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相关论文: BYOKG-RAG: Multi-Strategy Graph Retrieval for Know…

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Visual Question Answering (VQA) focuses on providing answers to natural language questions by utilizing information from images. Although cutting-edge multimodal large language models (MLLMs) such as GPT-4o achieve strong performance on VQA…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Zhengxuan Zhang , Yin Wu , Yuyu Luo , Nan Tang

Knowledge graphs (KGs) are the cornerstone of the semantic web, offering up-to-date representations of real-world entities and relations. Yet large language models (LLMs) remain largely static after pre-training, causing their internal…

计算与语言 · 计算机科学 2026-03-24 Songlin Zhai , Guilin Qi , Yue Wang , Yuan Meng

Large Language Models (LLMs) exhibit strong abilities in natural language understanding and generation, yet they struggle with knowledge-intensive reasoning. Structured Knowledge Graphs (KGs) provide an effective form of external knowledge…

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

Technology-enhanced learning environments often help students retrieve relevant learning content for questions arising during self-paced study. Large language models (LLMs) have emerged as novel aids for information retrieval during…

信息检索 · 计算机科学 2025-09-29 Eason Chen , Chuangji Li , Shizhuo Li , Zimo Xiao , Jionghao Lin , Kenneth R. Koedinger

Large language models like ChatGPT are increasingly used in classrooms, but they often provide outdated or fabricated information that can mislead students. Retrieval Augmented Generation (RAG) improves reliability of LLMs by grounding…

人工智能 · 计算机科学 2025-09-10 Amay Jain , Liu Cui , Si Chen

Recent advancements in large language models (LLMs) and multi-modal LLMs have been remarkable. However, these models still rely solely on their parametric knowledge, which limits their ability to generate up-to-date information and…

人工智能 · 计算机科学 2025-04-22 Zihan Ling , Zhiyao Guo , Yixuan Huang , Yi An , Shuai Xiao , Jinsong Lan , Xiaoyong Zhu , Bo Zheng

Graph-based Retrieval-Augmented Generation (RAG) has shown great capability in enhancing Large Language Model (LLM)'s answer with an external knowledge base. Compared to traditional RAG, it introduces a graph as an intermediate…

信息检索 · 计算机科学 2025-06-18 Ke Wang , Bo Pan , Yingchaojie Feng , Yuwei Wu , Jieyi Chen , Minfeng Zhu , Wei Chen

This study develops a question-answering system based on Retrieval-Augmented Generation (RAG) using Chinese Wikipedia and Lawbank as retrieval sources. Using TTQA and TMMLU+ as evaluation datasets, the system employs BGE-M3 for dense vector…

信息检索 · 计算机科学 2025-01-17 Te-Lun Yang , Jyi-Shane Liu , Yuen-Hsien Tseng , Jyh-Shing Roger Jang

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by integrating them with an external knowledge base to improve the answer relevance and accuracy. In real-world scenarios, beyond pure text, a substantial amount of…

计算与语言 · 计算机科学 2025-10-07 Jiaru Zou , Dongqi Fu , Sirui Chen , Xinrui He , Zihao Li , Yada Zhu , Jiawei Han , Jingrui He

Graph-based retrieval-augmented generation (RAG) enables large language models (LLMs) to incorporate structured knowledge via graph retrieval as contextual input, enhancing more accurate and context-aware reasoning. We observe that for…

机器学习 · 计算机科学 2025-05-20 Qiuyu Zhu , Liang Zhang , Qianxiong Xu , Cheng Long , Jie Zhang

Large Language Models (LLMs) have shown remarkable progress in medical question answering (QA), yet their effectiveness remains predominantly limited to English due to imbalanced multilingual training data and scarce medical resources for…

Extracting relevant and structured knowledge from large, complex technical documents within the Reliability and Maintainability (RAM) domain is labor-intensive and prone to errors. Our work addresses this challenge by presenting OntoKGen, a…

人工智能 · 计算机科学 2024-12-11 Mohammad Sadeq Abolhasani , Rong Pan

Large language models (LLMs) have demonstrated remarkable in-context reasoning capabilities across a wide range of tasks, particularly with unstructured inputs such as language or images. However, LLMs struggle to handle structured data,…

机器学习 · 计算机科学 2025-02-20 Jintang Li , Ruofan Wu , Yuchang Zhu , Huizhe Zhang , Liang Chen , Zibin Zheng

In customer service technical support, swiftly and accurately retrieving relevant past issues is critical for efficiently resolving customer inquiries. The conventional retrieval methods in retrieval-augmented generation (RAG) for large…

信息检索 · 计算机科学 2024-05-07 Zhentao Xu , Mark Jerome Cruz , Matthew Guevara , Tie Wang , Manasi Deshpande , Xiaofeng Wang , Zheng Li

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

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) have demonstrated remarkable performance on question-answering (QA) tasks because of their superior capabilities in natural language understanding and generation. However, LLM-based QA struggles with complex QA…

计算与语言 · 计算机科学 2025-09-23 Chuangtao Ma , Yongrui Chen , Tianxing Wu , Arijit Khan , Haofen Wang

Knowledge graphs, a powerful tool for structuring information through relational triplets, have recently become the new front-runner in enhancing question-answering systems. While traditional Retrieval Augmented Generation (RAG) approaches…

人工智能 · 计算机科学 2025-09-12 Vaibhav Chaudhary , Neha Soni , Narotam Singh , Amita Kapoor

Retrieval-Augmented Generation (RAG) has recently emerged as a promising solution to alleviate Large Language Model (LLM)'s deficiency in lack of knowledge. Existing RAG datasets, however, do not adequately represent the diverse and dynamic…

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