English
Related papers

Related papers: Per-parameter Task Arithmetic for Unlearning in La…

200 papers

In recent years, Large Language Models (LLMs) have made significant strides towards Artificial General Intelligence. However, training these models from scratch requires substantial computational resources and vast amounts of text data. In…

Computation and Language · Computer Science 2024-10-03 Wenzhen Zheng , Wenbo Pan , Xu Xu , Libo Qin , Li Yue , Ming Zhou

Large Language Models (LLMs) exhibit strong general language capabilities. However, fine-tuning these models on domain-specific tasks often leads to catastrophic forgetting, where the model overwrites or loses essential knowledge acquired…

Computation and Language · Computer Science 2025-02-18 Shezheng Song , Hao Xu , Jun Ma , Shasha Li , Long Peng , Qian Wan , Xiaodong Liu , Jie Yu

Machine unlearning is an emerging technology that removes a subset of the training data from a trained model without significantly affecting the model performance on the remaining data. This topic is becoming increasingly important in…

Machine Learning · Computer Science 2026-05-12 Laiqiao Qin , Tianqing Zhu , Linlin Wang , Wanlei Zhou

We study how to perform unlearning, i.e. forgetting undesirable misbehaviors, on large language models (LLMs). We show at least three scenarios of aligning LLMs with human preferences can benefit from unlearning: (1) removing harmful…

Computation and Language · Computer Science 2024-02-20 Yuanshun Yao , Xiaojun Xu , Yang Liu

Scaled post-training now drives many of the largest capability gains in language models (LMs), yet its effect on pretrained knowledge remains poorly understood. Not all forgetting is equal: Forgetting one fact (e.g., a U.S. president or an…

Machine Learning · Computer Science 2025-10-21 Jackson Harmon , Andreas Hochlehnert , Matthias Bethge , Ameya Prabhu

Pruning is a widely used technique to reduce the size and inference cost of large language models (LLMs), but it often causes performance degradation. To mitigate this, existing restoration methods typically employ parameter-efficient…

Machine Learning · Computer Science 2025-10-28 Zijian Feng , Hanzhang Zhou , Zixiao Zhu , Tianjiao Li , Jia Jim Deryl Chua , Lee Onn Mak , Gee Wah Ng , Kezhi Mao

Large language models (LLMs) are trained for downstream tasks by updating their parameters (e.g., via RL). However, updating parameters forces them to absorb task-specific information, which can result in catastrophic forgetting and loss of…

Unlearning in large foundation models (e.g., LLMs) is essential for enabling dynamic knowledge updates, enforcing data deletion rights, and correcting model behavior. However, existing unlearning methods often require full-model fine-tuning…

Machine Learning · Computer Science 2025-12-09 Yezi Liu , Hanning Chen , Wenjun Huang , Yang Ni , Mohsen Imani

Machine unlearning is an emerging technique that removes the influence of a subset of training data (forget set) from a model without full retraining, with applications including privacy protection, content moderation, and model correction.…

Computation and Language · Computer Science 2025-10-02 Hong kyu Lee , Ruixuan Liu , Li Xiong

While Large Language Models (LLMs) excel at code generation, their inherent tendency toward verbatim memorization of training data introduces critical risks like copyright infringement, insecure emission, and deprecated API utilization,…

Software Engineering · Computer Science 2025-11-25 Xue Jiang , Yihong Dong , Huangzhao Zhang , Tangxinyu Wang , Zheng Fang , Yingwei Ma , Rongyu Cao , Binhua Li , Zhi Jin , Wenpin Jiao , Yongbin Li , Ge Li

Understanding and shaping the behaviour of Large Language Models (LLMs) is increasingly important as applications become more powerful and more frequently adopted. This paper introduces a machine unlearning method specifically designed for…

Machine Learning · Computer Science 2024-07-25 Nicholas Pochinkov , Nandi Schoots

Information removal or suppression in large language models (LLMs) is a desired functionality, useful in AI regulation, legal compliance, safety, and privacy. LLM unlearning methods aim to remove information on demand from LLMs. Current LLM…

Artificial Intelligence · Computer Science 2025-07-09 Debdeep Sanyal , Murari Mandal

Recently, large language models (LLMs) have emerged as a notable field, attracting significant attention for its ability to automatically generate intelligent contents for various application domains. However, LLMs still suffer from…

Cryptography and Security · Computer Science 2024-04-29 Kongyang Chen , Zixin Wang , Bing Mi , Waixi Liu , Shaowei Wang , Xiaojun Ren , Jiaxing Shen

As Multimodal Large Language Models (MLLMs) develop, their potential security issues have become increasingly prominent. Machine Unlearning (MU), as an effective strategy for forgetting specific knowledge in training data, has been widely…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Junkai Chen , Zhijie Deng , Kening Zheng , Yibo Yan , Shuliang Liu , PeiJun Wu , Peijie Jiang , Jia Liu , Xuming Hu

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

Various parameter-efficient fine-tuning (PEFT) techniques have been proposed to enable computationally efficient fine-tuning while maintaining model performance. However, existing PEFT methods are still limited by the growing number of…

Computation and Language · Computer Science 2024-02-20 Yifan Yang , Jiajun Zhou , Ngai Wong , Zheng Zhang

The integration of speech into Large Language Models (LLMs) has substantially expanded their capabilities, but often at the cost of weakening their core textual competence. This degradation limits the ability of speech-enabled LLMs to fully…

Computation and Language · Computer Science 2025-09-30 Chao Wang , Rui-Chen Zheng , Yang Ai , Zhen-Hua Ling

Fine-tuning large pre-trained language models on downstream tasks has become the de-facto learning paradigm in NLP. However, conventional approaches fine-tune all the parameters of the pre-trained model, which becomes prohibitive as the…

Computation and Language · Computer Science 2022-02-03 Junxian He , Chunting Zhou , Xuezhe Ma , Taylor Berg-Kirkpatrick , Graham Neubig

Machine unlearning is the problem of removing the effect of a subset of training data (the ''forget set'') from a trained model without damaging the model's utility e.g. to comply with users' requests to delete their data, or remove…

Machine Learning · Computer Science 2024-11-01 Kairan Zhao , Meghdad Kurmanji , George-Octavian Bărbulescu , Eleni Triantafillou , Peter Triantafillou

In this paper, we introduce a method for fine-tuning Large Language Models (LLMs), inspired by Multi-Task learning in a federated manner. Our approach leverages the structure of each client's model and enables a learning scheme that…

Machine Learning · Computer Science 2024-10-22 Ahmed Elbakary , Chaouki Ben Issaid , Tamer ElBatt , Karim Seddik , Mehdi Bennis