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Machine learning has attracted widespread attention and evolved into an enabling technology for a wide range of highly successful applications, such as intelligent computer vision, speech recognition, medical diagnosis, and more. Yet a…

Cryptography and Security · Computer Science 2023-06-07 Heng Xu , Tianqing Zhu , Lefeng Zhang , Wanlei Zhou , Philip S. Yu

We introduce machine unlearning for speech tasks, a novel and underexplored research problem that aims to efficiently and effectively remove the influence of specific data from trained speech models without full retraining. This has…

Machine Learning · Computer Science 2025-06-03 Jiali Cheng , Hadi Amiri

Machine unlearning, the process of selectively removing data from trained models, is increasingly crucial for addressing privacy concerns and knowledge gaps post-deployment. Despite this importance, existing approaches are often heuristic…

Machine Learning · Computer Science 2025-02-13 Youssef Allouah , Joshua Kazdan , Rachid Guerraoui , Sanmi Koyejo

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

With the growing privacy concerns in recommender systems, recommendation unlearning, i.e., forgetting the impact of specific learned targets, is getting increasing attention. Existing studies predominantly use training data, i.e., model…

Machine Learning · Computer Science 2023-10-10 Yuyuan Li , Chaochao Chen , Xiaolin Zheng , Yizhao Zhang , Zhongxuan Han , Dan Meng , Jun Wang

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…

Machine Learning · Computer Science 2024-10-28 Thanveer Shaik , Xiaohui Tao , Haoran Xie , Lin Li , Xiaofeng Zhu , Qing Li

Machine Learning models increasingly face data integrity challenges due to the use of large-scale training datasets drawn from the Internet. We study what model developers can do if they detect that some data was manipulated or incorrect.…

Machine Learning · Computer Science 2024-10-18 Shashwat Goel , Ameya Prabhu , Philip Torr , Ponnurangam Kumaraguru , Amartya Sanyal

Machine unlearning aims to enable models to forget specific data instances when receiving deletion requests. Current research centres on efficient unlearning to erase the influence of data from the model and neglects the subsequent impacts…

Machine Learning · Computer Science 2024-04-23 Huiqiang Chen , Tianqing Zhu , Xin Yu , Wanlei Zhou

Machine unlearning, enabling a trained model to forget specific data, is crucial for addressing erroneous data and adhering to privacy regulations like the General Data Protection Regulation (GDPR)'s "right to be forgotten". Despite recent…

Machine Learning · Computer Science 2026-04-10 Zihao Zhao , Yuchen Yang , Anjalie Field , Yinzhi Cao

Differential privacy (DP) auditing is essential for evaluating privacy guarantees in machine learning systems. Existing auditing methods, however, pose a significant challenge for large-scale systems since they require modifying the…

Machine Learning · Computer Science 2026-01-21 Iden Kalemaj , Luca Melis , Maxime Boucher , Ilya Mironov , Saeed Mahloujifar

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…

Machine Learning · Computer Science 2025-11-14 James Jin Kang , Dang Bui , Thanh Pham , Huo-Chong Ling

Data-driven traffic state estimation and prediction (TSEP) relies heavily on data sources that contain sensitive information. While the abundance of data has fueled significant breakthroughs, particularly in machine learning-based methods,…

Machine Learning · Computer Science 2025-12-01 Xin Wang , R. Tyrrell Rockafellar , Xuegang , Ban

Supervised fine-tuning has become the predominant method for adapting large pretrained models to downstream tasks. However, recent studies have revealed that these models are vulnerable to backdoor attacks, where even a small number of…

Cryptography and Security · Computer Science 2025-01-08 Peihai Jiang , Xixiang Lyu , Yige Li , Jing Ma

Machine Learning (ML) models have been shown to potentially leak sensitive information, thus raising privacy concerns in ML-driven applications. This inspired recent research on removing the influence of specific data samples from a trained…

Machine Learning · Computer Science 2023-10-30 Youyang Qu , Xin Yuan , Ming Ding , Wei Ni , Thierry Rakotoarivelo , David Smith

Deep neural networks often rely on spurious correlations in training data, leading to biased or unfair predictions in safety-critical domains such as medicine and autonomous driving. While conventional bias mitigation typically requires…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Sai Siddhartha Chary Aylapuram , Veeraraju Elluru , Shivang Agarwal

In recent years, machine learning neural network has penetrated deeply into people's life. As the price of convenience, people's private information also has the risk of disclosure. The "right to be forgotten" was introduced in a timely…

Machine Learning · Computer Science 2021-11-11 Kongyang Chen , Yiwen Wang , Yao Huang

Large language models (LLMs) inherently absorb harmful knowledge, misinformation, and personal data during pretraining on large-scale web corpora, with no native mechanism for selective removal. While machine unlearning offers a principled…

Artificial Intelligence · Computer Science 2026-04-15 Jagadeesh Rachapudi , Pranav Singh , Ritali Vatsi , Praful Hambarde , Amit Shukla

Protein modeling is an increasingly popular area of machine learning research. Semi-supervised learning has emerged as an important paradigm in protein modeling due to the high cost of acquiring supervised protein labels, but the current…

Machine Learning · Computer Science 2019-06-20 Roshan Rao , Nicholas Bhattacharya , Neil Thomas , Yan Duan , Xi Chen , John Canny , Pieter Abbeel , Yun S. Song

This review explores machine unlearning (MUL) in recommendation systems, addressing adaptability, personalization, privacy, and bias challenges. Unlike traditional models, MUL dynamically adjusts system knowledge based on shifts in user…

Information Retrieval · Computer Science 2024-01-23 Bhavika Sachdeva , Harshita Rathee , Sristi , Arun Sharma , Witold Wydmański

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