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Large Language Models (LLMs) are increasingly integrated into real-world applications, raising concerns about privacy, security and the need to remove undesirable knowledge. Machine Unlearning has emerged as a promising solution, yet faces…

机器学习 · 计算机科学 2025-10-22 Yisheng Zhong , Zhengbang Yang , Zhuangdi Zhu

The performance of large language models (LLMs) continues to improve, as reflected in rising scores on standard benchmarks. However, the lack of transparency around training data raises concerns about potential overlap with evaluation sets…

计算与语言 · 计算机科学 2025-06-02 Naila Shafirni Hidayat , Muhammad Dehan Al Kautsar , Alfan Farizki Wicaksono , Fajri Koto

Large Language Models (LLMs) have a privacy concern because they memorize training data (including personally identifiable information (PII) like emails and phone numbers) and leak it during inference. A company can train an LLM on its…

密码学与安全 · 计算机科学 2023-07-21 Jaydeep Borkar

Catastrophic forgetting remains a formidable obstacle to building an omniscient model in large language models (LLMs). Despite the pioneering research on task-level forgetting in LLM fine-tuning, there is scant focus on forgetting during…

计算与语言 · 计算机科学 2024-10-23 Chonghua Liao , Ruobing Xie , Xingwu Sun , Haowen Sun , Zhanhui Kang

The past a few years have witnessed the great success of large language models, demonstrating powerful capabilities in comprehending textual data and generating human-like languages. Large language models achieve success by being trained on…

计算与语言 · 计算机科学 2025-03-20 Estrid He , Tabinda Sarwar , Ibrahim Khalil , Xun Yi , Ke Wang

Large language model (LLM) unlearning has emerged as a crucial post-hoc mechanism for privacy protection and AI safety, yet auditing whether target knowledge is truly erased remains challenging. Existing output-level metrics fail to detect…

计算与语言 · 计算机科学 2026-05-26 Jaeung Lee , Dohyun Kim , Jaemin Jo

Natural Language Processing (NLP) research is increasingly focusing on the use of Large Language Models (LLMs), with some of the most popular ones being either fully or partially closed-source. The lack of access to model details,…

计算与语言 · 计算机科学 2024-02-23 Simone Balloccu , Patrícia Schmidtová , Mateusz Lango , Ondřej Dušek

Large language models (LLMs) trained over extensive corpora risk memorizing sensitive, copyrighted, or toxic content. To address this, we propose \textbf{OBLIVIATE}, a robust unlearning framework that removes targeted data while preserving…

计算与语言 · 计算机科学 2025-09-10 Xiaoyu Xu , Minxin Du , Qingqing Ye , Haibo Hu

Large Language Models (LLMs) have achieved remarkable success across various tasks, yet their ability to learn incrementally without forgetting remains underexplored. Incremental learning (IL) is crucial as it enables models to acquire new…

机器学习 · 计算机科学 2024-06-19 Junhao Zheng , Shengjie Qiu , Qianli Ma

Standard large language model training can create models that produce outputs their trainer deems unacceptable in deployment. The probability of these outputs can be reduced using methods such as LLM unlearning. However, unlearning a set of…

机器学习 · 计算机科学 2026-02-12 Lev McKinney , Anvith Thudi , Juhan Bae , Tara Rezaei , Nicolas Papernot , Sheila A. McIlraith , Roger Grosse

Recent work has demonstrated that machine unlearning in Large Language Models (LLMs) fails to generalize across languages: knowledge erased in one language frequently remains accessible through others. However, the underlying cause of this…

密码学与安全 · 计算机科学 2026-02-27 Taoran Li , Varun Chandrasekaran , Zhiyuan Yu

While many have shown how Large Language Models (LLMs) can be applied to a diverse set of tasks, the critical issues of data contamination and memorization are often glossed over. In this work, we address this concern for tabular data.…

机器学习 · 计算机科学 2024-03-12 Sebastian Bordt , Harsha Nori , Rich Caruana

Machine unlearning aims to selectively remove targeted knowledge from Large Language Models (LLMs), ensuring they forget specified content while retaining essential information. Existing unlearning metrics assess whether a model correctly…

计算与语言 · 计算机科学 2025-05-28 Wonje Jeung , Sangyeon Yoon , Albert No

The need for effective unlearning mechanisms in large language models (LLMs) is increasingly urgent, driven by the necessity to adhere to data regulations and foster ethical generative AI practices. Despite growing interest of LLM…

机器学习 · 计算机科学 2025-04-15 Jinghan Jia , Jiancheng Liu , Yihua Zhang , Parikshit Ram , Nathalie Baracaldo , Sijia Liu

Large language models trained on vast corpora inherently risk memorizing sensitive or harmful content, which may later resurface in their outputs. Prevailing unlearning methods generally rely on gradient ascent and its variants to lower the…

机器学习 · 计算机科学 2026-03-16 Kemou Li , Qizhou Wang , Yue Wang , Fengpeng Li , Jun Liu , Bo Han , Jiantao Zhou

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

Large language models (LLMs) serve as giant information stores, often including personal or copyrighted data, and retraining them from scratch is not a viable option. This has led to the development of various fast, approximate unlearning…

计算与语言 · 计算机科学 2024-10-18 Minseok Choi , ChaeHun Park , Dohyun Lee , Jaegul Choo

Fine-tuning large language models (LLMs) is intended to improve their reasoning capabilities, yet we uncover a counterintuitive effect: models often forget how to solve problems they previously answered correctly during training. We term…

The rapid advancements in artificial intelligence (AI) have primarily focused on the process of learning from data to acquire knowledgeable learning systems. As these systems are increasingly deployed in critical areas, ensuring their…

机器学习 · 计算机科学 2025-12-23 Wei Qian , Chenxu Zhao , Yangyi Li , Mengdi Huai

Large language models (LLMs) have achieved impressive success on many benchmarks for mathematical reasoning. However, there is growing concern that some of this performance actually reflects dataset contamination, where data closely…