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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,…

Artificial Intelligence · Computer Science 2026-03-24 Wentao Wan , Qiqing Lao , Zhiwei Xie , Hefeng Wu , Runnan Lin , Liang Lin , Keze Wang

Multi-hop question answering is widely used to evaluate the reasoning capabilities of large language models (LLMs), as it requires integrating multiple pieces of supporting knowledge to arrive at a correct answer. While prior work has…

Computation and Language · Computer Science 2026-01-13 Zhuoyi Yang , Yurun Song , Iftekhar Ahmed , Ian Harris

This paper proposes an iterative inference algorithm for multi-hop explanation regeneration, that retrieves relevant factual evidence in the form of text snippets, given a natural language question and its answer. Combining multiple sources…

Information Retrieval · Computer Science 2020-12-22 Ruben Cartuyvels , Graham Spinks , Marie-Francine Moens

The extensive utilization of large language models (LLMs) underscores the crucial necessity for precise and contemporary knowledge embedded within their intrinsic parameters. Existing research on knowledge editing primarily concentrates on…

Computation and Language · Computer Science 2025-02-20 Zihao Wei , Jingcheng Deng , Liang Pang , Hanxing Ding , Huawei Shen , Xueqi Cheng

Recent advances in Knowledge Editing (KE), particularly Rank-One Model Editing (ROME), show superior efficiency over fine-tuning and in-context learning for updating single-hop facts in transformers. However, these methods face significant…

Computation and Language · Computer Science 2026-01-09 Zhiyuan He , Binghan Chen , Tianxiang Xiong , Ziyang Sun , Mozhao Zhu , Xi Chen

Knowledge editing has emerged as an efficient approach for updating factual knowledge in large language models (LLMs). It typically locates knowledge storage modules and then modifies their parameters. However, most existing methods focus…

Computation and Language · Computer Science 2025-11-03 Jiahao Liu , Zijian Wang , Kuo Zhao , Dong Hu

Multimodal large language models have recently shown promising progress in visual mathematical reasoning. However, their performance is often limited by a critical yet underexplored bottleneck: inaccurate visual perception. Through…

Artificial Intelligence · Computer Science 2026-03-10 Peijin Xie , Zhen Xu , Bingquan Liu , Baoxun Wang

Knowledge editing, which aims to update the knowledge encoded in language models, can be deceptive. Despite the fact that many existing knowledge editing algorithms achieve near-perfect performance on conventional metrics, the models edited…

Computation and Language · Computer Science 2025-05-20 Jiakuan Xie , Pengfei Cao , Yubo Chen , Kang Liu , Jun Zhao

Despite the impressive performance of large language models (LLMs) pretrained on vast knowledge corpora, advancing their knowledge manipulation-the ability to effectively recall, reason, and transfer relevant knowledge-remains challenging.…

Computation and Language · Computer Science 2026-01-13 Qitan Lv , Tianyu Liu , Qiaosheng Zhang , Xingcheng Xu , Chaochao Lu

Multi-hop reasoning is an effective approach for query answering (QA) over incomplete knowledge graphs (KGs). The problem can be formulated in a reinforcement learning (RL) setup, where a policy-based agent sequentially extends its…

Artificial Intelligence · Computer Science 2018-09-13 Xi Victoria Lin , Richard Socher , Caiming Xiong

Retrieval-augmented generation (RAG) enhances large language models (LLMs) with external knowledge to answer questions more accurately. However, research on evaluating RAG systems-particularly the retriever component-remains limited, as…

Information Retrieval · Computer Science 2026-04-21 Lorenz Brehme , Thomas Ströhle , Ruth Breu

The important challenge of keeping knowledge in Large Language Models (LLMs) up-to-date has led to the development of various methods for incorporating new facts. However, existing methods for such knowledge editing still face difficulties…

Computation and Language · Computer Science 2024-12-05 Ruirui Chen , Weifeng Jiang , Chengwei Qin , Ishaan Singh Rawal , Cheston Tan , Dongkyu Choi , Bo Xiong , Bo Ai

Question answering (QA) using textual sources for purposes such as reading comprehension (RC) has attracted much attention. This study focuses on the task of explainable multi-hop QA, which requires the system to return the answer with…

Computation and Language · Computer Science 2019-05-30 Kosuke Nishida , Kyosuke Nishida , Masaaki Nagata , Atsushi Otsuka , Itsumi Saito , Hisako Asano , Junji Tomita

Large language models are often expected to constantly adapt to new sources of knowledge and knowledge editing techniques aim to efficiently patch the outdated model knowledge, with minimal modification. Most prior works focus on…

Computation and Language · Computer Science 2025-02-18 Aditi Khandelwal , Harman Singh , Hengrui Gu , Tianlong Chen , Kaixiong Zhou

Large language models can generate factually inaccurate content, a problem known as hallucination. Recent works have built upon retrieved-augmented generation to improve factuality through iterative prompting but these methods are limited…

Computation and Language · Computer Science 2025-06-03 Mingda Chen , Yang Li , Karthik Padthe , Rulin Shao , Alicia Sun , Luke Zettlemoyer , Gargi Ghosh , Wen-tau Yih

In this paper, we investigate whether Large Language Models (LLMs) actively recall or retrieve their internal repositories of factual knowledge when faced with reasoning tasks. Through an analysis of LLMs' internal factual recall at each…

Computation and Language · Computer Science 2024-10-02 Yifei Wang , Yuheng Chen , Wanting Wen , Yu Sheng , Linjing Li , Daniel Dajun Zeng

Identifying important neurons for final predictions is essential for understanding the mechanisms of large language models. Due to computational constraints, current attribution techniques struggle to operate at neuron level. In this paper,…

Computation and Language · Computer Science 2024-09-26 Zeping Yu , Sophia Ananiadou

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for Large Language Models (LLMs) to address knowledge-intensive queries requiring domain-specific or up-to-date information. To handle complex multi-hop questions that…

Computation and Language · Computer Science 2026-01-05 Yuxin Wang , Shicheng Fang , Bo Wang , Qi Luo , Xuanjing Huang , Yining Zheng , Xipeng Qiu

In multi-hop reasoning, multi-round retrieval-augmented generation (RAG) methods typically rely on LLM-generated content as the retrieval query. However, these approaches are inherently vulnerable to knowledge overshadowing - a phenomenon…

Computation and Language · Computer Science 2026-01-13 Huipeng Ma , Luan Zhang , Dandan Song , Linmei Hu , Yuhang Tian , Jun Yang , Changzhi Zhou , Chenhao Li , Yizhou Jin , Xudong Li , Meng Lin , Mingxing Zhang , Shuhao Zhang

Knowledge Editing, which efficiently modifies the knowledge in large language models, has gathered great attention. Current benchmarks primarily use multi-hop question answering to assess and analyze newly injected or updated knowledge.…

Computation and Language · Computer Science 2025-06-04 Keyuan Cheng , Zijian Kan , Zhixian He , Zhuoran Zhang , Muhammad Asif Ali , Ke Xu , Lijie Hu , Di Wang