients while preserving user privacy. Recently, Federated Unlearning (FU) has emerged to address the "right to be forgotten" and to remove the influence of…

Machine Learning · Computer Science 2026-05-26 Ruinan Jin , Minghui Chen , Qiong Zhang , Xiaoxiao Li

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

Federated Learning (FL) is designed to protect the data privacy of each client during the training process by transmitting only models instead of the original data. However, the trained model may memorize certain information about the…

Machine Learning · Computer Science 2022-01-25 Chen Wu , Sencun Zhu , Prasenjit Mitra

Machine unlearning is critical for enforcing data deletion rights like the "right to be forgotten." As a decentralized paradigm, Federated Learning (FL) also requires unlearning, but realistic implementations face two major challenges.…

Machine Learning · Computer Science 2025-10-09 ZiHeng Huang , Di Wu , Jun Bai , Jiale Zhang , Sicong Cao , Ji Zhang , Yingjie Hu

Recently, the enactment of ``right to be forgotten" laws and regulations has imposed new privacy requirements on federated learning (FL). Researchers aim to remove the influence of certain data from the trained model without training from…

Machine Learning · Computer Science 2025-03-11 Lei Zhou , Youwen Zhu , Qiao Xue , Ji Zhang , Pengfei Zhang

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…

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

The right to be forgotten, as stated in most data regulations, poses an underexplored challenge in federated learning (FL), leading to the development of federated unlearning (FU). However, current FU approaches often face trade-offs…

Image and Video Processing · Electrical Eng. & Systems 2024-07-03 Zhipeng Deng , Luyang Luo , Hao Chen

Vertical Federated Learning (VFL) offers a novel paradigm in machine learning, enabling distinct entities to train models cooperatively while maintaining data privacy. This method is particularly pertinent when entities possess datasets…

Machine Learning · Computer Science 2024-12-17 Mengde Han , Tianqing Zhu , Lefeng Zhang , Huan Huo , Wanlei Zhou

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

Federated learning (FL) has been widely adopted as a decentralized training paradigm that enables multiple clients to collaboratively learn a shared model without exposing their local data. As concerns over data privacy and regulatory…

Cryptography and Security · Computer Science 2025-08-22 Bingguang Lu , Hongsheng Hu , Yuantian Miao , Shaleeza Sohail , Chaoxiang He , Shuo Wang , Xiao Chen

Federated Learning (FL) has evolved as a powerful tool for collaborative model training across multiple entities, ensuring data privacy in sensitive sectors such as healthcare and finance. However, the introduction of the Right to Be…

Machine Learning · Computer Science 2024-06-06 Kahou Tam , Kewei Xu , Li Li , Huazhu Fu

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

The demand for data privacy has led to the development of frameworks like Federated Graph Learning (FGL), which facilitate decentralized model training. However, a significant operational challenge in such systems is adhering to the right…

Machine Learning · Computer Science 2025-08-05 Yuming Ai , Xunkai Li , Jiaqi Chao , Bowen Fan , Zhengyu Wu , Yinlin Zhu , Rong-Hua Li , Guoren Wang

The proliferation of connected devices and privacy-sensitive applications has accelerated the adoption of Federated Learning (FL), a decentralized paradigm that enables collaborative model training without sharing raw data. While FL…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-16 Jer Shyuan Ng , Wathsara Daluwatta , Shehan Edirimannage , Charitha Elvitigala , Asitha Kottahachchi Kankanamge Don , Ibrahim Khalil , Heng Zhang , Dusit Niyato

The rapid evolution of Internet of Things (IoT) technology has spurred the widespread adoption of Human Activity Recognition (HAR) in various daily life domains. Federated Learning (FL) is frequently utilized to build a global HAR model by…

Machine Learning · Computer Science 2024-04-08 Kongyang Chen , Dongping zhang , Yaping Chai , Weibin Zhang , Shaowei Wang , Jiaxing Shen
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