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Related papers: Enhancing Document VQA Models via Retrieval-Augmen…

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Document visual question answering (DocVQA) pipelines that answer questions from documents have broad applications. Existing methods focus on handling single-page documents with multi-modal language models (MLMs), or rely on text-based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Jaemin Cho , Debanjan Mahata , Ozan Irsoy , Yujie He , Mohit Bansal

Large Vision-Language Models (LVLMs) have made remarkable strides in multimodal tasks such as visual question answering, visual grounding, and complex reasoning. However, they remain limited by static training data, susceptibility to…

Artificial Intelligence · Computer Science 2025-08-27 Chan-Wei Hu , Yueqi Wang , Shuo Xing , Chia-Ju Chen , Suofei Feng , Ryan Rossi , Zhengzhong Tu

As an effective method to boost the performance of Large Language Models (LLMs) on the question answering (QA) task, Retrieval-Augmented Generation (RAG), which queries highly relevant information from external complex documents, has…

Information Retrieval · Computer Science 2025-12-04 Shu Wang , Yingli Zhou , Yixiang Fang

Retrieval-Augmented Generation (RAG) has shown substantial promise in improving factual accuracy by grounding model responses with external knowledge relevant to queries. However, most existing approaches are limited to a text-only corpus,…

Computation and Language · Computer Science 2026-05-19 Woongyeong Yeo , Kangsan Kim , Soyeong Jeong , Jinheon Baek , Sung Ju Hwang

Traditional Retrieval-Augmented Generation (RAG) methods are limited by their reliance on a fixed number of retrieved documents, often resulting in incomplete or noisy information that undermines task performance. Although recent adaptive…

Computation and Language · Computer Science 2024-10-16 Wenjia Zhai

This paper presents a novel Retrieval-Augmented Generation (RAG) framework tailored for complex question answering tasks, addressing challenges in multi-hop reasoning and contextual understanding across lengthy documents. Built upon LLaMA…

Computation and Language · Computer Science 2025-06-23 Xinyue Huang , Ziqi Lin , Fang Sun , Wenchao Zhang , Kejian Tong , Yunbo Liu

Large language models often encounter challenges with static knowledge and hallucinations, which undermine their reliability. Retrieval-augmented generation (RAG) mitigates these issues by incorporating external information. However, user…

Information Retrieval · Computer Science 2024-11-21 Zhicong Li , Jiahao Wang , Zhishu Jiang , Hangyu Mao , Zhongxia Chen , Jiazhen Du , Yuanxing Zhang , Fuzheng Zhang , Di Zhang , Yong Liu

Retrieval-augmented generation (RAG) is a popular technique for using large language models (LLMs) to build customer-support, question-answering solutions. In this paper, we share our team's practical experience building and maintaining…

Information Retrieval · Computer Science 2024-10-18 Sarah Packowski , Inge Halilovic , Jenifer Schlotfeldt , Trish Smith

Adaptive retrieval-augmented generation (ARAG) aims to dynamically determine the necessity of retrieval for queries instead of retrieving indiscriminately to enhance the efficiency and relevance of the sourced information. However, previous…

Computation and Language · Computer Science 2024-06-06 Zihan Zhang , Meng Fang , Ling Chen

Providing external knowledge to Large Language Models (LLMs) is a key point for using these models in real-world applications for several reasons, such as incorporating up-to-date content in a real-time manner, providing access to…

Computation and Language · Computer Science 2024-06-04 Simon Akesson , Frances A. Santos

With the increasing adoption of Large Language Models (LLMs) and Vision-Language Models (VLMs), rich document analysis technologies for applications like Retrieval-Augmented Generation (RAG) and visual RAG are gaining significant attention.…

Artificial Intelligence · Computer Science 2026-02-16 Nobuhiro Ueda , Yuyang Dong , Krisztián Boros , Daiki Ito , Takuya Sera , Masafumi Oyamada

Document Visual Question Answering (DocVQA) faces dual challenges in processing lengthy multimodal documents (text, images, tables) and performing cross-modal reasoning. Current document retrieval-augmented generation (DocRAG) methods…

Information Retrieval · Computer Science 2025-11-10 Kuicai Dong , Yujing Chang , Shijie Huang , Yasheng Wang , Ruiming Tang , Yong Liu

Generation with source attribution is important for enhancing the verifiability of retrieval-augmented generation (RAG) systems. However, existing approaches in RAG primarily link generated content to document-level references, making it…

Information Retrieval · Computer Science 2024-12-20 Xueguang Ma , Shengyao Zhuang , Bevan Koopman , Guido Zuccon , Wenhu Chen , Jimmy Lin

Retrieval-Augmented Generation (RAG) systems commonly adopt retrieval fusion techniques such as multi-query retrieval and reciprocal rank fusion (RRF) to increase document recall, under the assumption that higher recall leads to better…

Information Retrieval · Computer Science 2026-03-03 Luigi Medrano , Arush Verma , Mukul Chhabra

Retrieval-Augmented Generation (RAG) systems enhance large language models (LLMs) by integrating external knowledge sources, enabling more accurate and contextually relevant responses tailored to user needs. However, existing RAG systems…

Information Retrieval · Computer Science 2025-04-29 Zirui Guo , Lianghao Xia , Yanhua Yu , Tu Ao , Chao Huang

Retrieval-Augmented Generation (RAG) has been empirically shown to enhance the performance of large language models (LLMs) in knowledge-intensive domains such as healthcare, finance, and legal contexts. Given a query, RAG retrieves relevant…

Cryptography and Security · Computer Science 2025-06-02 Xun Xian , Ganghua Wang , Xuan Bi , Jayanth Srinivasa , Ashish Kundu , Charles Fleming , Mingyi Hong , Jie Ding

Understanding information from visually rich documents remains a significant challenge for traditional Retrieval-Augmented Generation (RAG) methods. Existing benchmarks predominantly focus on image-based question answering (QA), overlooking…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Qiuchen Wang , Ruixue Ding , Zehui Chen , Weiqi Wu , Shihang Wang , Pengjun Xie , Feng Zhao

Retrieval-Augmented Generation (RAG) has emerged as a framework to address the constraints of Large Language Models (LLMs). Yet, its effectiveness fundamentally hinges on document chunking - an often-overlooked determinant of its quality.…

Information Retrieval · Computer Science 2026-03-26 Samuel Taiwo , Mohd Amaluddin Yusoff

Current general-purpose large language models (LLMs) commonly exhibit knowledge hallucination and insufficient domain-specific adaptability in domain-specific tasks, limiting their effectiveness in specialized question answering scenarios.…

Information Retrieval · Computer Science 2025-09-16 Mengzheng Yang , Yanfei Ren , David Osei Opoku , Ruochang Li , Peng Ren , Chunxiao Xing

Retrieval-Augmented Generation (RAG) systems depend critically on the quality of document preprocessing, yet no prior study has evaluated PDF processing frameworks by their impact on downstream question-answering accuracy. We address this…