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The rapid evolution of communication technologies has led to an explosion of standards, rendering traditional expert-dependent consultation methods inefficient and slow. To address this challenge, we propose \textbf{KG2QA}, a question…

Computation and Language · Computer Science 2025-10-16 Zhongze Luo , Weixuan Wan , Tianya Zhang , Dan Wang , Xiaoying Tang

Large Language Models (LLMs) present massive inherent knowledge and superior semantic comprehension capability, which have revolutionized various tasks in natural language processing. Despite their success, a critical gap remains in…

Computation and Language · Computer Science 2025-02-11 Ben Liu , Jihai Zhang , Fangquan Lin , Cheng Yang , Min Peng

Knowledge Graphs (KGs) play a crucial role in enhancing e-commerce system performance by providing structured information about entities and their relationships, such as complementary or substitutable relations between products or product…

Information Retrieval · Computer Science 2023-05-18 Jiao Chen , Luyi Ma , Xiaohan Li , Nikhil Thakurdesai , Jianpeng Xu , Jason H. D. Cho , Kaushiki Nag , Evren Korpeoglu , Sushant Kumar , Kannan Achan

Knowledge graphs (KGs) are increasingly utilized for data integration, representation, and visualization. While KG population is critical, it is often costly, especially when data must be extracted from unstructured text in natural…

Artificial Intelligence · Computer Science 2024-11-05 Sanaz Saki Norouzi , Adrita Barua , Antrea Christou , Nikita Gautam , Andrew Eells , Pascal Hitzler , Cogan Shimizu

Knowledge graphs play a vital role in numerous artificial intelligence tasks, yet they frequently face the issue of incompleteness. In this study, we explore utilizing Large Language Models (LLM) for knowledge graph completion. We consider…

Computation and Language · Computer Science 2025-02-14 Liang Yao , Jiazhen Peng , Chengsheng Mao , Yuan Luo

Here, we describe one of the first Web-scale hybrid Knowledge Graph (KG)-Large Language Model (LLM), populated with the latest peer-reviewed medical knowledge on colorectal Cancer. It is currently being evaluated to assist with both medical…

Artificial Intelligence · Computer Science 2025-01-06 Michael Gubanov , Anna Pyayt , Aleksandra Karolak

Large Language Models (LLMs) succeed in many natural language processing tasks. However, their tendency to hallucinate - generate plausible but inconsistent or factually incorrect text - can cause significant problems in certain tasks,…

Computation and Language · Computer Science 2025-08-08 Xiangyan Chen , Yujian Gan , Yimeng Gu , Matthew Purver

Knowledge Base Question Answering (KBQA) challenges models to bridge the gap between natural language and strict knowledge graph schemas by generating executable logical forms. While Large Language Models (LLMs) have advanced this field,…

Computation and Language · Computer Science 2026-01-12 Xin Sun , Zhongqi Chen , Xing Zheng , Qiang Liu , Shu Wu , Bowen Song , Zilei Wang , Weiqiang Wang , Liang Wang

Despite the recent proliferation of large language models (LLMs), their training recipes -- model architecture, pre-training data and optimization algorithm -- are often very similar. This naturally raises the question of the similarity…

Computation and Language · Computer Science 2024-07-24 Yilun Zhou , Caiming Xiong , Silvio Savarese , Chien-Sheng Wu

Despite efforts to expand the knowledge of large language models (LLMs), knowledge gaps -- missing or outdated information in LLMs -- might always persist given the evolving nature of knowledge. In this work, we study approaches to identify…

Computation and Language · Computer Science 2024-07-02 Shangbin Feng , Weijia Shi , Yike Wang , Wenxuan Ding , Vidhisha Balachandran , Yulia Tsvetkov

Recent research on query generation has focused on using Large Language Models (LLMs), which despite bringing state-of-the-art performance, also introduce issues with hallucinations in the generated queries. In this work, we introduce…

Computation and Language · Computer Science 2024-10-16 Zhongxiang Sun , Zihua Si , Xiaoxue Zang , Kai Zheng , Yang Song , Xiao Zhang , Jun Xu

The generation of questions and answers (QA) from knowledge graphs (KG) plays a crucial role in the development and testing of educational platforms, dissemination tools, and large language models (LLM). However, existing approaches often…

Computation and Language · Computer Science 2025-11-17 Sania Nayab , Marco Simoni , Giulio Rossolini , Andrea Saracino

Large language models (LLMs) have demonstrated impressive reasoning abilities in complex tasks. However, they lack up-to-date knowledge and experience hallucinations during reasoning, which can lead to incorrect reasoning processes and…

Computation and Language · Computer Science 2024-02-27 Linhao Luo , Yuan-Fang Li , Gholamreza Haffari , Shirui Pan

To address the issues of insufficient knowledge and hallucination in Large Language Models (LLMs), numerous studies have explored integrating LLMs with Knowledge Graphs (KGs). However, these methods are typically evaluated on conventional…

Computation and Language · Computer Science 2024-10-08 Yao Xu , Shizhu He , Jiabei Chen , Zihao Wang , Yangqiu Song , Hanghang Tong , Guang Liu , Kang Liu , Jun Zhao

The increasing reliance on Large Language Models (LLMs) for health information seeking can pose severe risks due to the potential for misinformation and the complexity of these topics. This paper introduces KNOWNET a visualization system…

Human-Computer Interaction · Computer Science 2024-09-27 Youfu Yan , Yu Hou , Yongkang Xiao , Rui Zhang , Qianwen Wang

Dialogue systems can leverage large pre-trained language models and knowledge to generate fluent and informative responses. However, these models are still prone to produce hallucinated responses not supported by the input source, which…

Computation and Language · Computer Science 2023-05-15 Ziwei Ji , Zihan Liu , Nayeon Lee , Tiezheng Yu , Bryan Wilie , Min Zeng , Pascale Fung

Large Language Models (LLMs)-based question answering (QA) systems play a critical role in modern AI, demonstrating strong performance across various tasks. However, LLM-generated responses often suffer from hallucinations, unfaithful…

Computation and Language · Computer Science 2026-01-29 Yuqing Zhao , Ziyao Liu , Yongsen Zheng , Kwok-Yan Lam

Improving the performance of large language models (LLMs) in complex question-answering (QA) scenarios has always been a research focal point. Recent studies have attempted to enhance LLMs' performance by combining step-wise planning with…

Computation and Language · Computer Science 2024-10-24 Junjie Wang , Mingyang Chen , Binbin Hu , Dan Yang , Ziqi Liu , Yue Shen , Peng Wei , Zhiqiang Zhang , Jinjie Gu , Jun Zhou , Jeff Z. Pan , Wen Zhang , Huajun Chen

Hallucinations in large language models (LLMs) have recently become a significant problem. A recent effort in this direction is a shared task at Semeval 2024 Task 6, SHROOM, a Shared-task on Hallucinations and Related Observable…

Computation and Language · Computer Science 2024-04-12 Rahul Mehta , Andrew Hoblitzell , Jack O'Keefe , Hyeju Jang , Vasudeva Varma

Large Language Models (LLMs) demonstrate strong reasoning abilities but face limitations such as hallucinations and outdated knowledge. Knowledge Graph (KG)-based Retrieval-Augmented Generation (RAG) addresses these issues by grounding LLM…

Computation and Language · Computer Science 2025-03-04 Mufei Li , Siqi Miao , Pan Li
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