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Related papers: Recommendation Unlearning

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Large language models trained on web-scale corpora can memorize undesirable data containing misinformation, copyrighted material, or private or sensitive information. Recently, several machine unlearning algorithms have been proposed to…

Computation and Language · Computer Science 2025-05-27 Keivan Rezaei , Khyathi Chandu , Soheil Feizi , Yejin Choi , Faeze Brahman , Abhilasha Ravichander

As a means to balance the growth of the AI industry with the need for privacy protection, machine unlearning plays a crucial role in realizing the ``right to be forgotten'' in artificial intelligence. This technique enables AI systems to…

Machine Learning · Computer Science 2026-04-22 Eun-Ju Park , Youjin Shin , Simon S. Woo

To address the growing demand for privacy protection in machine learning, we propose a novel and efficient machine unlearning approach for \textbf{L}arge \textbf{M}odels, called \textbf{LM}Eraser. Existing unlearning research suffers from…

Machine Learning · Computer Science 2024-04-18 Jie Xu , Zihan Wu , Cong Wang , Xiaohua Jia

Recommender systems have become ubiquitous in the past years. They solve the tyranny of choice problem faced by many users, and are utilized by many online businesses to drive engagement and sales. Besides other criticisms, like creating…

Information Retrieval · Computer Science 2024-05-17 David Neumann , Andreas Lutz , Karsten Müller , Wojciech Samek

Recommender System (RS) is currently an effective way to solve information overload. To meet users' next click behavior, RS needs to collect users' personal information and behavior to achieve a comprehensive and profound user preference…

Information Retrieval · Computer Science 2022-06-29 Jiangcheng Qin , Baisong Liu

Machine unlearning aims to remove the influence of specific data from trained models while preserving general utility. Existing approximate unlearning methods often rely on performance-degradation heuristics, such as loss maximization or…

Machine Learning · Computer Science 2026-03-13 Jonas Mirlach , Sonia Laguna , Julia E. Vogt

People break up, miscarry, and lose loved ones. Their online streaming and shopping recommendations, however, do not necessarily update, and may serve as unhappy reminders of their loss. When users want to renege on their past actions, they…

Machine Learning · Computer Science 2023-02-15 Mimee Xu , Jiankai Sun , Xin Yang , Kevin Yao , Chong Wang

Today, computer systems hold large amounts of personal data. Yet while such an abundance of data allows breakthroughs in artificial intelligence, and especially machine learning (ML), its existence can be a threat to user privacy, and it…

Continual Learning (CL) primarily aims to retain knowledge to prevent catastrophic forgetting and transfer knowledge to facilitate learning new tasks. Unlike traditional methods, we propose a novel perspective: CL not only needs to prevent…

Machine Learning · Computer Science 2025-06-12 Xuemei Cao , Hanlin Gu , Xin Yang , Bingjun Wei , Haoyang Liang , Xiangkun Wang , Tianrui Li

Recommendation unlearning is an emerging task to serve users for erasing unusable data (e.g., some historical behaviors) from a well-trained recommender model. Existing methods process unlearning requests by fully or partially retraining…

Information Retrieval · Computer Science 2024-11-01 Yang Zhang , Zhiyu Hu , Yimeng Bai , Jiancan Wu , Qifan Wang , Fuli Feng

Document understanding models have recently demonstrated remarkable performance by leveraging extensive collections of user documents. However, since documents often contain large amounts of personal data, their usage can pose a threat to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Lei Kang , Mohamed Ali Souibgui , Fei Yang , Lluis Gomez , Ernest Valveny , Dimosthenis Karatzas

Machine unlearning addresses the problem of updating a machine learning model/system trained on a dataset $S$ so that the influence of a set of deletion requests $U \subseteq S$ on the unlearned model is minimized. The gold standard…

Machine Learning · Computer Science 2025-06-09 Linda Lu , Ayush Sekhari , Karthik Sridharan

Recommender systems are an integral part of online platforms that recommend new content to users with similar interests. However, they demand a considerable amount of user activity data where, if the data is not adequately protected,…

Cryptography and Security · Computer Science 2024-06-03 Shibam Mukherjee , Roman Walch , Fredrik Meisingseth , Elisabeth Lex , Christian Rechberger

A recommender system is a system that helps users filter irrelevant information and create user interest models based on their historical records. With the continuous development of Internet information, recommendation systems have received…

Information Retrieval · Computer Science 2022-08-11 Junan Pan , Zhihao Zhao

The right to be forgotten mandates that machine learning models enable the erasure of a data owner's data and information from a trained model. Removing data from the dataset alone is inadequate, as machine learning models can memorize…

Machine Learning · Computer Science 2024-10-16 Xiaoyu Xia , Ziqi Wang , Ruoxi Sun , Bowen Liu , Ibrahim Khalil , Minhui Xue

Recommender systems use algorithms to provide users with product or service recommendations. Recently, these systems have been using machine learning algorithms from the field of artificial intelligence. However, choosing a suitable machine…

Software Engineering · Computer Science 2016-02-25 Ivens Portugal , Paulo Alencar , Donald Cowan

Modern data-driven recommendation systems risk memorizing sensitive user behavioral patterns, raising privacy concerns. Existing recommendation unlearning methods, while capable of removing target data influence, suffer from inefficient…

Information Retrieval · Computer Science 2025-11-11 Junpeng Zhao , Lin Li , Ming Li , Amran Bhuiyan , Jimmy Huang

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

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 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…

Machine Learning · Computer Science 2025-01-29 Zitong Li , Qingqing Ye , Haibo Hu