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Related papers: Tracing and Reversing Edits in LLMs

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Knowledge editing aims to change language models' performance on several special cases (i.e., editing scope) by infusing the corresponding expected knowledge into them. With the recent advancements in large language models (LLMs), knowledge…

Computation and Language · Computer Science 2024-05-31 Jiaan Wang , Yunlong Liang , Zengkui Sun , Yuxuan Cao , Jiarong Xu , Fandong Meng

Knowledge editing (KE) provides a lightweight alternative to repeated fine-tuning of LLMs. However, most existing KE methods target dense feed-forward layers, while modern LLMs increasingly adopt Mixture-of-Experts (MoE) architectures for…

Machine Learning · Computer Science 2026-05-19 Roman Maksimov , Vladimir Aletov , Dmitry Bylinkin , Daniil Medyakov , Vladimir Solodkin , Aleksandr Beznosikov

Large language models (LLMs) are pivotal in advancing natural language processing (NLP) tasks, yet their efficacy is hampered by inaccuracies and outdated knowledge. Model editing emerges as a promising solution to address these challenges.…

Computation and Language · Computer Science 2024-02-22 Mengqi Zhang , Xiaotian Ye , Qiang Liu , Pengjie Ren , Shu Wu , Zhumin Chen

Large language models (LLMs) are pretrained on corpora containing trillions of tokens and, therefore, inevitably memorize sensitive information. Locate-then-edit methods, as a mainstream paradigm of model editing, offer a promising solution…

Cryptography and Security · Computer Science 2026-05-19 Zhiyu Sun , Minrui Luo , Yu Wang , Zhili Chen , Tianxing He

Knowledge editing techniques, aiming to efficiently modify a minor proportion of knowledge in large language models (LLMs) without negatively impacting performance across other inputs, have garnered widespread attention. However, existing…

Computation and Language · Computer Science 2024-06-06 Yuxin Jiang , Yufei Wang , Chuhan Wu , Wanjun Zhong , Xingshan Zeng , Jiahui Gao , Liangyou Li , Xin Jiang , Lifeng Shang , Ruiming Tang , Qun Liu , Wei Wang

Large Language Model (LLM) editing modifies factual information in LLMs. Locate-and-Edit (L\&E) methods accomplish this by finding where relevant information is stored within the neural network, and editing the weights at that location. The…

Computation and Language · Computer Science 2024-01-17 Itai Feigenbaum , Devansh Arpit , Huan Wang , Shelby Heinecke , Juan Carlos Niebles , Weiran Yao , Caiming Xiong , Silvio Savarese

Large language models (LLMs) can make predictions using parametric knowledge--knowledge encoded in the model weights--or contextual knowledge--knowledge presented in the context. In many scenarios, a desirable behavior is that LLMs give…

Computation and Language · Computer Science 2024-03-27 Yingfa Chen , Zhengyan Zhang , Xu Han , Chaojun Xiao , Zhiyuan Liu , Chen Chen , Kuai Li , Tao Yang , Maosong Sun

The releases of powerful open-weight large language models (LLMs) are often not accompanied by access to their full training data. Existing interpretability methods, particularly those based on activations, often require or assume…

Machine Learning · Computer Science 2026-04-22 Ziqian Zhong , Aditi Raghunathan

Large language models (LLMs) encode vast amounts of world knowledge but remain static once trained, making the timely integration of emerging facts prohibitively expensive via full retraining. Knowledge-editing techniques have thus emerged…

Computation and Language · Computer Science 2025-09-03 Yuchen Wu , Liang Ding , Li Shen , Dacheng Tao

We call into question the recently popularized method of direct model editing as a means of correcting factual errors in LLM generations. We contrast model editing with three similar but distinct approaches that pursue better defined…

Computation and Language · Computer Science 2023-10-19 Yuval Pinter , Michael Elhadad

Lexical Simplification (LS) aims to simplify text at the lexical level. Existing methods rely heavily on annotated data, making it challenging to apply in low-resource scenarios. In this paper, we propose a novel LS method without parallel…

Computation and Language · Computer Science 2024-03-25 Keren Tan , Kangyang Luo , Yunshi Lan , Zheng Yuan , Jinlong Shu

Model editing techniques are essential for efficiently updating knowledge in large language models (LLMs). However, the effectiveness of existing approaches degrades in massive editing scenarios, particularly when evaluated with practical…

Computation and Language · Computer Science 2026-02-25 Yanbo Dai , Zhenlan Ji , Zongjie Li , Shuai Wang

Knowledge editing has emerged as an efficient technique for updating the knowledge of large language models (LLMs), attracting increasing attention in recent years. However, there is a lack of effective measures to prevent the malicious…

Computation and Language · Computer Science 2025-05-27 Xiaopeng Li , Shasha Li , Shangwen Wang , Shezheng Song , Bin Ji , Huijun Liu , Jun Ma , Jie Yu

Large language models (LLMs) have emerged as powerful knowledge bases yet are limited by static training data, leading to issues such as hallucinations and safety risks. Editing a model's internal knowledge through the locate-and-edit…

Computation and Language · Computer Science 2025-08-12 Zian Su , Ziyang Huang , Kaiyuan Zhang , Xiangyu Zhang

Large Language Models (LLMs) have emerged as a new information channel. Meanwhile, one critical but under-explored question is: Is it possible to bypass the safety alignment and inject harmful information into LLMs stealthily? In this…

Knowledge represented in Large Language Models (LLMs) is quite often incorrect and can also become obsolete over time. Updating knowledge via fine-tuning is computationally resource-hungry and not reliable, and so knowledge editing (KE) has…

Computation and Language · Computer Science 2023-12-21 Weixuan Wang , Barry Haddow , Alexandra Birch

Large language models (LLMs) acquire information from pre-training corpora, but their stored knowledge can become inaccurate or outdated over time. Model editing addresses this challenge by modifying model parameters without retraining, and…

Computation and Language · Computer Science 2025-09-09 Zherui Li , Houcheng Jiang , Hao Chen , Baolong Bi , Zhenhong Zhou , Fei Sun , Junfeng Fang , Xiang Wang

Knowledge editing and machine unlearning are two popular approaches for large language models (LLMs) to stay up-to-date. However, the knowledge updating mechanism of LLMs remains largely unexplored due to insufficient, isolated, and…

Computation and Language · Computer Science 2026-03-26 Yinyi Luo , Zhexian Zhou , Hao Chen , Kai Qiu , Marios Savvides , Sharon Li , Jindong Wang

Knowledge editing has been proposed as an effective method for updating and correcting the internal knowledge of Large Language Models (LLMs). However, existing editing methods often struggle with complex tasks, such as multi-hop reasoning.…

Computation and Language · Computer Science 2025-06-18 Mengqi Zhang , Xiaotian Ye , Qiang Liu , Pengjie Ren , Shu Wu , Zhumin Chen

Large language Model (LLM) unlearning, i.e., selectively removing information from LLMs, is vital for responsible model deployment. Differently, LLM knowledge editing aims to modify LLM knowledge instead of removing it. Though editing and…

Machine Learning · Computer Science 2025-05-27 Zexi Li , Xiangzhu Wang , William F. Shen , Meghdad Kurmanji , Xinchi Qiu , Dongqi Cai , Chao Wu , Nicholas D. Lane