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We study the problem of unlearning datapoints from a learnt model. The learner first receives a dataset $S$ drawn i.i.d. from an unknown distribution, and outputs a model $\widehat{w}$ that performs well on unseen samples from the same…

机器学习 · 计算机科学 2021-07-23 Ayush Sekhari , Jayadev Acharya , Gautam Kamath , Ananda Theertha Suresh

Machine unlearning aims to remove specific data points from a trained model, often striving to emulate "perfect retraining", i.e., producing the model that would have been obtained had the deleted data never been included. We demonstrate…

机器学习 · 计算机科学 2026-02-19 Aloni Cohen , Refael Kohen , Kobbi Nissim , Uri Stemmer

Machine unlearning is rapidly becoming a practical requirement, driven by privacy regulations, data errors, and the need to remove harmful or corrupted training samples. Despite this, most existing methods tackle the problem purely from a…

Given the prevalence of large language models (LLMs) and the prohibitive cost of training these models from scratch, dynamically forgetting specific knowledge e.g., private or proprietary, without retraining the model has become an…

计算与语言 · 计算机科学 2024-08-09 Tyler Lizzo , Larry Heck

The right to be forgotten (RTBF) is motivated by the desire of people not to be perpetually disadvantaged by their past deeds. For this, data deletion needs to be deep and permanent, and should be removed from machine learning models.…

软件工程 · 计算机科学 2024-01-12 Dawen Zhang , Shidong Pan , Thong Hoang , Zhenchang Xing , Mark Staples , Xiwei Xu , Lina Yao , Qinghua Lu , Liming Zhu

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…

机器学习 · 计算机科学 2025-12-04 Yang Xiao , Gen Li , Jie Ji , Ruimeng Ye , Xiaolong Ma , Bo Hui

The right to erasure requires removal of a user's information from data held by organizations, with rigorous interpretations extending to downstream products such as learned models. Retraining from scratch with the particular user's data…

机器学习 · 计算机科学 2022-02-11 Neil G. Marchant , Benjamin I. P. Rubinstein , Scott Alfeld

The trustworthy machine learning (ML) community is increasingly recognizing the crucial need for models capable of selectively 'unlearning' data points after training. This leads to the problem of machine unlearning (MU), aiming to…

机器学习 · 计算机科学 2024-07-10 Chongyu Fan , Jiancheng Liu , Alfred Hero , Sijia Liu

Users are more aware than ever of the importance of their own data, thanks to reports about security breaches and leaks of private, often sensitive data in recent years. Additionally, the GDPR has been in effect in the European Union for…

机器学习 · 计算机科学 2025-01-22 Tobias Dam , Maximilian Henzl , Lukas Daniel Klausner

As AI models are trained on ever-expanding datasets, the ability to remove the influence of specific data from trained models has become essential for privacy protection and regulatory compliance. Unlearning addresses this challenge by…

人工智能 · 计算机科学 2026-01-21 Shizhou Xu , Yuan Ni , Stefan Broecker , Thomas Strohmer

Data cleaning is the initial stage of any machine learning project and is one of the most critical processes in data analysis. It is a critical step in ensuring that the dataset is devoid of incorrect or erroneous data. It can be done…

数据库 · 计算机科学 2021-09-16 Ga Young Lee , Lubna Alzamil , Bakhtiyar Doskenov , Arash Termehchy

Machine unlearning, an emerging research topic focusing on compliance with data privacy regulations, enables trained models to remove the information learned from specific data. While many existing methods indirectly address this issue by…

机器学习 · 计算机科学 2024-12-24 Seonguk Seo , Dongwan Kim , Bohyung Han

The growing demand for data privacy in Machine Learning (ML) applications has seen Machine Unlearning (MU) emerge as a critical area of research. As the `right to be forgotten' becomes regulated globally, it is increasingly important to…

机器学习 · 计算机科学 2025-02-25 Sadia Qureshi , Thanveer Shaik , Xiaohui Tao , Haoran Xie , Lin Li , Jianming Yong , Xiaohua Jia

The right to be forgotten, also known as the right to erasure, is the right of individuals to have their data erased from an entity storing it. The status of this long held notion was legally solidified recently by the General Data…

密码学与安全 · 计算机科学 2020-12-02 David Marco Sommer , Liwei Song , Sameer Wagh , Prateek Mittal

Privacy protection laws, such as the GDPR, grant individuals the right to request the forgetting of their personal data not only from databases but also from machine learning (ML) models trained on them. Machine unlearning has emerged as a…

密码学与安全 · 计算机科学 2025-07-08 Josep Domingo-Ferrer , Najeeb Jebreel , David Sánchez

The growing use of large language models in sensitive domains has exposed a critical weakness: the inability to ensure that private information can be permanently forgotten. Yet these systems still lack reliable mechanisms to guarantee that…

机器学习 · 计算机科学 2025-11-14 James Jin Kang , Dang Bui , Thanh Pham , Huo-Chong Ling

In education data mining (EDM) communities, machine learning has achieved remarkable success in discovering patterns and structures to tackle educational challenges. Notably, fairness and algorithmic bias have gained attention in learning…

机器学习 · 计算机科学 2024-05-30 Wei Qian , Aobo Chen , Chenxu Zhao , Yangyi Li , Mengdi Huai

The right to be forgotten states that a data owner has the right to erase their data from an entity storing it. In the context of machine learning (ML), the right to be forgotten requires an ML model owner to remove the data owner's data…

密码学与安全 · 计算机科学 2021-09-15 Min Chen , Zhikun Zhang , Tianhao Wang , Michael Backes , Mathias Humbert , Yang Zhang

Machine unlearning is the problem of removing the effect of a subset of training data (the ''forget set'') from a trained model without damaging the model's utility e.g. to comply with users' requests to delete their data, or remove…

The right to be forgotten requires the removal or "unlearning" of a user's data from machine learning models. However, in the context of Machine Learning as a Service (MLaaS), retraining a model from scratch to fulfill the unlearning…

密码学与安全 · 计算机科学 2024-01-17 Hongsheng Hu , Shuo Wang , Jiamin Chang , Haonan Zhong , Ruoxi Sun , Shuang Hao , Haojin Zhu , Minhui Xue