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Retrieval-Augmented Generation (RAG) has emerged as a key paradigm for enhancing large language models (LLMs) by incorporating external knowledge. However, current RAG methods face two limitations: (1) they only cover limited RAG scenarios.…

Computation and Language · Computer Science 2025-01-03 Wanlong Liu , Junying Chen , Ke Ji , Li Zhou , Wenyu Chen , Benyou Wang

Retrieval-Augmented Generation (RAG), which integrates external knowledge into Large Language Models (LLMs), has proven effective in enabling LLMs to produce more accurate and reliable responses. However, it remains a significant challenge…

Computation and Language · Computer Science 2025-02-11 Yan Weng , Fengbin Zhu , Tong Ye , Haoyan Liu , Fuli Feng , Tat-Seng Chua

Large language models (LLMs) have demonstrated remarkable capabilities in a wide range of tasks, yet their application to specialized domains remains challenging due to the need for deep expertise. Retrieval-Augmented generation (RAG) has…

Computation and Language · Computer Science 2025-09-30 Qinggang Zhang , Shengyuan Chen , Yuanchen Bei , Zheng Yuan , Huachi Zhou , Zijin Hong , Hao Chen , Yilin Xiao , Chuang Zhou , Junnan Dong , Yi Chang , Xiao Huang

Retrieval Augmented Generation (RAG) frameworks have shown significant promise in leveraging external knowledge to enhance the performance of large language models (LLMs). However, conventional RAG methods often retrieve documents based…

Computation and Language · Computer Science 2025-04-02 Pouya Pezeshkpour , Estevam Hruschka

Retrieval-Augmented Generation (RAG) systems commonly use chunking strategies for retrieval, which enhance large language models (LLMs) by enabling them to access external knowledge, ensuring that the retrieved information is up-to-date and…

Computation and Language · Computer Science 2025-07-15 Hai Toan Nguyen , Tien Dat Nguyen , Viet Ha Nguyen

Recently, Retrieval-Augmented Generation (RAG) has achieved remarkable success in addressing the challenges of Large Language Models (LLMs) without necessitating retraining. By referencing an external knowledge base, RAG refines LLM…

Artificial Intelligence · Computer Science 2024-09-11 Boci Peng , Yun Zhu , Yongchao Liu , Xiaohe Bo , Haizhou Shi , Chuntao Hong , Yan Zhang , Siliang Tang

This paper presents the development and evaluation of a Retrieval-Augmented Generation (RAG) system for querying the United Kingdom's National Institute for Health and Care Excellence (NICE) clinical guidelines using Large Language Models…

Large Language Models (LLMs) have shown versatility in various Natural Language Processing (NLP) tasks, including their potential as effective question-answering systems. However, to provide precise and relevant information in response to…

Computation and Language · Computer Science 2024-09-09 Sriram Veturi , Saurabh Vaichal , Reshma Lal Jagadheesh , Nafis Irtiza Tripto , Nian Yan

Retrieval-augmented generation (RAG) enables large language models (LLMs) to dynamically access external information, which is powerful for answering questions over previously unseen documents. Nonetheless, they struggle with high-level…

Artificial Intelligence · Computer Science 2026-04-21 Chi-Hsiang Hsiao , Yi-Cheng Wang , Tzung-Sheng Lin , Yi-Ren Yeh , Chu-Song Chen

Retrieval-Augmented Generation (RAG) has proven its effectiveness in mitigating hallucinations in Large Language Models (LLMs) by retrieving knowledge from external resources. To adapt LLMs for the RAG systems, current approaches use…

Computation and Language · Computer Science 2025-03-05 Xinze Li , Sen Mei , Zhenghao Liu , Yukun Yan , Shuo Wang , Shi Yu , Zheni Zeng , Hao Chen , Ge Yu , Zhiyuan Liu , Maosong Sun , Chenyan Xiong

The indexing-retrieval-generation paradigm of retrieval-augmented generation (RAG) has been highly successful in solving knowledge-intensive tasks by integrating external knowledge into large language models (LLMs). However, the…

Cryptography and Security · Computer Science 2025-02-25 Xun Liang , Simin Niu , Zhiyu Li , Sensen Zhang , Hanyu Wang , Feiyu Xiong , Jason Zhaoxin Fan , Bo Tang , Shichao Song , Mengwei Wang , Jiawei Yang

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…

Information Retrieval · Computer Science 2026-05-28 Tianhao Gao , Kai Yang , Yiyang Li

Large Language Models (LLMs) are constrained by outdated information and a tendency to generate incorrect data, commonly referred to as "hallucinations." Retrieval-Augmented Generation (RAG) addresses these limitations by combining the…

Cryptography and Security · Computer Science 2024-06-07 Jiaqi Xue , Mengxin Zheng , Yebowen Hu , Fei Liu , Xun Chen , Qian Lou

In this study, we explore the fine-tuning of Large Language Models (LLMs) to better support policymakers in their crucial work of understanding, analyzing, and crafting legal regulations. To equip the model with a deep understanding of…

Computation and Language · Computer Science 2025-11-06 One Octadion , Bondan Sapta Prakoso , Nanang Yudi Setiawan , Novanto Yudistira

Recently, Retrieval Augmented Generation (RAG) has shifted focus to multi-retrieval approaches to tackle complex tasks such as multi-hop question answering. However, these systems struggle to decide when to stop searching once enough…

Information Retrieval · Computer Science 2026-04-23 Gabriel Iturra-Bocaz , Petra Galuscakova

Retrieval-Augmented Generation (RAG) systems using Multimodal Large Language Models (MLLMs) show great promise for complex document understanding, yet their development is critically hampered by inadequate evaluation. Current benchmarks…

Computation and Language · Computer Science 2025-08-06 Wenxuan Shen , Mingjia Wang , Yaochen Wang , Dongping Chen , Junjie Yang , Yao Wan , Weiwei Lin

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by integrating external knowledge sources, enabling more accurate and contextually relevant responses tailored to user queries. These systems, however, remain…

Computation and Language · Computer Science 2025-05-26 Huichi Zhou , Kin-Hei Lee , Zhonghao Zhan , Yue Chen , Zhenhao Li , Zhaoyang Wang , Hamed Haddadi , Emine Yilmaz

Retrieval-Augmented Generation (RAG) has recently emerged as a method to extend beyond the pre-trained knowledge of Large Language Models by augmenting the original prompt with relevant passages or documents retrieved by an Information…

While Retrieval-Augmented Generation (RAG) plays a crucial role in the application of Large Language Models (LLMs), existing retrieval methods in knowledge-dense domains like law and medicine still suffer from a lack of multi-perspective…

Computation and Language · Computer Science 2025-10-24 Guanhua Chen , Wenhan Yu , Xiao Lu , Xiao Zhang , Erli Meng , Lei Sha

Retrieval-Augmented Generation (RAG) has emerged as a powerful framework to overcome the knowledge limitations of Large Language Models (LLMs) by integrating external retrieval with language generation. While early RAG systems based on…

Artificial Intelligence · Computer Science 2025-06-13 Jintao Liang , Gang Su , Huifeng Lin , You Wu , Rui Zhao , Ziyue Li
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