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Large Language Models (LLMs) have demonstrated remarkable capabilities in many real-world applications. Nonetheless, LLMs are often criticized for their tendency to produce hallucinations, wherein the models fabricate incorrect statements…

计算与语言 · 计算机科学 2024-06-05 Qinggang Zhang , Junnan Dong , Hao Chen , Daochen Zha , Zailiang Yu , Xiao Huang

A graph is a fundamental data model to represent various entities and their complex relationships in society and nature, such as social networks, transportation networks, and financial networks. Recently, large language models (LLMs) have…

计算与语言 · 计算机科学 2025-07-08 Wenbo Shang , Xin Huang

Traditional methods of linking large language models (LLMs) to knowledge bases via the semantic similarity search often fall short of capturing complex relational dynamics. To address these limitations, we introduce AutoKG, a lightweight…

计算与语言 · 计算机科学 2023-11-28 Bohan Chen , Andrea L. Bertozzi

Large language models (LLMs), such as ChatGPT and GPT4, are making new waves in the field of natural language processing and artificial intelligence, due to their emergent ability and generalizability. However, LLMs are black-box models,…

计算与语言 · 计算机科学 2024-01-26 Shirui Pan , Linhao Luo , Yufei Wang , Chen Chen , Jiapu Wang , Xindong Wu

Graph mining is an important area in data mining and machine learning that involves extracting valuable information from graph-structured data. In recent years, significant progress has been made in this field through the development of…

机器学习 · 计算机科学 2024-12-30 Yuxin You , Zhen Liu , Xiangchao Wen , Yongtao Zhang , Wei Ai

Recently, ChatGPT, a representative large language model (LLM), has gained considerable attention due to its powerful emergent abilities. Some researchers suggest that LLMs could potentially replace structured knowledge bases like knowledge…

计算与语言 · 计算机科学 2024-01-31 Linyao Yang , Hongyang Chen , Zhao Li , Xiao Ding , Xindong Wu

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…

计算与语言 · 计算机科学 2024-10-08 Yao Xu , Shizhu He , Jiabei Chen , Zihao Wang , Yangqiu Song , Hanghang Tong , Guang Liu , Kang Liu , Jun Zhao

Knowledge Graphs (KGs) structure real-world entities and their relationships into triples, enhancing machine reasoning for various tasks. While domain-specific KGs offer substantial benefits, their manual construction is often inefficient…

计算与语言 · 计算机科学 2025-06-02 Jiaqi Sun , Shiyou Qian , Zhangchi Han , Wei Li , Zelin Qian , Dingyu Yang , Jian Cao , Guangtao Xue

This paper presents a scholarly Knowledge Graph Question Answering (KGQA) that answers bibliographic natural language questions by leveraging a large language model (LLM) in a few-shot manner. The model initially identifies the top-n…

计算与语言 · 计算机科学 2023-11-17 Tilahun Abedissa Taffa , Ricardo Usbeck

Large Language Models (LLMs) have recently emerged as a powerful paradigm for Knowledge Graph Completion (KGC), offering strong reasoning and generalization capabilities beyond traditional embedding-based approaches. However, existing…

计算与语言 · 计算机科学 2025-10-14 Wenbin Guo , Xin Wang , Jiaoyan Chen , Lingbing Guo , Zhao Li , Zirui Chen

Temporal Knowledge Graph Forecasting (TKGF) aims to predict future events based on the observed events in history. Recently, Large Language Models (LLMs) have exhibited remarkable capabilities, generating significant research interest in…

信息检索 · 计算机科学 2025-01-22 He Chang , Jie Wu , Zhulin Tao , Yunshan Ma , Xianglin Huang , Tat-Seng Chua

The use of retrieval-augmented generation (RAG) to retrieve relevant information from an external knowledge source enables large language models (LLMs) to answer questions over private and/or previously unseen document collections. However,…

In recent years, large language models (LLMs) have revolutionized the field of natural language processing. However, they often suffer from knowledge gaps and hallucinations. Graph retrieval-augmented generation (GraphRAG) enhances LLM…

人工智能 · 计算机科学 2025-03-19 Kai Guo , Harry Shomer , Shenglai Zeng , Haoyu Han , Yu Wang , Jiliang Tang

Knowledge Graph based Retrieval-Augmented Generation (KG-RAG) is a technique that enhances Large Language Model (LLM) inference in tasks like Question Answering (QA) by retrieving relevant information from knowledge graphs (KGs). However,…

人工智能 · 计算机科学 2025-09-01 Dongzhuoran Zhou , Yuqicheng Zhu , Xiaxia Wang , Yuan He , Jiaoyan Chen , Steffen Staab , Evgeny Kharlamov

Large Language Models (LLMs) have shown remarkable capabilities across various tasks but remain prone to hallucinations in knowledge-intensive scenarios. Knowledge Base Question Answering (KBQA) mitigates this by grounding generation in…

计算与语言 · 计算机科学 2026-04-15 Shuai Wang , Xixi Wang , Yinan Yu

Large Language Models (LLMs) possess human-level cognitive and decision-making capabilities, making them a key technology for 6G. However, applying LLMs to the communication domain faces three major challenges: 1) Inadequate communication…

信息论 · 计算机科学 2025-02-27 Feibo Jiang , Wanyun Zhu , Li Dong , Kezhi Wang , Kun Yang , Cunhua Pan , Octavia A. Dobre

Efficient inference for graph neural networks (GNNs) on large knowledge graphs (KGs) is essential for many real-world applications. GNN inference queries are computationally expensive and vary in complexity, as each involves a different…

机器学习 · 计算机科学 2026-04-21 Waleed Afandi , Hussein Abdallah , Ashraf Aboulnaga , Essam Mansour

Large Language Models (LLMs) may suffer from hallucinations in real-world applications due to the lack of relevant knowledge. In contrast, knowledge graphs encompass extensive, multi-relational structures that store a vast array of symbolic…

计算与语言 · 计算机科学 2024-09-06 Jie Ma , Zhitao Gao , Qi Chai , Wangchun Sun , Pinghui Wang , Hongbin Pei , Jing Tao , Lingyun Song , Jun Liu , Chen Zhang , Lizhen Cui

Large language models (LLMs) have demonstrated remarkable capabilities across various domains, yet their application to relational deep learning (RDL) remains underexplored. Existing approaches adapt LLMs by traversing relational links…

计算与语言 · 计算机科学 2025-06-09 Fang Wu , Vijay Prakash Dwivedi , Jure Leskovec

Knowledge Graphs (KGs) are essential for the functionality of GraphRAGs, a form of Retrieval-Augmented Generative Systems (RAGs) that excel in tasks requiring structured reasoning and semantic understanding. However, creating KGs for…

计算与语言 · 计算机科学 2024-12-11 Ahan Bhatt , Nandan Vaghela , Kush Dudhia