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Related papers: Tracing and Reversing Edits in LLMs

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Large Language Models (LLMs) have shown extraordinary capabilities in understanding and generating text that closely mirrors human communication. However, a primary limitation lies in the significant computational demands during training,…

Despite the ability to train capable LLMs, the methodology for maintaining their relevancy and rectifying errors remains elusive. To this end, the past few years have witnessed a surge in techniques for editing LLMs, the objective of which…

Computation and Language · Computer Science 2023-12-01 Yunzhi Yao , Peng Wang , Bozhong Tian , Siyuan Cheng , Zhoubo Li , Shumin Deng , Huajun Chen , Ningyu Zhang

Large language models (LLMs) risk retaining sensitive, copyrighted, or harmful information from their training data. Entity-level unlearning addresses this issue by removing all knowledge of a specific entity while preserving the model's…

Computation and Language · Computer Science 2026-01-15 Xiaoqi Han , Víctor Gutiérrez-Basulto , Ru Li , Xiaoli Li , Jiye Liang , Jeff Z. Pan

Large language models (LLMs) store vast amounts of knowledge, which often requires updates to correct factual errors, incorporate newly acquired information, or adapt model behavior. Model editing methods have emerged as efficient solutions…

Computation and Language · Computer Science 2025-10-27 Fufang Wen , Shichang Zhang

We reveal the theoretical foundations of techniques for editing large language models, and present new methods which can do so without requiring retraining. Our theoretical insights show that a single metric (a measure of the intrinsic…

Artificial Intelligence · Computer Science 2024-10-31 Oliver J. Sutton , Qinghua Zhou , Wei Wang , Desmond J. Higham , Alexander N. Gorban , Alexander Bastounis , Ivan Y. Tyukin

Model editing aims to correct outdated or erroneous knowledge in large language models (LLMs) without the need for costly retraining. Lifelong model editing is the most challenging task that caters to the continuous editing requirements of…

Computation and Language · Computer Science 2025-03-17 Qizhou Chen , Taolin Zhang , Xiaofeng He , Dongyang Li , Chengyu Wang , Longtao Huang , Hui Xue

Large language models (LLMs) are increasingly used as knowledge bases, but keeping them up to date requires targeted knowledge editing (KE). However, it remains unclear how edits are implemented inside the model once applied. In this work,…

Computation and Language · Computer Science 2026-03-24 Yuan Cao , Mingyang Wang , Hinrich Schütze

Large language models (LLMs) often retain outdated or incorrect information from pre-training, which undermines their reliability. While model editing methods have been developed to address such errors without full re-training, they…

Computation and Language · Computer Science 2025-02-25 Dahyun Jung , Jaehyung Seo , Jaewook Lee , Chanjun Park , Heuiseok Lim

Large language models (LLMs) have revolutionized various domains, yet their utility comes with significant challenges related to outdated or problematic knowledge embedded during pretraining. This paper addresses the challenge of modifying…

Computation and Language · Computer Science 2024-09-23 Akshaj Kumar Veldanda , Shi-Xiong Zhang , Anirban Das , Supriyo Chakraborty , Stephen Rawls , Sambit Sahu , Milind Naphade

Pretrained language models sometimes possess knowledge that we do not wish them to, including memorized personal information and knowledge that could be used to harm people. They can also output toxic or harmful text. To mitigate these…

Computation and Language · Computer Science 2023-10-02 Vaidehi Patil , Peter Hase , Mohit Bansal

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

Large language models (LLMs) possess vast knowledge acquired from extensive training corpora, but they often cannot remove specific pieces of information when needed, which makes it hard to handle privacy, bias mitigation, and knowledge…

Machine Learning · Computer Science 2025-12-09 Yezi Liu , Hanning Chen , Wenjun Huang , Yang Ni , Mohsen Imani

Knowledge Editing (KE) enables the modification of outdated or incorrect information in large language models (LLMs). While existing KE methods can update isolated facts, they often fail to generalize these updates to multi-hop reasoning…

Computation and Language · Computer Science 2025-11-21 Yunzhi Yao , Jizhan Fang , Jia-Chen Gu , Ningyu Zhang , Shumin Deng , Huajun Chen , Nanyun Peng

Knowledge editing aims to update outdated information in Large Language Models (LLMs). A representative line of study is locate-then-edit methods, which typically employ causal tracing to identify the modules responsible for recalling…

Computation and Language · Computer Science 2025-03-18 Haowen Pan , Xiaozhi Wang , Yixin Cao , Zenglin Shi , Xun Yang , Juanzi Li , Meng Wang

Large Language Models (LLMs) power numerous AI applications, yet updating their knowledge remains costly. Model editing provides a lightweight alternative through targeted parameter modifications, with meta-learning-based model editing…

Computation and Language · Computer Science 2026-01-30 Xiaopeng Li , Shasha Li , Xi Wang , Shezheng Song , Bin Ji , Shangwen Wang , Jun Ma , Xiaodong Liu , Mina Liu , Jie Yu

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 models (LLMs) require frequent knowledge updates to reflect changing facts and mitigate hallucinations. To meet this demand, lifelong knowledge editing has emerged as a continual approach to modify specific pieces of…

Artificial Intelligence · Computer Science 2026-04-22 Dahyun Jung , Jaewook Lee , Heuiseok Lim

The factual knowledge acquired during pre-training and stored in the parameters of Language Models (LMs) can be useful in downstream tasks (e.g., question answering or textual inference). However, some facts can be incorrectly induced or…

Computation and Language · Computer Science 2021-09-10 Nicola De Cao , Wilker Aziz , Ivan Titov

The sheer scale of data required to train modern large language models (LLMs) poses significant risks, as models are likely to gain knowledge of sensitive topics such as bio-security, as well the ability to replicate copyrighted works.…

Computation and Language · Computer Science 2024-12-17 Harry J. Davies , Giorgos Iacovides , Danilo P. Mandic

Knowledge editing (KE) enables precise modifications to factual content in large language models (LLMs). Existing KE methods are largely designed for dense architectures, limiting their applicability to the increasingly prevalent sparse…

Machine Learning · Computer Science 2026-02-12 Yupu Gu , Rongzhe Wei , Andy Zhu , Pan Li