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Related papers: Hybrid OCR-LLM Framework for Enterprise-Scale Docu…

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Large language models (LLMs) show promise for extracting clinically meaningful information from unstructured health records, yet their translation into real-world settings is constrained by the lack of scalable and trustworthy validation…

Document understanding remains a significant challenge for multimodal large language models (MLLMs). While previous research has primarily focused on locating evidence pages through precise multimodal queries, our work investigates a…

Computation and Language · Computer Science 2025-06-30 Chang Liu , Hongkai Chen , Yujun Cai , Hang Wu , Qingwen Ye , Ming-Hsuan Yang , Yiwei Wang

Information extraction (IE) plays a crucial role in natural language processing (NLP) by converting unstructured text into structured knowledge. Deploying computationally intensive large language models (LLMs) on resource-constrained…

Computation and Language · Computer Science 2025-05-22 Zhihao Wen , Sheng Liang , Yaxiong Wu , Yongyue Zhang , Yong Liu

Semi-structured documents integrate diverse interleaved data elements (e.g., tables, charts, hierarchical paragraphs) arranged in various and often irregular layouts. These documents are widely observed across domains and account for a…

Information Retrieval · Computer Science 2026-04-15 Bangrui Xu , Qihang Yao , Zirui Tang , Xuanhe Zhou , Yeye He , Shihan Yu , Qianqian Xu , Bin Wang , Guoliang Li , Conghui He , Fan Wu

We propose a methodology that combines several advanced techniques in Large Language Model (LLM) retrieval to support the development of robust, multi-source question-answer systems. This methodology is designed to integrate information…

Artificial Intelligence · Computer Science 2024-12-25 Antony Seabra , Claudio Cavalcante , Joao Nepomuceno , Lucas Lago , Nicolaas Ruberg , Sergio Lifschitz

Business Process Model and Notation (BPMN) is a widely adopted standard for representing complex business workflows. While BPMN diagrams are often exchanged as visual images, existing methods primarily rely on XML representations for…

Artificial Intelligence · Computer Science 2025-12-01 Pritam Deka , Barry Devereux

This research introduces a transformative framework for integrating Vision-Enhanced Large Language Models (LLMs) with advanced transformer-based architectures to tackle challenges in high-resolution image synthesis and multimodal data…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Karthikeya KV

With the rapid development of large language models (LLMs), more and more researchers have paid attention to information extraction based on LLMs. However, there are still some spaces to improve in the existing related methods. First,…

Computation and Language · Computer Science 2026-03-24 Jiang Liu , Ge Qiu , Hao Fei , Dongdong Xie , Jinbo Li , Fei Li , Chong Teng , Donghong Ji

Ontologies are essential for structuring domain knowledge, improving accessibility, sharing, and reuse. However, traditional ontology construction relies on manual annotation and conventional natural language processing (NLP) techniques,…

Artificial Intelligence · Computer Science 2026-02-03 Xuan Liu , Ziyu Li , Mu He , Ziyang Ma , Xiaoxu Wu , Gizem Yilmaz , Yiyuan Xia , Bingbing Li , He Tan , Jerry Ying Hsi Fuh , Wen Feng Lu , Anders E. W. Jarfors , Per Jansson

Recent advances in Large Vision-Language models (LVLM) have spurred significant progress in document parsing task. Compared to traditional pipeline-based methods, end-to-end paradigms have shown their excellence in converting PDF images…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Xiangyang Chen , Shuzhao Li , Xiuwen Zhu , Yongfan Chen , Fan Yang , Cheng Fang , Lin Qu , Xiaoxiao Xu , Hu Wei , Minggang Wu

Missing-person and child-safety investigations rely on heterogeneous case documents, including structured forms, bulletin-style posters, and narrative web profiles. Variations in layout, terminology, and data quality impede rapid triage,…

Computation and Language · Computer Science 2026-04-09 Joshua Castillo , Ravi Mukkamala

This paper presents a specialized methodology for digitizing and segmenting mathematical documents from zbMATH Open, a comprehensive database of mathematical literature, to enhance machine processing capabilities. Currently, approximately…

Digital Libraries · Computer Science 2026-04-02 Ivan Pluzhnikov , Ankit Satpute , Moritz Schubotz , Olaf Teschke , Bela Gipp

Document parsing has recently advanced with multimodal large language models (MLLMs) that directly map document images to structured outputs. Traditional cascaded pipelines depend on precise layout analysis and often fail under casually…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Gengluo Li , Pengyuan Lyu , Chengquan Zhang , Huawen Shen , Liang Wu , Xingyu Wan , Gangyan Zeng , Han Hu , Can Ma , Yu Zhou

Hybrid Retrieval systems, combining Sparse and Dense Retrieval methods, struggle with Traditional Chinese non-narrative documents due to their complex formatting, rich vocabulary, and the insufficient understanding of Chinese synonyms by…

Information Retrieval · Computer Science 2025-05-02 Hsin-Ling Hsu , Ping-Sheng Lin , Jing-Di Lin , Jengnan Tzeng

We present the first large-scale, cross-domain evaluation of document chunking strategies for dense retrieval, addressing a critical but underexplored aspect of retrieval-augmented systems. In our study, 36 segmentation methods spanning…

Computation and Language · Computer Science 2026-03-10 Muhammad Arslan Shaukat , Muntasir Adnan , Carlos C. N. Kuhn

Object Recognition and Document Skew Estimation have come a long way in terms of performance and efficiency. New models follow one of two directions: improving performance using larger models, and improving efficiency using smaller models.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Lucas Wojcik , Luiz Coelho , Roger Granada , David Menotti

Intelligently extracting and linking complex scientific information from unstructured text is a challenging endeavor particularly for those inexperienced with natural language processing. Here, we present a simple sequence-to-sequence…

Computation and Language · Computer Science 2022-12-13 Alexander Dunn , John Dagdelen , Nicholas Walker , Sanghoon Lee , Andrew S. Rosen , Gerbrand Ceder , Kristin Persson , Anubhav Jain

Automated knowledge extraction from scientific literature can potentially accelerate materials discovery. We have investigated an approach for extracting synthesis protocols for reticular materials from scientific literature using large…

Reading text from images or scanned documents via OCR models has been a longstanding focus of researchers. Intuitively, text reading is perceived as a straightforward perceptual task, and existing work primarily focuses on constructing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Yufeng Zhong , Lei Chen , Zhixiong Zeng , Xuanle Zhao , Deyang Jiang , Liming Zheng , Jing Huang , Haibo Qiu , Peng Shi , Siqi Yang , Lin Ma

Optical Character Recognition (OCR) systems have been widely used in various of application scenarios. Designing an OCR system is still a challenging task. In previous work, we proposed a practical ultra lightweight OCR system (PP-OCR) to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Yuning Du , Chenxia Li , Ruoyu Guo , Cheng Cui , Weiwei Liu , Jun Zhou , Bin Lu , Yehua Yang , Qiwen Liu , Xiaoguang Hu , Dianhai Yu , Yanjun Ma