A survey on federated unlearning: Challenges, methods, and future directions

Z Liu, Y Jiang, J Shen, M Peng, KY Lam… - ACM Computing …, 2024 - dl.acm.org
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 …

Machine unlearning: Taxonomy, metrics, applications, challenges, and prospects

N Li, C Zhou, Y Gao, H Chen, Z Zhang… - … on Neural Networks …, 2025 - ieeexplore.ieee.org
Personal digital data is a critical asset, and governments worldwide have enforced laws and
regulations to protect data privacy. Data users have been endowed with the “right to be …

A survey of machine unlearning

TT Nguyen, TT Huynh, Z Ren, PL Nguyen… - arxiv preprint arxiv …, 2022 - arxiv.org
Today, computer systems hold large amounts of personal data. Yet while such an
abundance of data allows breakthroughs in artificial intelligence, and especially machine …

Fast federated machine unlearning with nonlinear functional theory

T Che, Y Zhou, Z Zhang, L Lyu, J Liu… - International …, 2023 - proceedings.mlr.press
Federated machine unlearning (FMU) aims to remove the influence of a specified subset of
training data upon request from a trained federated learning model. Despite achieving …

Interaction-level membership inference attack against federated recommender systems

W Yuan, C Yang, QVH Nguyen, L Cui, T He… - Proceedings of the ACM …, 2023 - dl.acm.org
The marriage of federated learning and recommender system (FedRec) has been widely
used to address the growing data privacy concerns in personalized recommendation …

Exploring the landscape of machine unlearning: A comprehensive survey and taxonomy

T Shaik, X Tao, H **e, L Li, X Zhu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Machine unlearning (MU) is gaining increasing attention due to the need to remove or
modify predictions made by machine learning (ML) models. While training models have …

Manipulating federated recommender systems: Poisoning with synthetic users and its countermeasures

W Yuan, QVH Nguyen, T He, L Chen… - Proceedings of the 46th …, 2023 - dl.acm.org
Federated Recommender Systems (FedRecs) are considered privacy-preserving
techniques to collaboratively learn a recommendation model without sharing user data …

Comprehensive privacy analysis on federated recommender system against attribute inference attacks

S Zhang, W Yuan, H Yin - IEEE Transactions on Knowledge …, 2023 - ieeexplore.ieee.org
In recent years, recommender systems are crucially important for the delivery of
personalized services that satisfy users' preferences. With personalized recommendation …

Towards efficient and effective unlearning of large language models for recommendation

H Wang, J Lin, B Chen, Y Yang, R Tang… - Frontiers of Computer …, 2025 - Springer
Conclusion In this letter, we propose E2URec, the efficient and effective unlearning method
for LLMRec. Our method enables LLMRec to efficiently forget the specific data by only …

Certified unlearning for federated recommendation

TT Huynh, TB Nguyen, TT Nguyen, PL Nguyen… - ACM Transactions on …, 2025 - dl.acm.org
Recommendation systems play a crucial role in providing web-based suggestion utilities by
leveraging user behavior, preferences, and interests. In the context of privacy concerns and …