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Large language Models (LLMs) have demonstrated remarkable skills across various domains. Understanding the mechanisms behind their abilities and implementing controls over them is becoming increasingly important for developing better…

计算与语言 · 计算机科学 2025-04-01 Yongce Li , Chung-En Sun , Tsui-Wei Weng

Although Large Language Models (LLMs) have demonstrated impressive capabilities across a wide range of tasks, growing concerns have emerged over the misuse of sensitive, copyrighted, or harmful data during training. To address these…

Foundation models have transformed multimedia analysis by enabling robust and transferable representations across diverse modalities and tasks. However, their static deployment conflicts with growing societal and regulatory demands --…

VLMs trained on web-scale data retain sensitive and copyrighted visual concepts that deployment may require removing. Training-based unlearning methods share a structural flaw: fine-tuning on a narrow forget set degrades general…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Zhangyun Tan , Zeliang Zhang , Susan Liang , Yolo Yunlong Tang , Lisha Chen , Chenliang Xu

As AI models are trained on ever-expanding datasets, the ability to remove the influence of specific data from trained models has become essential for privacy protection and regulatory compliance. Unlearning addresses this challenge by…

人工智能 · 计算机科学 2026-01-21 Shizhou Xu , Yuan Ni , Stefan Broecker , Thomas Strohmer

While many recent methods aim to unlearn or remove knowledge from pretrained models, seemingly erased knowledge often persists and can be recovered in various ways. Because large foundation models are far from interpretable, understanding…

机器学习 · 计算机科学 2026-02-24 Shingo Kodama , Niv Cohen , Micah Adler , Nir Shavit

Models trained on a new task typically degrade on prior tasks, a phenomenon known as forgetting. Traditionally, mitigating forgetting has required replaying stored exemplars from prior tasks, which is often impractical. By contrast,…

机器学习 · 计算机科学 2026-05-26 Martin Marek , Dongkyu Cho , Shikai Qiu , Rumi Chunara , Pavel Izmailov , Andrew Gordon Wilson

Large language models often fail to satisfy formatting instructions when they must simultaneously perform demanding tasks. We study this behaviour through a prospective memory inspired lens from cognitive psychology, using a controlled…

计算与语言 · 计算机科学 2026-03-26 Avni Mittal

Generative models such as Large Language Models (LLMs) and Multimodal Large Language Models (MLLMs) trained on massive datasets can lead them to memorize and inadvertently reveal sensitive information, raising ethical and privacy concerns.…

计算与语言 · 计算机科学 2025-07-24 Zheyuan Liu , Guangyao Dou , Xiangchi Yuan , Chunhui Zhang , Zhaoxuan Tan , Meng Jiang

Large Language Models' knowledge of how to perform cyber-security attacks, create bioweapons, and manipulate humans poses risks of misuse. Previous work has proposed methods to unlearn this knowledge. Historically, it has been unclear…

机器学习 · 计算机科学 2025-02-10 Aghyad Deeb , Fabien Roger

With the passage of the Right to Be Forgotten (RTBF) regulations and the scaling up of language model training datasets, research on model unlearning in large language models (LLMs) has become more crucial. Before the era of LLMs, machine…

计算与语言 · 计算机科学 2024-06-05 Bichen Wang , Yuzhe Zi , Yixin Sun , Yanyan Zhao , Bing Qin

Large Language Models have received significant attention due to their abilities to solve a wide range of complex tasks. However these models memorize a significant proportion of their training data, posing a serious threat when disclosed…

密码学与安全 · 计算机科学 2025-07-16 Jérémie Dentan , Davide Buscaldi , Aymen Shabou , Sonia Vanier

Machine unlearning aims to remove specific information, e.g. sensitive or undesirable content, from large language models (LLMs) while preserving overall performance. We propose an inference-time unlearning algorithm that uses contrastive…

计算与语言 · 计算机科学 2025-06-17 Vinith M. Suriyakumar , Ayush Sekhari , Ashia Wilson

Large Language Models (LLMs) inherently encode a wealth of knowledge within their parameters through pre-training on extensive corpora. While prior research has delved into operations on these parameters to manipulate the underlying…

计算与语言 · 计算机科学 2024-05-09 Ming Zhong , Chenxin An , Weizhu Chen , Jiawei Han , Pengcheng He

Pretrained large language models (LLMs) have revolutionized natural language processing (NLP) tasks such as summarization, question answering, and translation. However, LLMs pose significant security risks due to their tendency to memorize…

计算与语言 · 计算机科学 2024-09-24 Zhepeng Wang , Runxue Bao , Yawen Wu , Jackson Taylor , Cao Xiao , Feng Zheng , Weiwen Jiang , Shangqian Gao , Yanfu Zhang

Language models retain a significant amount of world knowledge from their pre-training stage. This allows knowledgeable models to be applied to knowledge-intensive tasks prevalent in information retrieval, such as ranking or question…

计算与语言 · 计算机科学 2023-06-13 Jonas Wallat , Tianyi Zhang , Avishek Anand

Large language models (LLMs) inherently absorb harmful knowledge, misinformation, and personal data during pretraining on large-scale web corpora, with no native mechanism for selective removal. While machine unlearning offers a principled…

人工智能 · 计算机科学 2026-04-15 Jagadeesh Rachapudi , Pranav Singh , Ritali Vatsi , Praful Hambarde , Amit Shukla

Large language models (LLMs) acquire a large amount of knowledge through pre-training on vast and diverse corpora. While this endows LLMs with strong capabilities in generation and reasoning, it amplifies risks associated with sensitive,…

密码学与安全 · 计算机科学 2026-02-25 Ce Fang , Zhikun Zhang , Min Chen , Qing Liu , Lu Zhou , Zhe Liu , Yunjun Gao

The growing concern over training data privacy has elevated the "Right to be Forgotten" into a critical requirement, thereby raising the demand for effective Machine Unlearning. However, existing unlearning approaches commonly suffer from a…

机器学习 · 计算机科学 2026-02-20 Haoyu Wang , Zhuo Huang , Xiaolong Wang , Bo Han , Zhiwei Lin , Tongliang Liu

Large Vision-Language Models (LVLMs) can recognize individuals in images and disclose sensitive personal information about them, raising critical privacy concerns. Machine unlearning aims to remove such knowledge from the model. However,…

机器学习 · 计算机科学 2026-04-21 Minsung Kim , Nakyeong Yang , Kyomin Jung