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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…

Machine Learning · Computer Science 2021-08-03 Yang Liu , Zhuo Ma , Ximeng Liu , Jian Liu , Zhongyuan Jiang , Jianfeng Ma , Philip Yu , Kui Ren

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

With the growing adoption of data privacy regulations, the ability to erase private or copyrighted information from trained models has become a crucial requirement. Traditional unlearning methods often assume access to the complete training…

Machine Learning · Computer Science 2025-12-22 Umit Yigit Basaran , Sk Miraj Ahmed , Amit Roy-Chowdhury , Basak Guler

Recent progress in image generation models (IGMs) enables high-fidelity content creation but also amplifies risks, including the reproduction of copyrighted content and the generation of offensive content. Image Generation Model Unlearning…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yong Zou , Haoran Li , Fanxiao Li , Shenyang Wei , Yunyun Dong , Li Tang , Wei Zhou , Renyang Liu

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…

Machine Learning · Computer Science 2024-07-11 Reza Nasirigerdeh , Nader Razmi , Julia A. Schnabel , Daniel Rueckert , Georgios Kaissis

Large Language Models (LLMs) have shown strong potential in accelerating digital hardware design through automated code generation. Yet, ensuring their reliability remains a critical challenge, as existing LLMs trained on massive…

Machine Learning · Computer Science 2025-12-08 Yiwen Liang , Qiufeng Li , Shikai Wang , Weidong Cao

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…

Machine Learning · Computer Science 2024-05-14 Junaid Iqbal Khan

LLMs have been found to memorize training textual sequences and regurgitate verbatim said sequences during text generation time. This fact is known to be the cause of privacy and related (e.g., copyright) problems. Unlearning in LLMs then…

Machine Learning · Computer Science 2024-05-07 George-Octavian Barbulescu , Peter Triantafillou

Large language models trained on web-scale data can memorize private or sensitive knowledge, raising significant privacy risks. Although some unlearning methods mitigate these risks, they remain vulnerable to "relearning" during subsequent…

Machine Learning · Computer Science 2026-03-05 Nakyeong Yang , Dong-Kyum Kim , Jea Kwon , Minsung Kim , Kyomin Jung , Meeyoung Cha

Machine Unlearning allows participants to remove their data from a trained machine learning model in order to preserve their privacy, and security. However, the machine unlearning literature for generative models is rather limited. The…

Machine Learning · Computer Science 2025-06-25 Ayush K. Varshney , Vicenç Torra

Large Language Models have received significant attention due to their abilities to solve a wide range of complex tasks. However these models memorize a significant proportion of their training data, posing a serious threat when disclosed…

Cryptography and Security · Computer Science 2025-07-16 Jérémie Dentan , Davide Buscaldi , Aymen Shabou , Sonia Vanier

When do diffusion models reproduce their training data, and when are they able to generate samples beyond it? A practically relevant theoretical understanding of this interplay between memorization and generalization may significantly…

Machine Learning · Computer Science 2025-08-26 Sam Buchanan , Druv Pai , Yi Ma , Valentin De Bortoli

Training machine learning models requires the storage of large datasets, which often contain sensitive or private data. Storing data is associated with a number of potential risks which increase over time, such as database breaches and…

Machine Learning · Computer Science 2026-04-14 Aviraj Newatia , Michael Cooper , Viet Nguyen , Rahul G. Krishnan

Diffusion models, widely used for image and video generation, face a significant limitation: the risk of memorizing and reproducing training data during inference, potentially generating unauthorized copyrighted content. While prior…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Chen Chen , Enhuai Liu , Daochang Liu , Mubarak Shah , Chang Xu

Large language models deployed in sensitive applications increasingly require the ability to unlearn specific knowledge, such as user requests, copyrighted materials, or outdated information, without retraining from scratch to ensure…

Machine Learning · Computer Science 2026-05-05 Sadia Asif , Mohammad Mohammadi Amiri

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…

Artificial Intelligence · Computer Science 2026-01-21 Shizhou Xu , Yuan Ni , Stefan Broecker , Thomas Strohmer

Recent works have shown that diffusion models are able to memorize training images and emit them at generation time. However, the metrics used to evaluate memorization and its mitigation techniques suffer from dataset-dependent biases and…

Machine Learning · Computer Science 2025-03-04 Nicky Kriplani , Minh Pham , Gowthami Somepalli , Chinmay Hegde , Niv Cohen

The objective of digital forgetting is, given a model with undesirable knowledge or behavior, obtain a new model where the detected issues are no longer present. The motivations for forgetting include privacy protection, copyright…

Cryptography and Security · Computer Science 2025-01-14 Alberto Blanco-Justicia , Najeeb Jebreel , Benet Manzanares , David Sánchez , Josep Domingo-Ferrer , Guillem Collell , Kuan Eeik Tan

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

Generative models are increasingly used in 3D vision to synthesize novel shapes, yet it remains unclear whether their generation relies on memorizing training shapes. Understanding their memorization could help prevent training data leakage…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Shu Pu , Boya Zeng , Kaichen Zhou , Mengyu Wang , Zhuang Liu