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The integration of knowledge graphs (KGs) with large language models (LLMs) offers significant potential to improve the retrieval phase of retrieval-augmented generation (RAG) systems. In this study, we propose KG-CQR, a novel framework for…

计算与语言 · 计算机科学 2025-09-09 Chi Minh Bui , Ngoc Mai Thieu , Van Vinh Nguyen , Jason J. Jung , Khac-Hoai Nam Bui

Large Language Models (LLMs) and Knowledge Graphs (KGs) offer a promising approach to robust and explainable Question Answering (QA). While LLMs excel at natural language understanding, they suffer from knowledge gaps and hallucinations.…

机器学习 · 计算机科学 2025-04-15 Jasper Linders , Jakub M. Tomczak

Knowledge Graphs (KGs) are foundational structures in many AI applications, representing entities and their interrelations through triples. However, triple-based KGs lack the contextual information of relational knowledge, like temporal…

人工智能 · 计算机科学 2024-07-01 Chengjin Xu , Muzhi Li , Cehao Yang , Xuhui Jiang , Lumingyuan Tang , Yiyan Qi , Jian Guo

Knowledge Graph Completion (KGC) aims to infer missing information in Knowledge Graphs (KGs) to address their inherent incompleteness. Traditional structure-based KGC methods, while effective, face significant computational demands and…

计算与语言 · 计算机科学 2025-04-01 Jianfang Chen , Kai Zhang , Aoran Gan , Shiwei Tong , Shuanghong Shen , Qi Liu

Large language models (LLMs) frequently generate confident yet factually incorrect content when used for language generation (a phenomenon often known as hallucination). Retrieval augmented generation (RAG) tries to reduce factual errors by…

信息检索 · 计算机科学 2026-04-01 Dobrik Georgiev , Kheeran Naidu , Alberto Cattaneo , Federico Monti , Carlo Luschi , Daniel Justus

Knowledge graph completion (KGC) revolves around populating missing triples in a knowledge graph using available information. Text-based methods, which depend on textual descriptions of triples, often encounter difficulties when these…

计算与语言 · 计算机科学 2025-04-08 Haotian Li , Bin Yu , Yuliang Wei , Kai Wang , Richard Yi Da Xu , Bailing Wang

Large language models have shown remarkable language processing and reasoning ability but are prone to hallucinate when asked about private data. Retrieval-augmented generation (RAG) retrieves relevant data that fit into an LLM's context…

机器学习 · 计算机科学 2025-11-13 Alfred Clemedtson , Borun Shi

Despite their competitive performance on knowledge-intensive tasks, large language models (LLMs) still have limitations in memorizing all world knowledge especially long tail knowledge. In this paper, we study the KG-augmented language…

计算与语言 · 计算机科学 2023-09-22 Yike Wu , Nan Hu , Sheng Bi , Guilin Qi , Jie Ren , Anhuan Xie , Wei Song

Knowledge graph completion (KGC) focuses on identifying missing triples in a knowledge graph (KG) , which is crucial for many downstream applications. Given the rapid development of large language models (LLMs), some LLM-based methods are…

计算与语言 · 计算机科学 2025-01-06 Rui Yang , Jiahao Zhu , Jianping Man , Hongze Liu , Li Fang , Yi Zhou

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

The Knowledge Graph Completion~(KGC) task aims to infer the missing entity from an incomplete triple. Existing embedding-based methods rely solely on triples in the KG, which is vulnerable to specious relation patterns and long-tail…

人工智能 · 计算机科学 2025-05-01 Muzhi Li , Cehao Yang , Chengjin Xu , Xuhui Jiang , Yiyan Qi , Jian Guo , Ho-fung Leung , Irwin King

Large language models have become integral to question-answering applications despite their propensity for generating hallucinations and factually inaccurate content. Querying knowledge graphs to reduce hallucinations in LLM meets the…

计算与语言 · 计算机科学 2024-06-26 Tong Zhou , Yubo Chen , Kang Liu , Jun Zhao

Knowledge Graphs (KGs) provide a structured representation of knowledge but often suffer from challenges of incompleteness. To address this, link prediction or knowledge graph completion (KGC) aims to infer missing new facts based on…

机器学习 · 计算机科学 2025-01-03 Wenkai Tu , Guojia Wan , Zhengchun Shang , Bo Du

Large language models (LLMs) have made significant progress in general-purpose natural language processing tasks. However, LLMs are still facing challenges when applied to domain-specific areas like telecommunications, which demands…

计算与语言 · 计算机科学 2025-05-22 Dun Yuan , Hao Zhou , Di Wu , Xue Liu , Hao Chen , Yan Xin , Jianzhong , Zhang

Large Language Models (LLMs) have demonstrated remarkable capabilities in text generation and understanding, yet their reliance on implicit, unstructured knowledge often leads to factual inaccuracies and limited interpretability. Knowledge…

计算与语言 · 计算机科学 2025-06-17 Qinggang Zhang

Large Language Models (LLMs) have shown impressive performance in various tasks, including knowledge graph completion (KGC). However, current studies mostly apply LLMs to classification tasks, like identifying missing triplets, rather than…

人工智能 · 计算机科学 2025-01-07 Zaiyi Zheng , Yushun Dong , Song Wang , Haochen Liu , Qi Wang , Jundong Li

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…

计算与语言 · 计算机科学 2025-03-04 Mufei Li , Siqi Miao , Pan Li

Large Language Models (LLMs) excel at language understanding but remain limited in knowledge-intensive domains due to hallucinations, outdated information, and limited explainability. Text-based retrieval-augmented generation (RAG) helps…

计算与语言 · 计算机科学 2026-02-09 Larissa Pusch , Alexandre Courtiol , Tim Conrad

Incorporating factual knowledge in knowledge graph is regarded as a promising approach for mitigating the hallucination of large language models (LLMs). Existing methods usually only use the user's input to query the knowledge graph, thus…

计算与语言 · 计算机科学 2023-11-23 Xinyan Guan , Yanjiang Liu , Hongyu Lin , Yaojie Lu , Ben He , Xianpei Han , Le Sun

Temporal Knowledge Graphs (TKGs) represent dynamic facts as timestamped relations between entities. TKG completion involves forecasting missing or future links, requiring models to reason over time-evolving structure. While LLMs show…

机器学习 · 计算机科学 2025-05-26 Ömer Faruk Akgül , Feiyu Zhu , Yuxin Yang , Rajgopal Kannan , Viktor Prasanna
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