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In a rapidly evolving world where information updates swiftly, knowledge in large language models (LLMs) becomes outdated quickly. Retraining LLMs is not a cost-effective option, making knowledge editing (KE) without modifying parameters…

计算与语言 · 计算机科学 2025-09-10 Yi Liu , Xiangrong Zhu , Xiangyu Liu , Wei Wei , Wei Hu

Through systematic empirical investigation, we uncover a fundamental and concerning property of Large Language Models: while they can safely learn facts that don't contradict their knowledge, attempting to update facts with contradictory…

计算与语言 · 计算机科学 2025-06-11 Simone Clemente , Zied Ben Houidi , Alexis Huet , Dario Rossi , Giulio Franzese , Pietro Michiardi

Knowledge editing techniques for large language models (LLMs) can inject knowledge that is later reproducible verbatim, but they fall short on propagating that knowledge: models cannot answer questions that require reasoning with the…

计算与语言 · 计算机科学 2025-06-11 Zeyu Leo Liu , Greg Durrett , Eunsol Choi

Large language models (LLMs) require continual knowledge updates to stay abreast of the ever-changing world facts, prompting the formulation of lifelong model editing task. While recent years have witnessed the development of various…

计算与语言 · 计算机科学 2024-07-01 Renzhi Wang , Piji Li

Model editing aims to update knowledge to add new concepts and change relevant information without retraining. Lifelong editing is a challenging task, prone to disrupting previously learned concepts, especially for Vision Language Models…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Gyanendra Das , Sai Satyam Jena

Large language models (LLMs) have achieved remarkable performance on various natural language tasks. However, they are trained on static corpora and their knowledge can become outdated quickly in the fast-changing world. This motivates the…

计算与语言 · 计算机科学 2025-03-04 Tianci Liu , Ruirui Li , Yunzhe Qi , Hui Liu , Xianfeng Tang , Tianqi Zheng , Qingyu Yin , Monica Xiao Cheng , Jun Huan , Haoyu Wang , Jing Gao

Large Language Models (LLMs) are widely deployed in downstream tasks, but keeping their knowledge up-to-date via retraining or fine-tuning is often computationally expensive. Model editing provides a more efficient alternative by updating a…

计算与语言 · 计算机科学 2025-10-02 Bhiman Kumar Baghel , Emma Jordan , Zheyuan Ryan Shi , Xiang Lorraine Li

Large language models (LLMs) require model editing to efficiently update specific knowledge within them and avoid factual errors. Most model editing methods are solely designed for single-time use and result in a significant forgetting…

计算与语言 · 计算机科学 2025-01-15 Jiaang Li , Quan Wang , Zhongnan Wang , Yongdong Zhang , Zhendong Mao

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…

计算与语言 · 计算机科学 2025-08-12 Zian Su , Ziyang Huang , Kaiyuan Zhang , Xiangyu Zhang

Large language models show impressive abilities in memorizing world knowledge, which leads to concerns regarding memorization of private information, toxic or sensitive knowledge, and copyrighted content. We introduce the problem of Large…

计算与语言 · 计算机科学 2025-02-18 Yu Wang , Ruihan Wu , Zexue He , Xiusi Chen , Julian McAuley

Knowledge stored in large language models requires timely updates to reflect the dynamic nature of real-world information. To update the knowledge, most knowledge editing methods focus on the low layers, since recent probes into the…

计算与语言 · 计算机科学 2024-12-25 Wenhang Shi , Yiren Chen , Shuqing Bian , Xinyi Zhang , Zhe Zhao , Pengfei Hu , Wei Lu , Xiaoyong Du

As real-world knowledge is constantly evolving, ensuring the timeliness and accuracy of a model's knowledge is crucial. This has made knowledge editing in large language models increasingly important. However, existing knowledge editing…

计算与语言 · 计算机科学 2024-12-31 Yongchang Li , Yujin Zhu , Tao Yan , Shijian Fan , Gang Wu , Liang Xu

Large Language Models often contain factually incorrect or outdated knowledge, giving rise to model editing methods for precise knowledge updates. However, current mainstream locate-then-edit approaches exhibit a progressive performance…

计算与语言 · 计算机科学 2025-10-28 Peng Wang , Biyu Zhou , Xuehai Tang , Jizhong Han , Songlin Hu

Sequential knowledge editing in large language models often causes catastrophic collapse of the model's general abilities, especially for parameter-modifying methods. Existing approaches mitigate this issue through heuristic constraints on…

计算与语言 · 计算机科学 2026-05-12 Chi Zhang , Mengqi Zhang , Xiaotian Ye , Runxi Cheng , Zisheng Zhou , Ying Zhou , Pengjie Ren , Zhumin Chen

In recent years, large language models (LLMs), such as GPTs, have attained great impact worldwide. However, how to adapt these LLMs to better suit the vertical domain-specific tasks by utilizing external knowledge remains not completely…

计算与语言 · 计算机科学 2023-11-03 Peng Fu , Yiming Zhang , Haobo Wang , Weikang Qiu , Junbo Zhao

This study investigates the impact of localized updates to large language models (LLMs), specifically in the context of knowledge editing - a task aimed at incorporating or modifying specific facts without altering broader model…

计算与语言 · 计算机科学 2025-02-27 Akshat Gupta , Christine Fang , Atahan Ozdemir , Maochuan Lu , Ahmed Alaa , Thomas Hartvigsen , Gopala Anumanchipalli

Large language models (LLMs) increasingly rely on knowledge editing to support knowledge-intensive reasoning, but this flexibility also introduces critical safety risks: adversaries can inject malicious or misleading knowledge that corrupts…

人工智能 · 计算机科学 2026-05-12 Qinghua Mao , Xi Lin , Jinze Gu , Jun Wu , Siyuan Li , Yuliang Chen

Knowledge editing aims to efficiently correct factual errors in language models. Widely used locate-then-edit methods update an MLP layer by adjusting its weights to change the mapping between the layer's input vector (key) and output…

计算与语言 · 计算机科学 2026-03-03 Haewon Park , Sangwoo Kim , Yohan Jo

The model editing problem concerns how language models should learn new facts about the world over time. While empirical research on model editing has drawn widespread attention, the conceptual foundations of model editing remain shaky --…

计算与语言 · 计算机科学 2024-06-28 Peter Hase , Thomas Hofweber , Xiang Zhou , Elias Stengel-Eskin , Mohit Bansal

Large language models (LLMs) sometimes demonstrate poor performance on knowledge-intensive tasks, commonsense reasoning is one of them. Researchers typically address these issues by retrieving related knowledge from knowledge graphs or…

计算与语言 · 计算机科学 2024-10-15 Jiachun Li , Pengfei Cao , Chenhao Wang , Zhuoran Jin , Yubo Chen , Kang Liu , Xiaojian Jiang , Jiexin Xu , Jun Zhao