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Related papers: Recommendation Unlearning via Influence Function

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How does the training data affect a model's behavior? This is the question we seek to answer with data attribution. The leading practical approaches to data attribution are based on influence functions (IF). IFs utilize a first-order Taylor…

Machine Learning · Computer Science 2025-09-11 Ittai Rubinstein , Samuel B. Hopkins

Recommender systems provide essential web services by learning users' personal preferences from collected data. However, in many cases, systems also need to forget some training data. From the perspective of privacy, several privacy…

Information Retrieval · Computer Science 2022-01-26 Chong Chen , Fei Sun , Min Zhang , Bolin Ding

Assessing the impact the training data on machine learning models is crucial for understanding the behavior of the model, enhancing the transparency, and selecting training data. Influence function provides a theoretical framework for…

Machine Learning · Computer Science 2026-04-21 Yuchen Zhang , Mohammad Mohammadi Amiri

This paper describes LIBU (LoRA enhanced influence-based unlearning), an algorithm to solve the task of unlearning - removing specific knowledge from a large language model without retraining from scratch and compromising its overall…

Computation and Language · Computer Science 2025-06-05 Aleksey Kudelya , Alexander Shirnin

Recently, the enactment of ``right to be forgotten" laws and regulations has imposed new privacy requirements on federated learning (FL). Researchers aim to remove the influence of certain data from the trained model without training from…

Machine Learning · Computer Science 2025-03-11 Lei Zhou , Youwen Zhu , Qiao Xue , Ji Zhang , Pengfei Zhang

Influence functions efficiently estimate the effect of removing a single training data point on a model's learned parameters. While influence estimates align well with leave-one-out retraining for linear models, recent works have shown this…

Machine Learning · Computer Science 2022-09-13 Juhan Bae , Nathan Ng , Alston Lo , Marzyeh Ghassemi , Roger Grosse

As a new and promising approach, existing machine unlearning (MU) works typically emphasize theoretical formulations or optimization objectives to achieve knowledge removal. However, when deployed in real-world scenarios, such solutions…

Machine Learning · Computer Science 2025-10-31 Minyi Peng , Darian Gunamardi , Ivan Tjuawinata , Kwok-Yan Lam

Identifying the training datasets that influence a language model's outputs is essential for minimizing the generation of harmful content and enhancing its performance. Ideally, we can measure the influence of each dataset by removing it…

Computation and Language · Computer Science 2024-06-14 Masaru Isonuma , Ivan Titov

Machine unlearning poses challenges in removing mislabeled, contaminated, or problematic data from a pretrained model. Current unlearning approaches and evaluation metrics are solely focused on model predictions, which limits insight into…

Machine Learning · Computer Science 2026-04-13 Khoa Tran , Simon S. Woo

Recommender systems have become increasingly influential in shaping user behavior and decision-making, highlighting their growing impact in various domains. Meanwhile, the widespread adoption of machine learning models in recommender…

Information Retrieval · Computer Science 2025-12-04 Yuyuan Li , Xiaohua Feng , Chaochao Chen , Qiang Yang

Machine unlearning focuses on efficiently removing specific data from trained models, addressing privacy and compliance concerns with reasonable costs. Although exact unlearning ensures complete data removal equivalent to retraining, it is…

Cryptography and Security · Computer Science 2025-06-17 Nima Naderloui , Shenao Yan , Binghui Wang , Jie Fu , Wendy Hui Wang , Weiran Liu , Yuan Hong

Since the recent advent of regulations for data protection (e.g., the General Data Protection Regulation), there has been increasing demand in deleting information learned from sensitive data in pre-trained models without retraining from…

Machine Learning · Computer Science 2024-01-17 Sungmin Cha , Sungjun Cho , Dasol Hwang , Honglak Lee , Taesup Moon , Moontae Lee

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

Radio Frequency Fingerprinting (RFF) is a key technology for identity authentication in wireless networks. However, due to the rapid dynamics of Autonomous Aerial Vehicles (AAVs) in low-altitude wireless networks, RFF models require…

Signal Processing · Electrical Eng. & Systems 2026-04-28 Ce Liu , Rui Meng , Yinqiu Liu , Xiaodong Xu , Yi Ma , Rahim Tafazolli , Ping Zhang

Modern recommender systems heavily leverage user interaction data to deliver personalized experiences. However, relying on personal data presents challenges in adhering to privacy regulations, such as the GDPR's "right to be forgotten".…

Information Retrieval · Computer Science 2025-09-19 Pierre Lubitzsch , Olga Ovcharenko , Hao Chen , Maarten de Rijke , Sebastian Schelter

A challenge of channel pruning is designing efficient and effective criteria to select channels to prune. A widely used criterion is minimal performance degeneration. To accurately evaluate the truth performance degeneration requires…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Hongrong Cheng , Miao Zhang , Javen Qinfeng Shi

One of the most effective methods of channel pruning is to trim on the basis of the importance of each neuron. However, measuring the importance of each neuron is an NP-hard problem. Previous works have proposed to trim by considering the…

Machine Learning · Computer Science 2021-12-07 Bilan Lai , Haoran Xiang , Furao Shen

Machine unlearning requires removing the information of forgetting data while keeping the necessary information of remaining data. Despite recent advancements in this area, existing methodologies mainly focus on the effect of removing…

Machine Learning · Computer Science 2024-02-01 Shaofei Shen , Chenhao Zhang , Alina Bialkowski , Weitong Chen , Miao Xu

Machine unlearning seeks to remove the influence of specific training data from a model, a need driven by privacy regulations and robustness concerns. Existing approaches typically modify model parameters, but such updates can be unstable,…

Machine Learning · Computer Science 2026-05-29 Antonio Almudévar , Alfonso Ortega

Users of a recommender system may want part of their data being deleted, not only from the data repository but also from the underlying machine learning model, for privacy or utility reasons. Such right-to-be-forgotten requests could be…

Information Retrieval · Computer Science 2022-08-16 Wenyan Liu , Juncheng Wan , Xiaoling Wang , Weinan Zhang , Dell Zhang , Hang Li