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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

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) 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

Federated learning (FL) enables collaborative model training without sharing raw data, offering a promising path toward privacy preserving artificial intelligence. However, FL models may still memorize sensitive information from…

Machine Learning · Computer Science 2026-04-15 Parthaw Goswami , Md Khairul Islam , Ashfak Yeafi

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

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

The increasing demand for privacy-preserving machine learning has spurred interest in federated unlearning, which enables the selective removal of data from models trained in federated systems. However, developing federated unlearning…

Machine Learning · Computer Science 2025-05-19 Yang Zhao , Jiaxi Yang , Yiling Tao , Lixu Wang , Xiaoxiao Li , Dusit Niyato , H. Vincent Poor

The right to be forgotten is a fundamental principle of privacy-preserving regulations and extends to Machine Learning (ML) paradigms such as Federated Learning (FL). While FL enhances privacy by enabling collaborative model training…

Machine Learning · Computer Science 2025-10-27 Alessio Mora , Carlo Mazzocca , Rebecca Montanari , Paolo Bellavista

In recent years, machine learning neural network has penetrated deeply into people's life. As the price of convenience, people's private information also has the risk of disclosure. The "right to be forgotten" was introduced in a timely…

Machine Learning · Computer Science 2021-11-11 Kongyang Chen , Yiwen Wang , Yao Huang

Federated unlearning (FU) algorithms allow clients in federated settings to exercise their ''right to be forgotten'' by removing the influence of their data from a collaboratively trained model. Existing FU methods maintain data privacy by…

Cryptography and Security · Computer Science 2025-08-12 Samaneh Mohammadi , Vasileios Tsouvalas , Iraklis Symeonidis , Ali Balador , Tanir Ozcelebi , Francesco Flammini , Nirvana Meratnia

The advent of Federated Learning (FL) highlights the practical necessity for the right to be forgotten for all clients, allowing them to request data deletion from the machine learning models service provider. This necessity has spurred a…

Machine Learning · Computer Science 2025-01-09 Hanlin Gu , Win Kent Ong , Chee Seng Chan , Lixin Fan

Federated Learning (FL) enables collaborative deep learning training across multiple participants without exposing sensitive personal data. However, the distributed nature of FL and the unvetted participants' data makes it vulnerable to…

Machine Learning · Computer Science 2023-04-24 Manaar Alam , Hithem Lamri , Michail Maniatakos

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) can help promote data privacy by training a shared model in a de-centralized manner on the physical devices of clients. In the presence of highly heterogeneous distributions of local data, personalized FL strategy…

Machine Learning · Statistics 2022-10-12 Zhe Liu , Yue Hui , Fuchun Peng

Machine unlearning, which enables a model to forget specific data upon request, is increasingly relevant in the era of privacy-centric machine learning, particularly within federated learning (FL) environments. This paper presents a…

Machine Learning · Computer Science 2025-04-02 Chenguang Xiao , Abhirup Ghosh , Han Wu , Shuo Wang , Diederick van Thiel

Large language models (LLMs) have achieved significant progress from pre-training on and memorizing a wide range of textual data, however, this process might suffer from privacy issues and violations of data protection regulations. As a…

Computation and Language · Computer Science 2023-11-01 Jiaao Chen , Diyi Yang

Federated learning is a distributed machine learning paradigm designed to protect data privacy. However, data heterogeneity across various clients results in catastrophic forgetting, where the model rapidly forgets previous knowledge while…

Machine Learning · Computer Science 2024-11-07 Pengju Wang , Bochao Liu , Weijia Guo , Yong Li , Shiming Ge

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

Privacy concerns in machine learning are heightened by regulations such as the GDPR, which enforces the "right to be forgotten" (RTBF), driving the emergence of machine unlearning as a critical research field. Vertical Federated Learning…

Machine Learning · Computer Science 2025-02-25 Linian Wang , Leye Wang

We explore the problem of selectively forgetting categories from trained CNN classification models in the federated learning (FL). Given that the data used for training cannot be accessed globally in FL, our insights probe deep into the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Junxiao Wang , Song Guo , Xin Xie , Heng Qi