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Machine unlearning is the process of efficiently removing specific information from a trained machine learning model without retraining from scratch. Existing unlearning methods, which often provide provable guarantees, typically involve…

Machine unlearning requires removing the information of forgetting data while keeping the necessary information of remaining data. Despite recent advancements in this area, existing methodologies mainly focus on the effect of removing…

机器学习 · 计算机科学 2024-02-01 Shaofei Shen , Chenhao Zhang , Alina Bialkowski , Weitong Chen , Miao Xu

It is often desirable to remove (a.k.a. unlearn) a specific part of the training data from a trained neural network model. A typical application scenario is to protect the data holder's right to be forgotten, which has been promoted by many…

机器学习 · 计算机科学 2025-10-24 Xuran Li , Jingyi Wang , Xiaohan Yuan , Peixin Zhang

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".…

密码学与安全 · 计算机科学 2024-11-19 Yu Jiang , Xindi Tong , Ziyao Liu , Huanyi Ye , Chee Wei Tan , Kwok-Yan Lam

With the extensive use of machine learning technologies, data providers encounter increasing privacy risks. Recent legislation, such as GDPR, obligates organizations to remove requested data and its influence from a trained model. Machine…

计算机与社会 · 计算机科学 2024-11-07 Hengzhu Liu , Tianqing Zhu , Lefeng Zhang , Ping Xiong

To comply with AI and data regulations, the need to forget private or copyrighted information from trained machine learning models is increasingly important. The key challenge in unlearning is forgetting the necessary data in a timely…

机器学习 · 计算机科学 2024-12-03 Jack Foster , Kyle Fogarty , Stefan Schoepf , Zack Dugue , Cengiz Öztireli , Alexandra Brintrup

In recent years, Large Language Models (LLMs) have achieved remarkable advancements, drawing significant attention from the research community. Their capabilities are largely attributed to large-scale architectures, which require extensive…

Deep learning-based language models have achieved state-of-the-art results in a number of applications including sentiment analysis, topic labelling, intent classification and others. Obtaining text representations or embeddings using these…

计算与语言 · 计算机科学 2021-08-30 Richard Plant , Dimitra Gkatzia , Valerio Giuffrida

The current trend in data regulation requirements and privacy-preserving machine learning has emphasized the importance of machine unlearning. The naive approach to unlearning training data by retraining over the complement of the forget…

机器学习 · 计算机科学 2024-05-14 Junaid Iqbal Khan

Duplication is a prevalent issue within datasets. Existing research has demonstrated that the presence of duplicated data in training datasets can significantly influence both model performance and data privacy. However, the impact of data…

密码学与安全 · 计算机科学 2025-07-17 Dayong Ye , Tianqing Zhu , Jiayang Li , Kun Gao , Bo Liu , Leo Yu Zhang , Wanlei Zhou , Yang Zhang

Machine unlearning seeks to remove the influence of specific training data from a model, a need driven by privacy regulations and robustness concerns. Existing approaches typically modify model parameters, but such updates can be unstable,…

机器学习 · 计算机科学 2026-05-29 Antonio Almudévar , Alfonso Ortega

Machine unlearning aims to remove the influence of specific samples from a trained model. A key challenge in this process is over-unlearning, where the model's performance on the remaining data significantly drops due to the change in the…

机器学习 · 计算机科学 2025-07-30 Huiqiang Chen , Tianqing Zhu , Xin Yu , Wanlei Zhou

Machine unlearning is an emerging technique that aims to remove the influence of specific data from trained models, thereby enhancing privacy protection. However, recent research has uncovered critical privacy vulnerabilities, showing that…

密码学与安全 · 计算机科学 2026-01-29 Lulu Xue , Shengshan Hu , Wei Lu , Ziqi Zhou , Yufei Song , Jianhong Cheng , Minghui Li , Yanjun Zhang , Leo Yu Zhang

In response to recent data regulation requirements, machine unlearning (MU) has emerged as a critical process to remove the influence of specific examples from a given model. Although exact unlearning can be achieved through complete model…

机器学习 · 计算机科学 2024-01-30 Jinghan Jia , Jiancheng Liu , Parikshit Ram , Yuguang Yao , Gaowen Liu , Yang Liu , Pranay Sharma , Sijia Liu

Backdoor unlearning aims to remove backdoor-related information while preserving the model's original functionality. However, existing unlearning methods mainly focus on recovering trigger patterns but fail to restore the correct semantic…

密码学与安全 · 计算机科学 2025-07-15 Yanghao Su , Jie Zhang , Yiming Li , Tianwei Zhang , Qing Guo , Weiming Zhang , Nenghai Yu , Nils Lukas , Wenbo Zhou

Machine unlearning focuses on efficiently removing specific data from trained models, addressing privacy and compliance concerns with reasonable costs. Although exact unlearning ensures complete data removal equivalent to retraining, it is…

密码学与安全 · 计算机科学 2025-06-17 Nima Naderloui , Shenao Yan , Binghui Wang , Jie Fu , Wendy Hui Wang , Weiran Liu , Yuan Hong

Machine Unlearning removes specific knowledge about training data samples from an already trained model. It has significant practical benefits, such as purging private, inaccurate, or outdated information from trained models without the…

人工智能 · 计算机科学 2025-04-10 Jiali Cheng , Hadi Amiri

Recent data-privacy laws have sparked interest in machine unlearning, which involves removing the effect of specific training samples from a learnt model as if they were never present in the original training dataset. The challenge of…

机器学习 · 计算机科学 2023-12-08 Tuan Hoang , Santu Rana , Sunil Gupta , Svetha Venkatesh

Machine unlearning is the process of removing the impact of a particular set of training samples from a pretrained model. It aims to fulfill the "right to be forgotten", which grants the individuals such as patients the right to reconsider…

机器学习 · 计算机科学 2024-07-11 Reza Nasirigerdeh , Nader Razmi , Julia A. Schnabel , Daniel Rueckert , Georgios Kaissis

Machine unlearning is a newly popularized technique for removing specific training data from a trained model, enabling it to comply with data deletion requests. While it protects the rights of users requesting unlearning, it also introduces…

机器学习 · 计算机科学 2025-12-19 Lulu Xue , Shengshan Hu , Linqiang Qian , Peijin Guo , Yechao Zhang , Minghui Li , Yanjun Zhang , Dayong Ye , Leo Yu Zhang