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Related papers: Machine Unlearning: A Comprehensive Survey

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Machine unlearning techniques, which involve retracting data records and reducing influence of said data on trained models, help with the user privacy protection objective but incur significant computational costs. Weight perturbation-based…

Machine Learning · Computer Science 2025-01-16 Zhiwei Zuo , Zhuo Tang , Kenli Li , Anwitaman Datta

To protect users' right to be forgotten in federated learning, federated unlearning aims at eliminating the impact of leaving users' data on the global learned model. The current research in federated unlearning mainly concentrated on…

Computer Science and Game Theory · Computer Science 2023-12-05 Ningning Ding , Zhenyu Sun , Ermin Wei , Randall Berry

Removing information from a machine learning model is a non-trivial task that requires to partially revert the training process. This task is unavoidable when sensitive data, such as credit card numbers or passwords, accidentally enter the…

Machine Learning · Computer Science 2023-08-08 Alexander Warnecke , Lukas Pirch , Christian Wressnegger , Konrad Rieck

Modern privacy regulations have spurred the evolution of machine unlearning, a technique enabling a trained model to efficiently forget specific training data. In prior unlearning methods, the concept of "data forgetting" is often…

Machine Learning · Computer Science 2025-01-24 Zhenxing Niu , Haoxuan Ji , Yuyao Sun , Zheng Lin , Fei Gao , Yuhang Wang , Haichao Gao

Machine unlearning aims to efficiently eliminate the memory about deleted data from trained models and address the right to be forgotten. Despite the success of existing unlearning algorithms, unlearning in sparse models has not yet been…

Machine Learning · Computer Science 2025-12-04 Yang Xiao , Gen Li , Jie Ji , Ruimeng Ye , Xiaolong Ma , Bo Hui

Machine unlearning (MU) for large language models (LLMs), commonly referred to as LLM unlearning, seeks to remove specific undesirable data or knowledge from a trained model, while maintaining its performance on standard tasks. While…

Machine Learning · Computer Science 2026-03-03 Yiwei Chen , Soumyadeep Pal , Yimeng Zhang , Qing Qu , Sijia Liu

Machine unlearning methods take a model trained on a dataset and a forget set, then attempt to produce a model as if it had only been trained on the examples not in the forget set. We empirically show that an adversary is able to…

Machine Learning · Computer Science 2025-05-14 Brennon Brimhall , Philip Mathew , Neil Fendley , Yinzhi Cao , Matthew Green

The rapid proliferation of image generation models and other artificial intelligence (AI) systems has intensified concerns regarding data privacy and user consent. As the availability of public datasets declines, major technology companies…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Ishrak Hamim Mahi , Siam Ferdous , Md Sakib Sadman Badhon , Nabid Hasan Omi , Md Habibun Nabi Hemel , Farig Yousuf Sadeque , Md. Tanzim Reza

Modern privacy regulations have spurred the evolution of machine unlearning, a technique that enables the removal of data from an already trained ML model without requiring retraining from scratch. Previous unlearning methods tend to induce…

Machine Learning · Computer Science 2025-05-05 Haoxuan Ji , Zheng Lin , Yuyao Sun , Gao Fei , Yuhang Wang , Haichang Gao , Zhenxing Niu

Machine unlearning addresses the problem of updating a machine learning model/system trained on a dataset $S$ so that the influence of a set of deletion requests $U \subseteq S$ on the unlearned model is minimized. The gold standard…

Machine Learning · Computer Science 2025-06-09 Linda Lu , Ayush Sekhari , Karthik Sridharan

With increasing privacy concerns in artificial intelligence, regulations have mandated the right to be forgotten, granting individuals the right to withdraw their data from models. Machine unlearning has emerged as a potential solution to…

Information Retrieval · Computer Science 2024-12-24 Chaochao Chen , Jiaming Zhang , Yizhao Zhang , Li Zhang , Lingjuan Lyu , Yuyuan Li , Biao Gong , Chenggang Yan

Machine unlearning has great significance in guaranteeing model security and protecting user privacy. Additionally, many legal provisions clearly stipulate that users have the right to demand model providers to delete their own data from…

Machine Learning · Computer Science 2021-05-14 Yingzhe He , Guozhu Meng , Kai Chen , Jinwen He , Xingbo Hu

Machine unlearning has raised significant interest with the adoption of laws ensuring the ``right to be forgotten''. Researchers have provided a probabilistic notion of approximate unlearning under a similar definition of Differential…

Machine Learning · Computer Science 2025-09-25 Eli Chien , Haoyu Wang , Ziang Chen , Pan Li

Machine unlearning aims to selectively remove the influence of specific training samples to satisfy privacy regulations such as the GDPR's 'Right to be Forgotten'. However, many existing methods require access to the data being removed,…

Cryptography and Security · Computer Science 2026-05-27 Dinesh Srivasthav P , Ashok Urlana , Rahul Mishra , Bala Mallikarjunarao Garlapati , Ponnurangam Kumaraguru

Driven by the right to be forgotten (RTBF), machine unlearning has become an essential requirement for privacy-preserving machine learning. However, its realization in decentralized federated learning (DFL) remains largely unexplored. In…

Machine Learning · Computer Science 2026-01-13 Hengliang Wu , Youming Tao , Anhao Zhou , Shuzhen Chen , Falko Dressler , Dongxiao Yu

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

Machine unlearning has emerged as a critical capability for addressing privacy, safety, and regulatory concerns in large language models (LLMs). Existing methods operate at the sequence level, applying uniform updates across all tokens…

Computation and Language · Computer Science 2026-05-07 Jiawei Wu , Doudou Zhou

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

Machine unlearning is concerned with the task of removing knowledge learned from particular data points from a trained model. In the context of large language models (LLMs), unlearning has recently received increased attention, particularly…

Computation and Language · Computer Science 2025-09-03 Aravind Krishnan , Siva Reddy , Marius Mosbach

Machine unlearning aims to remove the contribution of designated training data from a trained model while preserving performance on the remaining data. Existing work mainly focuses on single-task settings, whereas modern models often…

Artificial Intelligence · Computer Science 2026-05-20 Ying-Hua Huang , Rui Fang , Hsi-Wen Chen , Ming-Syan Chen