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Large Language Models (LLMs) have shown strong potential in accelerating digital hardware design through automated code generation. Yet, ensuring their reliability remains a critical challenge, as existing LLMs trained on massive…

机器学习 · 计算机科学 2025-12-08 Yiwen Liang , Qiufeng Li , Shikai Wang , Weidong Cao

With growing demands for privacy protection, security, and legal compliance (e.g., GDPR), machine unlearning has emerged as a critical technique for ensuring the controllability and regulatory alignment of machine learning models. However,…

机器学习 · 计算机科学 2026-04-08 Lulu Xue , Shengshan Hu , Wei Lu , Yan Shen , Dongxu Li , Peijin Guo , Ziqi Zhou , Minghui Li , Yanjun Zhang , Leo Yu Zhang

The imperative to eliminate undesirable data memorization underscores the significance of machine unlearning for large language models (LLMs). Recent research has introduced a series of promising unlearning methods, notably boosting the…

机器学习 · 计算机科学 2025-02-26 Qizhou Wang , Bo Han , Puning Yang , Jianing Zhu , Tongliang Liu , Masashi Sugiyama

Large language models (LLMs) have shown remarkable proficiency in generating text, benefiting from extensive training on vast textual corpora. However, LLMs may also acquire unwanted behaviors from the diverse and sensitive nature of their…

计算与语言 · 计算机科学 2025-03-24 Zhiwei Zhang , Fali Wang , Xiaomin Li , Zongyu Wu , Xianfeng Tang , Hui Liu , Qi He , Wenpeng Yin , Suhang Wang

Pretrained knowledge memorized in LLMs raises critical concerns over safety and privacy, which has motivated LLM Unlearning as a technique for selectively removing the influences of undesirable knowledge. Existing approaches, rooted in…

计算与语言 · 计算机科学 2026-02-04 Zhengbang Yang , Yisheng Zhong , Junyuan Hong , Zhuangdi Zhu

As large language models (LLMs) are increasingly deployed across various applications, privacy and copyright concerns have heightened the need for more effective LLM unlearning techniques. Many existing unlearning methods aim to suppress…

计算与语言 · 计算机科学 2025-09-22 Tomoya Yamashita , Akira Ito , Yuuki Yamanaka , Masanori Yamada , Takayuki Miura , Toshiki Shibahara

Large Language Models (LLMs) have demonstrated strong reasoning and memorization capabilities via pretraining on massive textual corpora. However, this poses risk of privacy and copyright violations, highlighting the need for efficient…

机器学习 · 计算机科学 2025-04-28 Sungmin Cha , Sungjun Cho , Dasol Hwang , Moontae Lee

Large Language Models (LLMs) embed sensitive, human-generated data, prompting the need for unlearning methods. Although certified unlearning offers strong privacy guarantees, its restrictive assumptions make it unsuitable for LLMs, giving…

机器学习 · 计算机科学 2025-06-03 Rongzhe Wei , Mufei Li , Mohsen Ghassemi , Eleonora Kreačić , Yifan Li , Xiang Yue , Bo Li , Vamsi K. Potluru , Pan Li , Eli Chien

Meta-reinforcement learning (RL) addresses the problem of sample inefficiency in deep RL by using experience obtained in past tasks for a new task to be solved. However, most meta-RL methods require partially or fully on-policy data, i.e.,…

人工智能 · 计算机科学 2021-01-07 Takahisa Imagawa , Takuya Hiraoka , Yoshimasa Tsuruoka

Unlearning in large language models (LLMs) aims to remove specified data, but its efficacy is typically assessed with task-level metrics like accuracy and perplexity. We show that these metrics can be misleading, as models can appear to…

计算与语言 · 计算机科学 2026-05-19 Xiaoyu Xu , Xiang Yue , Yang Liu , Qingqing Ye , Huadi Zheng , Peizhao Hu , Minxin Du , Haibo Hu

Exact unlearning was first introduced as a privacy mechanism that allowed a user to retract their data from machine learning models on request. Shortly after, inexact schemes were proposed to mitigate the impractical costs associated with…

LLM have achieved success in many fields but still troubled by problematic content in the training corpora. LLM unlearning aims at reducing their influence and avoid undesirable behaviours. However, existing unlearning methods remain…

计算与语言 · 计算机科学 2024-08-21 Hongbang Yuan , Zhuoran Jin , Pengfei Cao , Yubo Chen , Kang Liu , Jun Zhao

LLM unlearning is essential for mitigating safety, copyright, and privacy concerns in pre-trained large language models (LLMs). Compared to preference alignment, it offers a more explicit way by removing undesirable knowledge characterized…

机器学习 · 计算机科学 2026-03-12 Junfeng Liao , Qizhou Wang , Shanshan Ye , Xin Yu , Ling Chen , Zhen Fang

Machine unlearning is a process to remove specific data points from a trained model while maintaining the performance on the retain data, addressing privacy or legal requirements. Despite its importance, existing unlearning evaluations tend…

机器学习 · 计算机科学 2026-01-30 Yongwoo Kim , Sungmin Cha , Donghyun Kim

The goal of Unsupervised Reinforcement Learning (URL) is to find a reward-agnostic prior policy on a task domain, such that the sample-efficiency on supervised downstream tasks is improved. Although agents initialized with such a prior…

机器学习 · 计算机科学 2023-12-19 Frederik Schubert , Carolin Benjamins , Sebastian Döhler , Bodo Rosenhahn , Marius Lindauer

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…

机器学习 · 计算机科学 2021-11-11 Kongyang Chen , Yiwen Wang , Yao Huang

When introducing Large Language Models (LLMs) into industrial applications, such as healthcare and education, the risk of generating harmful content becomes a significant challenge. While existing machine unlearning methods can erase…

计算与语言 · 计算机科学 2026-04-08 Mutsumi Sasaki , Kouta Nakayama , Yusuke Miyao , Yohei Oseki , Masaru Isonuma

Recent advances in machine learning, particularly in Natural Language Processing (NLP), have produced powerful models trained on vast datasets. However, these models risk leaking sensitive information, raising privacy concerns. In response,…

机器学习 · 计算机科学 2025-09-19 Haoyu Tang , Ye Liu , Xi Zhao , Xukai Liu , Yanghai Zhang , Kai Zhang , Xiaofang Zhou , Enhong Chen

Machine unlearning aims to selectively remove the influence of specific training samples to satisfy privacy regulations such as the GDPR's 'Right to be Forgotten'. However, many existing methods require access to the data being removed,…

Unlearning seeks to remove specific knowledge from large language models (LLMs), but its effectiveness remains contested. On one side, "forgotten" knowledge can often be recovered through interventions such as light fine-tuning; on the…

计算与语言 · 计算机科学 2025-09-30 Qingjie Zhang , Haoting Qian , Zhicong Huang , Cheng Hong , Minlie Huang , Ke Xu , Chao Zhang , Han Qiu