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Retrieval-Augmented Generation (RAG) has become a foundational paradigm for equipping large language models (LLMs) with external knowledge, playing a critical role in information retrieval and knowledge-intensive applications. However,…

计算与语言 · 计算机科学 2025-06-10 Weihang Su , Qingyao Ai , Jingtao Zhan , Qian Dong , Yiqun Liu

We present DynaRAG, a retrieval-augmented generation (RAG) framework designed to handle both static and time-sensitive information needs through dynamic knowledge integration. Unlike traditional RAG pipelines that rely solely on static…

计算与语言 · 计算机科学 2026-03-20 Penghao Liang , Mengwei Yuan , Jianan Liu , Jing Yang , Xianyou Li , Weiran Yan , Yichao Wu

Retrieval-augmented generation (RAG) effectively addresses issues of static knowledge and hallucination in large language models. Existing studies mostly focus on question scenarios with clear user intents and concise answers. However, it…

计算与语言 · 计算机科学 2025-02-18 Shuting Wang , Xin Yu , Mang Wang , Weipeng Chen , Yutao Zhu , Zhicheng Dou

Retrieval-Augmented Generation (RAG) has emerged as a widely adopted approach for knowledge injection during large language model (LLM) inference in recent years. However, due to their limited ability to exploit fine-grained inter-document…

计算与语言 · 计算机科学 2025-09-09 Weitao Li , Kaiming Liu , Xiangyu Zhang , Xuanyu Lei , Weizhi Ma , Yang Liu

While Retrieval-Augmented Generation (RAG) systems enhance Large Language Models (LLMs) by incorporating external knowledge, they still face persistent challenges in retrieval inefficiency and the inability of LLMs to filter out irrelevant…

计算与语言 · 计算机科学 2025-02-13 Ruobing Yao , Yifei Zhang , Shuang Song , Yuhua Liu , Neng Gao , Chenyang Tu

Retrieval-augmented generation (RAG) has emerged as a pivotal method for expanding the knowledge of large language models. To handle complex queries more effectively, researchers developed Adaptive-RAG (A-RAG) to enhance the generated…

人工智能 · 计算机科学 2025-05-27 Jie Ou , Jinyu Guo , Shuaihong Jiang , Zhaokun Wang , Libo Qin , Shunyu Yao , Wenhong Tian

Large language models (LLMs) are very costly and inefficient to update with new information. To address this limitation, retrieval-augmented generation (RAG) has been proposed as a solution that dynamically incorporates external knowledge…

计算与语言 · 计算机科学 2025-07-10 Sezen Perçin , Xin Su , Qutub Sha Syed , Phillip Howard , Aleksei Kuvshinov , Leo Schwinn , Kay-Ulrich Scholl

Retrieval-augmented generation (RAG) techniques leverage the in-context learning capabilities of large language models (LLMs) to produce more accurate and relevant responses. Originating from the simple 'retrieve-then-read' approach, the…

计算与语言 · 计算机科学 2024-07-16 Yunxiao Shi , Xing Zi , Zijing Shi , Haimin Zhang , Qiang Wu , Min Xu

Retrieval-Augmented Generation (RAG) is a prevalent approach to infuse a private knowledge base of documents with Large Language Models (LLM) to build Generative Q\&A (Question-Answering) systems. However, RAG accuracy becomes increasingly…

信息检索 · 计算机科学 2025-03-10 Kunal Sawarkar , Abhilasha Mangal , Shivam Raj Solanki

Retrieval-augmented generation (RAG) has emerged as a paradigm for grounding large language models in external knowledge, yet most existing RAG systems assume centralized knowledge access and ample computation. These assumptions break down…

信息检索 · 计算机科学 2026-05-28 Tianhao Gao , Kai Yang , Yiyang Li

Retrieval-augmented generation (RAG) is critical for reducing hallucinations and incorporating external knowledge into Large Language Models (LLMs). However, advanced RAG systems face a trade-off between performance and efficiency.…

信息检索 · 计算机科学 2025-08-05 Shengbo Gong , Xianfeng Tang , Carl Yang , Wei jin

Retrieval-Augmented Generation (RAG) aims to enhance large language models (LLMs) to generate more accurate and reliable answers with the help of the retrieved context from external knowledge sources, thereby reducing the incidence of…

计算与语言 · 计算机科学 2024-10-17 Jintao Liu , Ruixue Ding , Linhao Zhang , Pengjun Xie , Fie Huang

We present a comprehensive framework for enhancing Retrieval-Augmented Generation (RAG) systems through dynamic retrieval strategies and reinforcement fine-tuning. This approach significantly improves large language models on…

机器学习 · 计算机科学 2025-05-21 Sakhinana Sagar Srinivas , Akash Das , Shivam Gupta , Venkataramana Runkana

Retrieval-Augmented Generation (RAG) utilizes external knowledge to augment Large Language Models' (LLMs) reliability. For flexibility, agentic RAG employs autonomous, multi-round retrieval and reasoning to resolve queries. Although recent…

信息检索 · 计算机科学 2025-11-10 Chao Zhang , Yuhao Wang , Derong Xu , Haoxin Zhang , Yuanjie Lyu , Yuhao Chen , Shuochen Liu , Tong Xu , Xiangyu Zhao , Yan Gao , Yao Hu , Enhong Chen

Retrieval-Augmented Generation (RAG) has emerged as a critical technique for enhancing large language model (LLM) capabilities. However, practitioners face significant challenges when making RAG deployment decisions. While existing research…

软件工程 · 计算机科学 2025-07-22 Shengming Zhao , Yuchen Shao , Yuheng Huang , Jiayang Song , Zhijie Wang , Chengcheng Wan , Lei Ma

The emergence of Retrieval-augmented generation (RAG) has alleviated the issues of outdated and hallucinatory content in the generation of large language models (LLMs), yet it still reveals numerous limitations. When a general-purpose LLM…

计算与语言 · 计算机科学 2024-12-20 Jiayi Wu , Hengyi Cai , Lingyong Yan , Hao Sun , Xiang Li , Shuaiqiang Wang , Dawei Yin , Ming Gao

Retrieval-Augmented Generation (RAG) systems critically depend on retrieval quality, yet no systematic comparison of modern retrieval methods exists for heterogeneous documents containing both text and tabular data. We benchmark ten…

信息检索 · 计算机科学 2026-04-03 Meftun Akarsu , Recep Kaan Karaman , Christopher Mierbach

Large language models (LLMs) inevitably exhibit hallucinations since the accuracy of generated texts cannot be secured solely by the parametric knowledge they encapsulate. Although retrieval-augmented generation (RAG) is a practicable…

计算与语言 · 计算机科学 2024-10-08 Shi-Qi Yan , Jia-Chen Gu , Yun Zhu , Zhen-Hua Ling

Retrieval-augmented generation (RAG) has emerged as a powerful framework for enhancing large language models (LLMs) with external knowledge, particularly in scientific domains that demand specialized and dynamic information. Despite its…

计算与语言 · 计算机科学 2026-02-17 Xianrui Zhong , Bowen Jin , Siru Ouyang , Yanzhen Shen , Qiao Jin , Yin Fang , Zhiyong Lu , Jiawei Han

Retrieval-Augmented Generation (RAG) enables Large Language Models (LLMs) to extend their existing knowledge by dynamically incorporating external information. However, practical deployment is fundamentally constrained by the LLM's finite…

信息检索 · 计算机科学 2026-03-24 Jiarui Guo , Yuemeng Xu , Zongwei Lv , Yangyujia Wang , Xiaolin Wang , Kan Liu , Tao Lan , Lin Qu , Tong Yang