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User specifications or legal frameworks often require information to be removed from pretrained models, including large language models (LLMs). This requires deleting or "forgetting" a set of data points from an already-trained model, which…

机器学习 · 计算机科学 2025-07-18 Vaidehi Patil , Elias Stengel-Eskin , Mohit Bansal

Deep machine unlearning is the problem of `removing' from a trained neural network a subset of its training set. This problem is very timely and has many applications, including the key tasks of removing biases (RB), resolving confusion…

机器学习 · 计算机科学 2023-10-31 Meghdad Kurmanji , Peter Triantafillou , Jamie Hayes , Eleni Triantafillou

Machine unlearning is a crucial tool for enabling a classification model to forget specific data that are used in the training time. Recently, various studies have presented machine unlearning algorithms and evaluated their methods on…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Dasol Choi , Dongbin Na

Multimodal Large Language Models (MLLMs) trained on massive data may memorize sensitive personal information and photos, posing serious privacy risks. To mitigate this, MLLM unlearning methods are proposed, which fine-tune MLLMs to reduce…

机器学习 · 计算机科学 2025-09-23 Xianren Zhang , Hui Liu , Delvin Ce Zhang , Xianfeng Tang , Qi He , Dongwon Lee , Suhang Wang

Exact unlearning was first introduced as a privacy mechanism that allowed a user to retract their data from machine learning models on request. Shortly after, inexact schemes were proposed to mitigate the impractical costs associated with…

Large language models trained on massive corpora of data from the web can memorize and reproduce sensitive or private data raising both legal and ethical concerns. Unlearning, or tuning models to forget information present in their training…

机器学习 · 计算机科学 2024-01-12 Pratyush Maini , Zhili Feng , Avi Schwarzschild , Zachary C. Lipton , J. Zico Kolter

Large Language Models (LLMs) offer extensive knowledge across various domains, but they may inadvertently memorize sensitive, unauthorized, or malicious data, such as personal information in the medical and financial sectors. Machine…

计算与语言 · 计算机科学 2024-10-16 YuXuan Wu , Bonaventure F. P. Dossou , Dianbo Liu

Machine Unlearning (MU) is critical for removing private or hazardous information from deep learning models. While MU has advanced significantly in unimodal (text or vision) settings, multimodal unlearning (MMU) remains underexplored due to…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Alexey Dontsov , Dmitrii Korzh , Alexey Zhavoronkin , Boris Mikheev , Denis Bobkov , Aibek Alanov , Oleg Y. Rogov , Ivan Oseledets , Elena Tutubalina

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 become more efficient and accurate, the importance of unlearning…

机器学习 · 计算机科学 2024-10-28 Thanveer Shaik , Xiaohui Tao , Haoran Xie , Lin Li , Xiaofeng Zhu , Qing Li

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

Machine unlearning (MU) aims to remove the influence of specific training samples from a well-trained model, a task of growing importance due to the ``right to be forgotten.'' The unlearned model should approach the retrained model, where…

机器学习 · 计算机科学 2026-03-10 Xinwen Cheng , Zhehao Huang , Wenxin Zhou , Zhengbao He , Ruikai Yang , Yingwen Wu , Xiaolin Huang

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,…

The deployment of large language models (LLMs) like ChatGPT and Gemini has shown their powerful natural language generation capabilities. However, these models can inadvertently learn and retain sensitive information and harmful content…

密码学与安全 · 计算机科学 2025-10-14 Shang Wang , Tianqing Zhu , Dayong Ye , Wanlei Zhou

While numerous machine unlearning (MU) methods have recently been developed with promising results in erasing the influence of forgotten data, classes, or concepts, they are also highly vulnerable-for example, simple fine-tuning can…

机器学习 · 计算机科学 2026-04-10 Yichen Gao , Altay Unal , Akshay Rangamani , Zhihui Zhu

Nowadays, machine learning models, especially neural networks, become prevalent in many real-world applications.These models are trained based on a one-way trip from user data: as long as users contribute their data, there is no way to…

机器学习 · 计算机科学 2021-08-03 Yang Liu , Zhuo Ma , Ximeng Liu , Jian Liu , Zhongyuan Jiang , Jianfeng Ma , Philip Yu , Kui Ren

Machine unlearning is an emerging field that selectively removes specific data samples from a trained model. This capability is crucial for addressing privacy concerns, complying with data protection regulations, and correcting errors or…

机器学习 · 计算机科学 2025-01-29 Zitong Li , Qingqing Ye , Haibo Hu

VLMs trained on web-scale data retain sensitive and copyrighted visual concepts that deployment may require removing. Training-based unlearning methods share a structural flaw: fine-tuning on a narrow forget set degrades general…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Zhangyun Tan , Zeliang Zhang , Susan Liang , Yolo Yunlong Tang , Lisha Chen , Chenliang Xu

Large language model unlearning has garnered increasing attention due to its potential to address security and privacy concerns, leading to extensive research in the field. However, much of this research has concentrated on instance-level…

计算与语言 · 计算机科学 2025-05-20 Weitao Ma , Xiaocheng Feng , Weihong Zhong , Lei Huang , Yangfan Ye , Xiachong Feng , Bing Qin

Machine unlearning is essential for meeting legal obligations such as the right to be forgotten, which requires the removal of specific data from machine learning models upon request. While several approaches to unlearning have been…

机器学习 · 计算机科学 2025-05-13 Maximilian Egger , Rawad Bitar , Rüdiger Urbanke