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Knowledge editing methods (KEs) are a cost-effective way to update the factual content of large language models (LLMs), but they pose a dual-use risk. While KEs are beneficial for updating outdated or incorrect information, they can be…

计算与语言 · 计算机科学 2026-03-02 Paul Youssef , Zhixue Zhao , Christin Seifert , Jörg Schlötterer

Prior works have shown that fine-tuning on new knowledge can induce factual hallucinations in large language models (LLMs), leading to incorrect outputs when evaluated on previously known information. However, the specific manifestations of…

计算与语言 · 计算机科学 2026-04-20 Renfei Dang , Peng Hu , Zhejian Lai , Changjiang Gao , Min Zhang , Shujian Huang

Multi-task post-training of large language models (LLMs) is typically performed by mixing datasets from different tasks and optimizing them jointly. This approach implicitly assumes that all tasks contribute gradients of similar magnitudes;…

Autoregressive large language models (LLMs) pre-trained by next token prediction are inherently proficient in generative tasks. However, their performance on knowledge-driven tasks such as factual knowledge querying remains unsatisfactory.…

计算与语言 · 计算机科学 2026-01-14 Peng Yu , Cheng Deng , Beiya Dai , Xinbing Wang , Ying Wen

In-context knowledge editing (IKE) is a promising technique for updating Large Language Models (LLMs) with new information. However, IKE relies on lengthy, fact-specific demonstrations which are costly to create and consume significant…

计算与语言 · 计算机科学 2026-01-27 Paul Youssef , Christin Seifert , Jörg Schlötterer

Detecting whether a model's internal knowledge is sufficient to correctly answer a given question is a fundamental challenge in deploying responsible LLMs. In addition to verbalising the confidence by LLM self-report, more recent methods…

计算与语言 · 计算机科学 2026-04-15 Yujing Wang , Yuanbang Liang , Yukun Lai , Hainan Zhang , Hanqi Yan

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

There are two primary ways of incorporating new information into a language model (LM): changing its prompt or changing its parameters, e.g. via fine-tuning. Parameter updates incur no long-term storage cost for model changes. However, for…

计算与语言 · 计算机科学 2025-06-27 Eric Zhang , Leshem Choshen , Jacob Andreas

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…

Knowledge Editing (KE) is a field that studies how to modify some knowledge in Large Language Models (LLMs) at a low cost (compared to pre-training). Currently, performing large-scale edits on LLMs while ensuring the Reliability,…

人工智能 · 计算机科学 2026-03-24 Wentao Wan , Qiqing Lao , Zhiwei Xie , Hefeng Wu , Runnan Lin , Liang Lin , Keze Wang

While large language models (LLMs) perform strongly on diverse tasks, their trustworthiness is limited by erratic behavior that is unfaithful to their internal knowledge. In particular, LLMs often fail on multiple-choice questions (MCQs)…

计算与语言 · 计算机科学 2026-02-05 Yoonah Park , Haesung Pyun , Yohan Jo

Scientific hypothesis generation requires tracking how knowledge evolves, not just what is currently known. We introduce Continuous Knowledge Metabolism (CKM), a framework that processes scientific literature through sliding time windows…

计算与语言 · 计算机科学 2026-04-15 Jinkai Tao , Yubo Wang , Xiaoyu Liu , Menglin Yang

Retrieval-augmented large language models (LLMs) have demonstrated efficacy in knowledge-intensive tasks such as open-domain QA, addressing inherent challenges in knowledge update and factual inadequacy. However, inconsistencies between…

计算与语言 · 计算机科学 2024-05-31 Jiajie Jin , Yutao Zhu , Yujia Zhou , Zhicheng Dou

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.…

计算与语言 · 计算机科学 2024-02-22 Mengqi Zhang , Xiaotian Ye , Qiang Liu , Pengjie Ren , Shu Wu , Zhumin Chen

Large language models learn and continually learn through the accumulation of gradient-based updates, but how individual pieces of new information affect existing knowledge, leading to both beneficial generalization and problematic…

Knowledge distillation (KD) has been widely employed to transfer knowledge from a large language model (LLM) to a specialized model in low-data regimes through pseudo label learning. However, pseudo labels generated by teacher models are…

机器学习 · 计算机科学 2023-12-19 Jiachen Zhao

Knowledge editing enables targeted updates without retraining, but prior work focuses on textual or visual facts, leaving abstract auditory perceptual knowledge underexplored. We introduce SAKE, the first benchmark for editing perceptual…

Most existing retrieval-augmented language models (LMs) assume a naive dichotomy within a retrieved document set: query-relevance and irrelevance. Our work investigates a more challenging scenario in which even the "relevant" documents may…

计算与语言 · 计算机科学 2024-06-11 Giwon Hong , Jeonghwan Kim , Junmo Kang , Sung-Hyon Myaeng , Joyce Jiyoung Whang

Knowledge Editing (KE) for modifying factual knowledge in Large Language Models (LLMs) has been receiving increasing attention. However, existing knowledge editing methods are entity-centric, and it is unclear whether this approach is…

计算与语言 · 计算机科学 2023-11-16 Yifan Wei , Xiaoyan Yu , Huanhuan Ma , Fangyu Lei , Yixuan Weng , Ran Song , Kang Liu

Knowledge editing has become a promising approach for efficiently and precisely updating knowledge embedded in large language models (LLMs). In this work, we focus on Same-Subject Editing, which involves modifying multiple attributes of a…

计算与语言 · 计算机科学 2025-02-12 Zenghao Duan , Wenbin Duan , Zhiyi Yin , Yinghan Shen , Shaoling Jing , Jie Zhang , Huawei Shen , Xueqi Cheng