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Enterprise applications of Large Language Models (LLMs) hold promise for question answering on enterprise SQL databases. However, the extent to which LLMs can accurately respond to enterprise questions in such databases remains unclear,…

Artificial Intelligence · Computer Science 2023-11-14 Juan Sequeda , Dean Allemang , Bryon Jacob

Combining multiple knowledge graphs (KGs) across linguistic boundaries is a persistent challenge due to semantic heterogeneity and the complexity of graph environments. We propose a framework for cross-lingual graph fusion, leveraging the…

Computation and Language · Computer Science 2026-03-24 Kaung Myat Kyaw , Khush Agarwal , Jonathan Chan

Large language models (LLMs) have demonstrated remarkable capabilities in various complex tasks, yet they still suffer from hallucinations. By incorporating and exploring external knowledge, such as knowledge graphs(KGs), LLM's ability to…

Artificial Intelligence · Computer Science 2025-05-27 Qi Zhao , Hongyu Yang , Qi Song , Xinwei Yao , Xiangyang Li

Multi-modal Large Language Models (MLLMs) for Visual Question Answering (VQA) often suffer from dual limitations: knowledge hallucination and insufficient fine-grained visual perception. Crucially, we identify that commonsense graphs and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Zhiyang Li , Ao Ke , Yukun Cao , Xike Xie

Retrieval augmented generation has revolutionized large language model (LLM) outputs by providing factual supports. Nevertheless, it struggles to capture all the necessary knowledge for complex reasoning questions. Existing retrieval…

Computation and Language · Computer Science 2024-10-21 Zijian Li , Qingyan Guo , Jiawei Shao , Lei Song , Jiang Bian , Jun Zhang , Rui Wang

Ensuring factual accuracy while maintaining the creative capabilities of Large Language Model Agents (LMAs) poses significant challenges in the development of intelligent agent systems. LMAs face prevalent issues such as information…

Artificial Intelligence · Computer Science 2024-05-21 Diego Sanmartin

Multi-paragraph reasoning is indispensable for open-domain question answering (OpenQA), which receives less attention in the current OpenQA systems. In this work, we propose a knowledge-enhanced graph neural network (KGNN), which performs…

Computation and Language · Computer Science 2019-11-07 Deming Ye , Yankai Lin , Zhenghao Liu , Zhiyuan Liu , Maosong Sun

Entity alignment, which is a prerequisite for creating a more comprehensive Knowledge Graph (KG), involves pinpointing equivalent entities across disparate KGs. Contemporary methods for entity alignment have predominantly utilized knowledge…

Computation and Language · Computer Science 2024-01-31 Linyao Yang , Hongyang Chen , Xiao Wang , Jing Yang , Fei-Yue Wang , Han Liu

Large language models (LLMs) typically improve performance by either retrieving semantically similar information, or enhancing reasoning abilities through structured prompts like chain-of-thought. While both strategies are considered…

Computation and Language · Computer Science 2024-10-16 Yejin Kim , Eojin Kang , Juae Kim , H. Howie Huang

Knowledge Graphs (KGs) represent relationships between entities in a graph structure and have been widely studied as promising tools for realizing recommendations that consider the accurate content information of items. However, traditional…

Information Retrieval · Computer Science 2024-12-18 Keigo Sakurai , Ren Togo , Takahiro Ogawa , Miki Haseyama

Large language models (LLMs) often struggle with knowledge-intensive tasks due to a lack of background knowledge and a tendency to hallucinate. To address these limitations, integrating knowledge graphs (KGs) with LLMs has been intensively…

Computation and Language · Computer Science 2025-06-13 Yilin Xiao , Chuang Zhou , Qinggang Zhang , Bo Li , Qing Li , Xiao Huang

Question answering (QA) is a core challenge in AI, particularly for complex queries requiring multi-hop reasoning across documents, or symbolic operations like aggregation or exhaustive listing. Retrieval-augmented generation has become the…

Artificial Intelligence · Computer Science 2026-05-29 Lorenzo Loconte , Timothy Hospedales , Cristina Cornelio

Electronic Health Records (EHRs) and routine documentation practices play a vital role in patients' daily care, providing a holistic record of health, diagnoses, and treatment. However, complex and verbose EHR narratives overload healthcare…

Computation and Language · Computer Science 2025-02-26 Yanjun Gao , Ruizhe Li , Emma Croxford , John Caskey , Brian W Patterson , Matthew Churpek , Timothy Miller , Dmitriy Dligach , Majid Afshar

Large Language Models (LLMs) have recently demonstrated remarkable reasoning abilities, yet hallucinate on knowledge-intensive tasks. Retrieval-augmented generation (RAG) mitigates this issue by grounding answers in external sources, e.g.,…

Computation and Language · Computer Science 2026-01-29 Kaehyun Um , KyuHwan Yeom , Haerim Yang , Minyoung Choi , Hyeongjun Yang , Kyong-Ho Lee

This study explores the use of Large Language Models (LLMs) for automatic evaluation of knowledge graph (KG) completion models. Historically, validating information in KGs has been a challenging task, requiring large-scale human annotation…

Artificial Intelligence · Computer Science 2024-04-25 Jack Boylan , Shashank Mangla , Dominic Thorn , Demian Gholipour Ghalandari , Parsa Ghaffari , Chris Hokamp

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

Recently, large language models (LLMs) have demonstrated impressive performance in Knowledge Graph Question Answering (KGQA) tasks, which aim to find answers based on knowledge graphs (KGs) for natural language questions. Existing…

Computation and Language · Computer Science 2025-05-20 Xiao Long , Liansheng Zhuang , Chen Shen , Shaotian Yan , Yifei Li , Shafei Wang

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

Mitigating the hallucinations of Large Language Models is a crucial task. Although some existing methods employ self-enhancement techniques, they fall short of effectively addressing unknown factual hallucinations. Meanwhile, Knowledge…

Computation and Language · Computer Science 2025-03-04 Jiaxiang Liu , Tong Zhou , Yubo Chen , Kang Liu , Jun Zhao

Retrieval-Augmented Generation (RAG) has significantly mitigated the hallucinations of Large Language Models (LLMs) by grounding the generation with external knowledge. Recent extensions of RAG to graph-based retrieval offer a promising…

Machine Learning · Computer Science 2025-09-23 Jialin Chen , Houyu Zhang , Seongjun Yun , Alejandro Mottini , Rex Ying , Xiang Song , Vassilis N. Ioannidis , Zheng Li , Qingjun Cui