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Related papers: Recommendation Unlearning

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Machine unlearning strives to uphold the data owners' right to be forgotten by enabling models to selectively forget specific data. Recent advances suggest pre-computing and storing statistics extracted from second-order information and…

Machine Learning · Computer Science 2025-02-07 Xinbao Qiao , Meng Zhang , Ming Tang , Ermin Wei

Federated learning (FL) has recently emerged as a promising distributed machine learning (ML) paradigm. Practical needs of the "right to be forgotten" and countering data poisoning attacks call for efficient techniques that can remove, or…

Machine Learning · Computer Science 2021-05-07 Gaoyang Liu , Xiaoqiang Ma , Yang Yang , Chen Wang , Jiangchuan Liu

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

Machine unlearning aims to revoke some training data after learning in response to requests from users, model developers, and administrators. Most previous methods are based on direct fine-tuning, which may neither remove data completely…

Machine Learning · Computer Science 2023-10-10 Yufang Liu , Changzhi Sun , Yuanbin Wu , Aimin Zhou

Recently, privacy issues in web services that rely on users' personal data have raised great attention. Unlike existing privacy-preserving technologies such as federated learning and differential privacy, we explore another way to mitigate…

Information Retrieval · Computer Science 2022-10-21 Ziqian Chen , Fei Sun , Yifan Tang , Haokun Chen , Jinyang Gao , Bolin Ding

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

Practical recommender systems need be periodically retrained to refresh the model with new interaction data. To pursue high model fidelity, it is usually desirable to retrain the model on both historical and new data, since it can account…

Information Retrieval · Computer Science 2021-01-15 Yang Zhang , Fuli Feng , Chenxu Wang , Xiangnan He , Meng Wang , Yan Li , Yongdong Zhang

Recommender systems are important for providing personalized services to users, but the vast amount of collected user data has raised concerns about privacy (e.g., sensitive data), security (e.g., malicious data) and utility (e.g., toxic…

Information Retrieval · Computer Science 2023-08-01 Jiahao Liu , Dongsheng Li , Hansu Gu , Tun Lu , Jiongran Wu , Peng Zhang , Li Shang , Ning Gu

Over the past years, Machine Learning-as-a-Service (MLaaS) has received a surging demand for supporting Machine Learning-driven services to offer revolutionized user experience across diverse application areas. MLaaS provides inference…

Cryptography and Security · Computer Science 2025-02-10 Yuke Hu , Jian Lou , Jiaqi Liu , Wangze Ni , Feng Lin , Zhan Qin , Kui Ren

As a way to implement the "right to be forgotten" in machine learning, \textit{machine unlearning} aims to completely remove the contributions and information of the samples to be deleted from a trained model without affecting the…

Machine Learning · Computer Science 2023-04-10 Cheng-Long Wang , Mengdi Huai , Di Wang

Existing sequential recommendation methods rely on large amounts of training data and usually suffer from the data sparsity problem. To tackle this, the pre-training mechanism has been widely adopted, which attempts to leverage large-scale…

Information Retrieval · Computer Science 2021-02-23 Chaojun Xiao , Ruobing Xie , Yuan Yao , Zhiyuan Liu , Maosong Sun , Xu Zhang , Leyu Lin

There are applications that may require removing the trace of a sample from the system, e.g., a user requests their data to be deleted, or corrupted data is discovered. Simply removing a sample from storage units does not necessarily remove…

Machine Learning · Computer Science 2021-06-17 Nasser Aldaghri , Hessam Mahdavifar , Ahmad Beirami

Machine learning models may inadvertently memorize sensitive, unauthorized, or malicious data, posing risks of privacy breaches, security vulnerabilities, and performance degradation. To address these issues, machine unlearning has emerged…

Machine Learning · Computer Science 2024-04-08 Jie Xu , Zihan Wu , Cong Wang , Xiaohua Jia

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

Recommender systems are crucial tools to overcome the information overload brought about by the Internet. Rigorous tests are needed to establish to what extent sophisticated methods can improve the quality of the predictions. Here we…

Information Retrieval · Computer Science 2007-09-19 Marcel Blattner , Alexander Hunziker , Paolo Laureti

Machine unlearning is a promising paradigm for removing unwanted data samples from a trained model, towards ensuring compliance with privacy regulations and limiting harmful biases. Although unlearning has been shown in, e.g.,…

Image and Video Processing · Electrical Eng. & Systems 2024-06-19 Yuyang Xue , Jingshuai Liu , Steven McDonagh , Sotirios A. Tsaftaris

In this paper, we reproduce the experimental results presented in our previous work titled "Making Users Indistinguishable: Attribute-wise Unlearning in Recommender Systems," which was published in the proceedings of the 31st ACM…

Information Retrieval · Computer Science 2025-04-01 Yuyuan Li , Junjie Fang , Chaochao Chen , Xiaolin Zheng , Yizhao Zhang , Zhongxuan Han

Machine learning models (mainly neural networks) are used more and more in real life. Users feed their data to the model for training. But these processes are often one-way. Once trained, the model remembers the data. Even when data is…

Machine Learning · Computer Science 2022-10-03 Zihao Cao , Jianzong Wang , Shijing Si , Zhangcheng Huang , Jing Xiao

As pretrained models are increasingly shared on the web, ensuring that models can forget or delete sensitive, copyrighted, or private information upon request has become crucial. Machine unlearning has been proposed to address this…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Yurim Jang , Jaeung Lee , Dohyun Kim , Jaemin Jo , Simon S. Woo

Recommender systems play an essential role in the choices people make in domains such as entertainment, shopping, food, news, employment, and education. The machine learning models underlying these recommender systems are often enormously…

Information Retrieval · Computer Science 2023-08-30 Sahil Verma , Ashudeep Singh , Varich Boonsanong , John P. Dickerson , Chirag Shah