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相关论文: CORE-KG: An LLM-Driven Knowledge Graph Constructio…

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Large language models (LLMs) offer new opportunities for constructing knowledge graphs (KGs) from unstructured clinical narratives. However, existing approaches often rely on structured inputs and lack robust validation of factual accuracy…

人工智能 · 计算机科学 2026-01-06 Udiptaman Das , Krishnasai B. Atmakuri , Duy Ho , Chi Lee , Yugyung Lee

Retrieval-Augmented Generation (RAG) enhances the response quality and domain-specific performance of large language models (LLMs) by incorporating external knowledge to combat hallucinations. In recent research, graph structures have been…

信息检索 · 计算机科学 2025-12-17 Hao Hu , Yifan Feng , Ruoxue Li , Rundong Xue , Xingliang Hou , Zhiqiang Tian , Yue Gao , Shaoyi Du

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…

计算与语言 · 计算机科学 2024-02-27 Linhao Luo , Yuan-Fang Li , Gholamreza Haffari , Shirui Pan

To mitigate the hallucination and knowledge deficiency in large language models (LLMs), Knowledge Graph (KG)-based Retrieval-Augmented Generation (RAG) has shown promising potential by utilizing KGs as external resource to enhance LLMs…

计算与语言 · 计算机科学 2025-01-23 Zengyi Gao , Yukun Cao , Hairu Wang , Ao Ke , Yuan Feng , Xike Xie , S Kevin Zhou

Knowledge graphs (KGs) are vital for knowledge-intensive tasks and have shown promise in reducing hallucinations in large language models (LLMs). However, constructing high-quality KGs remains difficult, requiring accurate information…

计算与语言 · 计算机科学 2025-10-14 Ruirui Chen , Weifeng Jiang , Chengwei Qin , Bo Xiong , Fiona Liausvia , Dongkyu Choi , Boon Kiat Quek

Retrieval-Augmented Generation (RAG) enhances language models by grounding responses in external information, yet explainability remains a critical challenge, particularly when retrieval relies on unstructured text. Knowledge graphs (KGs)…

机器学习 · 计算机科学 2025-07-14 Georgios Balanos , Evangelos Chasanis , Konstantinos Skianis , Evaggelia Pitoura

Retrieval-Augmented Generation (RAG) is widely used to mitigate hallucinations of Large Language Models (LLMs) by leveraging external knowledge. While effective for simple queries, traditional RAG systems struggle with large-scale,…

计算与语言 · 计算机科学 2025-11-11 Luyao Zhuang , Shengyuan Chen , Yilin Xiao , Huachi Zhou , Yujing Zhang , Hao Chen , Qinggang Zhang , Xiao Huang

In recent years, the introduction of knowledge graphs (KGs) has significantly advanced recommender systems by facilitating the discovery of potential associations between items. However, existing methods still face several limitations.…

信息检索 · 计算机科学 2025-04-18 Ziqiang Cui , Yunpeng Weng , Xing Tang , Fuyuan Lyu , Dugang Liu , Xiuqiang He , Chen Ma

Despite the strong abilities, large language models (LLMs) still suffer from hallucinations and reliance on outdated knowledge, raising concerns in knowledge-intensive tasks. Graph-based retrieval-augmented generation (GRAG) enriches LLMs…

Knowledge graphs (KGs) are increasingly integrated with large language models (LLMs) to provide structured, verifiable reasoning. A core operation in this integration is multi-hop retrieval, yet existing systems struggle to balance…

计算与语言 · 计算机科学 2026-04-22 He Cheng , Yifu Wu , Saksham Khatwani , Maya Kruse , Dmitriy Dligach , Timothy A. Miller , Majid Afshar , Yanjun Gao

Integrating knowledge graphs (KGs) to enhance the reasoning capabilities of large language models (LLMs) is an emerging research challenge in claim verification. While KGs provide structured, semantically rich representations well-suited…

计算与语言 · 计算机科学 2025-05-29 Hoang Pham , Thanh-Do Nguyen , Khac-Hoai Nam Bui

With the rise of knowledge graph based retrieval-augmented generation (RAG) techniques such as GraphRAG and Pike-RAG, the role of knowledge graphs in enhancing the reasoning capabilities of large language models (LLMs) has become…

信息检索 · 计算机科学 2025-04-15 Hairong Zhang , Jiaheng Si , Guohang Yan , Boyuan Qi , Pinlong Cai , Song Mao , Ding Wang , Botian Shi

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…

Reasoning over knowledge graphs (KGs) is a challenging task that requires a deep understanding of the complex relationships between entities and the underlying logic of their relations. Current approaches rely on learning geometries to…

计算机科学中的逻辑 · 计算机科学 2024-04-02 Nurendra Choudhary , Chandan K. Reddy

While Large Language Models (LLMs) demonstrate exceptional performance in a multitude of Natural Language Processing (NLP) tasks, they encounter challenges in practical applications, including issues with hallucinations, inadequate…

计算与语言 · 计算机科学 2024-06-13 Yihao Li , Ru Zhang , Jianyi Liu

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

Document-level knowledge graph (KG) construction faces a fundamental scaling challenge: existing methods either rely on expensive large language models (LLMs), making them economically nonviable for large-scale corpora, or employ smaller…

The scarcity of high-quality knowledge graphs (KGs) remains a critical bottleneck for downstream AI applications, as existing extraction methods rely heavily on error-prone pattern-matching techniques or resource-intensive large language…

计算与语言 · 计算机科学 2025-10-28 Teng Lin

Graph-RAG constructs a knowledge graph from text chunks to improve retrieval in Large Language Model (LLM)-based question answering. It is particularly useful in domains such as biomedicine, law, and political science, where retrieval often…

信息检索 · 计算机科学 2025-06-04 Yiqian Huang , Shiqi Zhang , Xiaokui Xiao

Large Language Models (LLMs) are being adopted at an unprecedented rate, yet still face challenges in knowledge-intensive domains like biomedicine. Solutions such as pre-training and domain-specific fine-tuning add substantial computational…