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We study question answering in the domain of radio regulations, a legally sensitive and high-stakes area. We propose a telecom-specific Retrieval-Augmented Generation (RAG) pipeline and introduce, to our knowledge, the first multiple-choice…

信息检索 · 计算机科学 2025-11-14 Zakaria El Kassimi , Fares Fourati , Mohamed-Slim Alouini

This systematic review of the research literature on retrieval-augmented generation (RAG) provides a focused analysis of the most highly cited studies published between 2020 and May 2025. A total of 128 articles met our inclusion criteria.…

数字图书馆 · 计算机科学 2025-09-10 Andrew Brown , Muhammad Roman , Barry Devereux

Retrieval-augmented generation (RAG) is a paradigm that augments large language models (LLMs) with external knowledge to tackle knowledge-intensive question answering. While several benchmarks evaluate Multimodal LLMs (MLLMs) under…

计算与语言 · 计算机科学 2025-08-18 Yin Wu , Quanyu Long , Jing Li , Jianfei Yu , Wenya Wang

Standard Retrieval-Augmented Generation (RAG) systems predominantly rely on semantic relevance as a proxy for utility. However, this assumption collapses in realistic decision-making scenarios where user queries are laden with cognitive…

计算与语言 · 计算机科学 2026-05-05 Peiyang Liu , Qiang Yan , Ziqiang Cui , Di Liang , Xi Wang , Wei Ye

The increasing use of Retrieval-Augmented Generation (RAG) systems in various applications necessitates stringent protocols to ensure RAG systems accuracy, safety, and alignment with user intentions. In this paper, we introduce VERA…

Existing document OCR largely targets plain text or Markdown, discarding the structural and executable properties that make LaTeX essential for scientific publishing. We study page-level reconstruction of scientific PDFs into compilable…

计算与语言 · 计算机科学 2026-04-28 Chengye Wang , Lin Fu , Zexi Kuang , Yilun Zhao

Accuracy and safety are paramount in Offshore Wind (OSW) maintenance, yet conventional Large Language Models (LLMs) often fail when confronted with highly specialised or unexpected scenarios. We introduce RAGuard, an enhanced…

人工智能 · 计算机科学 2025-09-05 Connor Walker , Koorosh Aslansefat , Mohammad Naveed Akram , Yiannis Papadopoulos

Large language models achieve high task performance yet often hallucinate or rely on outdated knowledge. Retrieval-augmented generation (RAG) addresses these gaps by coupling generation with external search. We analyse how hyperparameters…

机器学习 · 计算机科学 2025-05-14 Adel Ammar , Anis Koubaa , Omer Nacar , Wadii Boulila

Existing Retrieval-Augmented Generation (RAG) systems face challenges in enterprise settings due to limited retrieval scope and data security risks. When relevant internal documents are unavailable, the system struggles to generate accurate…

计算与语言 · 计算机科学 2025-07-18 Grace Byun , Shinsun Lee , Nayoung Choi , Jinho D. Choi

This paper presents Loops On Retrieval Augmented Generation (LoRAG), a new framework designed to enhance the quality of retrieval-augmented text generation through the incorporation of an iterative loop mechanism. The architecture…

计算与语言 · 计算机科学 2024-03-26 Ayush Thakur , Rashmi Vashisth

Text image super-resolution is a challenging yet open research problem in the computer vision community. In particular, low-resolution images hamper the performance of typical optical character recognition (OCR) systems. In this article, we…

计算机视觉与模式识别 · 计算机科学 2015-06-09 Chao Dong , Ximei Zhu , Yubin Deng , Chen Change Loy , Yu Qiao

Retrieval-augmented systems are typically evaluated in settings where information required to answer the query can be found within a single source or the answer is short-form or factoid-based. However, many real-world applications demand…

计算与语言 · 计算机科学 2025-08-29 Rohan Phanse , Yijie Zhou , Kejian Shi , Wencai Zhang , Yixin Liu , Yilun Zhao , Arman Cohan

Organizations increasingly adopt Retrieval-Augmented Generation (RAG) to enhance Large Language Models with enterprise-specific knowledge. However, current data quality (DQ) frameworks have been primarily developed for static datasets, and…

人工智能 · 计算机科学 2025-10-02 Leopold Müller , Joshua Holstein , Sarah Bause , Gerhard Satzger , Niklas Kühl

Document digitization is essential for the digital transformation of our societies, yet a crucial step in the process, Optical Character Recognition (OCR), is still not perfect. Even commercial OCR systems can produce questionable output…

This report explores the latest advances in the field of digital document recognition. With the focus on printed document imagery, we discuss the major developments in optical character recognition (OCR) and document image…

计算机视觉与模式识别 · 计算机科学 2014-12-16 Eugene Borovikov

Retrieval-Augmented Generation (RAG) improves generation quality by incorporating evidence retrieved from large external corpora. However, most existing methods rely on statically selecting top-k passages based on individual relevance,…

人工智能 · 计算机科学 2026-01-09 Yi Jiang , Sendong Zhao , Jianbo Li , Bairui Hu , Yanrui Du , Haochun Wang , Bing Qin

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…

计算与语言 · 计算机科学 2025-08-06 Wenxuan Shen , Mingjia Wang , Yaochen Wang , Dongping Chen , Junjie Yang , Yao Wan , Weiwei Lin

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

Automated code review comment generation (RCG) aims to assist developers by automatically producing natural language feedback for code changes. Existing approaches are primarily either generation-based, using pretrained language models, or…

软件工程 · 计算机科学 2025-06-16 Hyunsun Hong , Jongmoon Baik

Retrieval-Augmented Generation (RAG) is a framework in which a Generator, such as a Large Language Model (LLM), produces answers by retrieving documents from an external collection using a Retriever. In practice, Generators must integrate…

计算与语言 · 计算机科学 2026-04-30 Koki Itai , Shunichi Hasegawa , Yuta Yamamoto , Gouki Minegishi , Masaki Otsuki