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Recently, there has been a growing interest in knowledge editing for Large Language Models (LLMs). Current approaches and evaluations merely explore the instance-level editing, while whether LLMs possess the capability to modify concepts…

Computation and Language · Computer Science 2024-10-08 Xiaohan Wang , Shengyu Mao , Ningyu Zhang , Shumin Deng , Yunzhi Yao , Yue Shen , Lei Liang , Jinjie Gu , Huajun Chen

Model editing aims to modify the outputs of large language models after they are trained. Previous approaches have often involved direct alterations to model weights, which can result in model degradation. Recent techniques avoid making…

Computation and Language · Computer Science 2025-10-10 Hammad Rizwan , Domenic Rosati , Ga Wu , Hassan Sajjad

Model editing aims to correct outdated or erroneous knowledge in large models without costly retraining. Recent research discovered that the mid-layer representation of the subject's final token in a prompt has a strong influence on factual…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Qizhou Chen , Taolin Zhang , Chengyu Wang , Xiaofeng He , Dakan Wang , Tingting Liu

Aligning large language models (LLMs) with human objectives is crucial for real-world applications. However, fine-tuning LLMs for alignment often suffers from unstable training and requires substantial computing resources. Test-time…

Artificial Intelligence · Computer Science 2024-11-05 Lingkai Kong , Haorui Wang , Wenhao Mu , Yuanqi Du , Yuchen Zhuang , Yifei Zhou , Yue Song , Rongzhi Zhang , Kai Wang , Chao Zhang

Large language models (LLMs) exhibit impressive language capabilities but remain vulnerable to malicious prompts and jailbreaking attacks. Existing knowledge editing methods for LLM detoxification face two major challenges. First, they…

Computation and Language · Computer Science 2025-05-29 Yifan Lu , Jing Li , Yigeng Zhou , Yihui Zhang , Wenya Wang , Xiucheng Li , Meishan Zhang , Fangming Liu , Jun Yu , Min Zhang

Large language models (LLMs) have played a pivotal role in building communicative AI, yet they encounter the challenge of efficient updates. Model editing enables the manipulation of specific knowledge memories and the behavior of language…

Computation and Language · Computer Science 2024-10-28 Xinbei Ma , Tianjie Ju , Jiyang Qiu , Zhuosheng Zhang , Hai Zhao , Lifeng Liu , Yulong Wang

This work explores sequential model editing in large language models (LLMs), a critical task that involves modifying internal knowledge within LLMs continuously through multi-round editing, each incorporating updates or corrections to…

Computation and Language · Computer Science 2024-10-08 Houcheng Jiang , Junfeng Fang , Tianyu Zhang , An Zhang , Ruipeng Wang , Tao Liang , Xiang Wang

Model editing is a technique that edits the large language models (LLMs) with updated knowledge to alleviate hallucinations without resource-intensive retraining. While current model editing methods can effectively modify a model's behavior…

Computation and Language · Computer Science 2024-10-08 Jia-Chen Gu , Hao-Xiang Xu , Jun-Yu Ma , Pan Lu , Zhen-Hua Ling , Kai-Wei Chang , Nanyun Peng

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

Knowledge editing is a rising technique for efficiently updating factual knowledge in large language models (LLMs) with minimal alteration of parameters. However, recent studies have identified side effects, such as knowledge distortion and…

Computation and Language · Computer Science 2024-10-28 Cheng-Hsun Hsueh , Paul Kuo-Ming Huang , Tzu-Han Lin , Che-Wei Liao , Hung-Chieh Fang , Chao-Wei Huang , Yun-Nung Chen

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) demonstrate exceptional capabilities in factual question answering, yet they sometimes provide incorrect responses. To address this issue, knowledge editing techniques have emerged as effective methods for…

Human-Computer Interaction · Computer Science 2026-04-01 Zhenning Chen , Hanbei Zhan , Yanwei Huang , Xin Wu , Dazhen Deng , Di Weng , Yingcai Wu

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

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

Grammatical error correction using large language models often suffers from the over-correction issue. To mitigate this, we propose a training-free inference method that performs edit-level majority voting over multiple candidates generated…

Computation and Language · Computer Science 2026-05-14 Takumi Goto , Yusuke Sakai , Taro Watanabe

Sequential knowledge editing techniques aim to continuously update knowledge in large language models at low cost, preventing models from generating outdated or incorrect information. However, existing sequential editing methods suffer from…

Computation and Language · Computer Science 2026-04-01 Ding Cao , Yuchen Cai , Yuqing Huang , Xuesong He , Rongxi Guo , Guiquan Liu , Guangzhong Sun

Knowledge editing emerges as a crucial technique for efficiently correcting incorrect or outdated knowledge in large language models (LLM). Existing editing methods rely on a rigid mapping from parameter or module modifications to output,…

Machine Learning · Computer Science 2026-02-02 Jiajie Su , Haoyuan Wang , Xiaohua Feng , Yunshan Ma , Xiaobo Xia , Yuyuan Li , Xiaolin Zheng , Jianmao Xiao , Chaochao Chen

Knowledge editing has emerged as an effective approach for updating large language models (LLMs) by modifying their internal knowledge. However, their application to the biomedical domain faces unique challenges due to the long-tailed…

Computation and Language · Computer Science 2025-04-15 Xinhao Yi , Jake Lever , Kevin Bryson , Zaiqiao Meng

Multimodal large language models (MLLMs) need efficient mechanisms to update knowledge without degrading existing capabilities. While intrinsic multimodal knowledge editing achieves strong reliability and locality, it often exhibits limited…

Artificial Intelligence · Computer Science 2026-05-25 Haoyuan Wang , Xiaohao Liu , Jiajie Su , Jianmao Xiao , Chaochao Chen

As real-world knowledge evolves, the information embedded within large language models (LLMs) can become outdated, inadequate, or erroneous. Model editing has emerged as a prominent approach for updating LLMs' knowledge with minimal…

Computation and Language · Computer Science 2025-03-10 Guoxiu He , Xin Song , Aixin Sun