中文
相关论文

相关论文: Hierarchical Document Refinement for Long-context …

200 篇论文

Retrieval-Augmented Generation (RAG) helps LLMs stay accurate, but feeding long documents into a prompt makes the model slow and expensive. This has motivated context compression, ranging from token pruning and summarization to…

计算与语言 · 计算机科学 2026-01-09 Jianbo Li , Yi Jiang , Sendong Zhao , Bairui Hu , Haochun Wang , Bing Qin

Retrieval-augmented generation (RAG) enhances large language models with external knowledge, and tree-based RAG organizes documents into hierarchical indexes to support queries at multiple granularities. However, existing Tree-RAG methods…

机器学习 · 计算机科学 2026-05-04 Ziwen Zhao , Menglin Yang

Retrieval-Augmented Generation (RAG) has recently demonstrated the performance of Large Language Models (LLMs) in the knowledge-intensive tasks such as Question-Answering (QA). RAG expands the query context by incorporating external…

机器学习 · 计算机科学 2024-06-18 Zijian Hei , Weiling Liu , Wenjie Ou , Juyi Qiao , Junming Jiao , Guowen Song , Ting Tian , Yi Lin

Retrieval-Augmented Generation (RAG) systems have recently shown remarkable advancements by integrating retrieval mechanisms into language models, enhancing their ability to produce more accurate and contextually relevant responses.…

计算与语言 · 计算机科学 2025-01-14 Siran Li , Linus Stenzel , Carsten Eickhoff , Seyed Ali Bahrainian

Large Language Models (LLMs) equipped with web search capabilities have demonstrated impressive potential for deep research tasks. However, current approaches predominantly rely on either manually engineered prompts (prompt…

人工智能 · 计算机科学 2025-04-18 Yuxiang Zheng , Dayuan Fu , Xiangkun Hu , Xiaojie Cai , Lyumanshan Ye , Pengrui Lu , Pengfei Liu

Multi-modal Retrieval-Augmented Generation (RAG) has become a critical method for empowering LLMs by leveraging candidate visual documents. However, current methods consider the entire document as the basic retrieval unit, introducing…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Yinglu Li , Zhiying Lu , Zhihang Liu , Yiwei Sun , Chuanbin Liu , Hongtao Xie

This technical report details a novel approach to combining reasoning and retrieval augmented generation (RAG) within a single, lean language model architecture. While existing RAG systems typically rely on large-scale models and external…

Multimodal Retrieval-Augmented Generation (RAG) has emerged as an effective paradigm for enhancing Large Language Models (LLMs) with external knowledge. However, existing multimodal RAG systems predominantly rely on coarse-grained…

信息检索 · 计算机科学 2026-05-25 Yifan Zhu , Yu Mi , Yue Lu , Yanchu Guan , Zhixuan Chu

Retrieval-augmented generation (RAG) has become a transformative approach for enhancing large language models (LLMs) by grounding their outputs in external knowledge sources. Yet, a critical question persists: how can vast volumes of…

信息检索 · 计算机科学 2025-04-29 Carlo Merola , Jaspinder Singh

Retrieval Augmented Generation (RAG) has been a powerful tool for Large Language Models (LLMs) to efficiently process overly lengthy contexts. However, recent LLMs like Gemini-1.5 and GPT-4 show exceptional capabilities to understand long…

计算与语言 · 计算机科学 2024-10-18 Zhuowan Li , Cheng Li , Mingyang Zhang , Qiaozhu Mei , Michael Bendersky

Long-Context Question Answering (LCQA), a challenging task, aims to reason over long-context documents to yield accurate answers to questions. Existing long-context Large Language Models (LLMs) for LCQA often struggle with the "lost in the…

计算与语言 · 计算机科学 2024-11-04 Qingfei Zhao , Ruobing Wang , Yukuo Cen , Daren Zha , Shicheng Tan , Yuxiao Dong , Jie Tang

Retrieval-Augmented Generation (RAG) is an effective approach to enhance the factual accuracy of large language models (LLMs) by retrieving information from external databases, which are typically composed of diverse sources, to supplement…

机器学习 · 计算机科学 2025-10-15 Jeongyeon Hwang , Junyoung Park , Hyejin Park , Dongwoo Kim , Sangdon Park , Jungseul Ok

The conventional use of the Retrieval-Augmented Generation (RAG) architecture has proven effective for retrieving information from diverse documents. However, challenges arise in handling complex table queries, especially within PDF…

机器学习 · 计算机科学 2024-02-13 Uday Allu , Biddwan Ahmed , Vishesh Tripathi

Evaluating retrieval-augmented generation (RAG) presents challenges, particularly for retrieval models within these systems. Traditional end-to-end evaluation methods are computationally expensive. Furthermore, evaluation of the retrieval…

计算与语言 · 计算机科学 2024-04-23 Alireza Salemi , Hamed Zamani

Retrieval-Augmented Generation (RAG) aims to augment the capabilities of Large Language Models (LLMs) by retrieving and incorporate external documents or chunks prior to generation. However, even improved retriever relevance can brings…

计算与语言 · 计算机科学 2025-04-29 Sha Li , Naren Ramakrishnan

Large language models are transitioning from generalpurpose knowledge engines to realworld problem solvers, yet optimizing them for deep search tasks remains challenging. The central bottleneck lies in the extreme sparsity of highquality…

Large Language Models (LLMs) are becoming essential tools for various natural language processing tasks but often suffer from generating outdated or incorrect information. Retrieval-Augmented Generation (RAG) addresses this issue by…

Recent multimodal large language models (MLLMs) still struggle with long document understanding due to two fundamental challenges: information interference from abundant irrelevant content, and the quadratic computational cost of…

计算与语言 · 计算机科学 2025-11-14 Yongxin Shi , Jiapeng Wang , Zeyu Shan , Dezhi Peng , Zening Lin , Lianwen Jin

In this paper, we analyze and empirically show that the learned relevance for conventional information retrieval (IR) scenarios may be inconsistent in retrieval-augmented generation (RAG) scenarios. To bridge this gap, we introduce OpenRAG,…

计算与语言 · 计算机科学 2025-03-12 Jiawei Zhou , Lei Chen

The growing demand for efficient and lightweight Retrieval-Augmented Generation (RAG) systems has highlighted significant challenges when deploying Small Language Models (SLMs) in existing RAG frameworks. Current approaches face severe…

人工智能 · 计算机科学 2025-01-28 Tianyu Fan , Jingyuan Wang , Xubin Ren , Chao Huang