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Retrieval-augmented generation (RAG) has emerged to address the knowledge-intensive visual question answering (VQA) task. Current methods mainly employ separate retrieval and generation modules to acquire external knowledge and generate…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Xinwei Long , Zhiyuan Ma , Ermo Hua , Kaiyan Zhang , Biqing Qi , Bowen Zhou

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

This paper addresses the challenge of building multimodal recommender systems for the movie domain, where sparse item metadata (e.g., title and genres) can limit retrieval quality and downstream recommendations. We introduce RAG-VisualRec,…

Information Retrieval · Computer Science 2026-02-17 Ali Tourani , Fatemeh Nazary , Yashar Deldjoo

Retrieval-augmented generation (RAG) is a common technique for grounding language model outputs in domain-specific information. However, RAG is often challenged by reasoning-intensive question-answering (QA), since common retrieval methods…

Computation and Language · Computer Science 2026-01-27 Saadat Hasan Khan , Spencer Hong , Jingyu Wu , Kevin Lybarger , Youbing Yin , Erin Babinsky , Daben Liu

Financial disclosures such as 10-K filings present challenging retrieval problems due to their length, regulatory section hierarchy, and domain-specific language, which standard retrieval-augmented generation (RAG) models underuse. We…

Computational Engineering, Finance, and Science · Computer Science 2025-09-16 Ying Li , Mengyu Wang , Miguel de Carvalho , Sotirios Sabanis , Tiejun Ma

Retrieval-Augmented Generation (RAG) has emerged as a fundamental paradigm for expanding Large Language Models beyond their static training limitations. However, a critical misalignment exists between current RAG capabilities and real-world…

Artificial Intelligence · Computer Science 2025-10-15 Zirui Guo , Xubin Ren , Lingrui Xu , Jiahao Zhang , Chao Huang

Since many real-world documents combine textual and tabular data, robust Retrieval Augmented Generation (RAG) systems are essential for effectively accessing and analyzing such content to support complex reasoning tasks. Therefore, this…

Information Retrieval · Computer Science 2026-01-19 Jan Strich , Enes Kutay Isgorur , Maximilian Trescher , Chris Biemann , Martin Semmann

The recent emergence of Medical Large Vision Language Models (Med-LVLMs) has enhanced medical diagnosis. However, current Med-LVLMs frequently encounter factual issues, often generating responses that do not align with established medical…

Machine Learning · Computer Science 2024-10-18 Peng Xia , Kangyu Zhu , Haoran Li , Hongtu Zhu , Yun Li , Gang Li , Linjun Zhang , Huaxiu Yao

Retrieval-Augmented Generation (RAG) has emerged as a promising technique to enhance the quality and relevance of responses generated by large language models. While recent advancements have mainly focused on improving RAG for text-based…

Computation and Language · Computer Science 2025-09-30 Ainulla Khan , Yamada Moyuru , Srinidhi Akella

Multimodal Retrieval-Augmented Generation (MRAG) enhances large language models (LLMs) by integrating multimodal data (text, images, videos) into retrieval and generation processes, overcoming the limitations of text-only…

Information Retrieval · Computer Science 2025-04-15 Lang Mei , Siyu Mo , Zhihan Yang , Chong Chen

Document understanding is critical for applications from financial analysis to scientific discovery. Current approaches, whether OCR-based pipelines feeding Large Language Models (LLMs) or native Multimodal LLMs (MLLMs), face key…

Computation and Language · Computer Science 2026-04-21 Sensen Gao , Shanshan Zhao , Xu Jiang , Lunhao Duan , Yong Xien Chng , Qing-Guo Chen , Weihua Luo , Kaifu Zhang , Jia-Wang Bian , Mingming Gong

The rapid evolution of Retrieval-Augmented Generation (RAG) toward multimodal, high-stakes enterprise applications has outpaced the development of domain specific evaluation benchmarks. Existing datasets often rely on general-domain corpora…

Artificial Intelligence · Computer Science 2026-01-23 Chandan Kumar Sahu , Premith Kumar Chilukuri , Matthew Hetrich

Retrieval-Augmented Generation (RAG) has become critical for knowledge-intensive applications, yet evaluating its performance in vertical domains remains difficult due to domain complexity, diverse context scales, and heavy reliance on…

Computation and Language · Computer Science 2026-05-27 Jingbin Qian , Congwen Yi , Min Xia , Wen Wu , Jun Zhu , Jian Guan

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…

Computation and Language · Computer Science 2025-02-18 Shuting Wang , Xin Yu , Mang Wang , Weipeng Chen , Yutao Zhu , Zhicheng Dou

Most organizational data in this world are stored as documents, and visual retrieval plays a crucial role in unlocking the collective intelligence from all these documents. However, existing benchmarks focus on English-only document…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Jian Chen , Ming Li , Jihyung Kil , Chenguang Wang , Tong Yu , Ryan Rossi , Tianyi Zhou , Changyou Chen , Ruiyi Zhang

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) 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…

Information Retrieval · Computer Science 2025-03-10 Kunal Sawarkar , Abhilasha Mangal , Shivam Raj Solanki

Retrieval-augmented generation (RAG) combines knowledge from domain-specific sources into large language models to ground answer generation. Current RAG systems lack customizable visibility on the context documents and the model's…

Computation and Language · Computer Science 2024-11-05 Tevin Wang , Jingyuan He , Chenyan Xiong

Retrieval-augmented generation (RAG) has emerged as a promising paradigm for enhancing large language models (LLMs) on multi-hop question answering (QA), which requires reasoning over evidence from multiple documents. Current multi-hop RAG…

Computation and Language · Computer Science 2026-05-28 Yikai Zhu , Kunfeng Chen , Qihuang Zhong , Juhua Liu , Bo Du

Retrieval-Augmented Generation (RAG) couples a retriever with a large language model (LLM) to ground generated responses in external evidence. While this framework enhances factuality and domain adaptability, it faces a key bottleneck:…

Information Retrieval · Computer Science 2026-01-08 Sherine George