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Understanding visually-rich business documents to extract structured data and automate business workflows has been receiving attention both in academia and industry. Although recent multi-modal language models have achieved impressive…

Computation and Language · Computer Science 2023-09-19 Zilong Wang , Yichao Zhou , Wei Wei , Chen-Yu Lee , Sandeep Tata

Table of contents (ToC) extraction aims to extract headings of different levels in documents to better understand the outline of the contents, which can be widely used for document understanding and information retrieval. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Pengfei Hu , Zhenrong Zhang , Jianshu Zhang , Jun Du , Jiajia Wu

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…

Extracting information from documents usually relies on natural language processing methods working on one-dimensional sequences of text. In some cases, for example, for the extraction of key information from semi-structured documents, such…

Computation and Language · Computer Science 2021-06-29 Oliver Bensch , Mirela Popa , Constantin Spille

Keyphrase extraction is the task of extracting a small set of phrases that best describe a document. Most existing benchmark datasets for the task typically have limited numbers of annotated documents, making it challenging to train…

Computation and Language · Computer Science 2020-10-26 Tuan Manh Lai , Trung Bui , Doo Soon Kim , Quan Hung Tran

This paper introduces the DocILE benchmark with the largest dataset of business documents for the tasks of Key Information Localization and Extraction and Line Item Recognition. It contains 6.7k annotated business documents, 100k…

Document-to-table (Doc2Table) extraction derives structured tables from unstructured documents under a target schema, enabling reliable and verifiable SQL-based data analytics. Although large language models (LLMs) have shown promise in…

Databases · Computer Science 2026-02-18 Yuxiang Guo , Zhuoran Du , Nan Tang , Kezheng Tang , Congcong Ge , Yunjun Gao

A plethora of scientific software packages are published in repositories, e.g., Zenodo and figshare. These software packages are crucial for the reproducibility of published research. As an additional route to scholarly knowledge graph…

Digital Libraries · Computer Science 2022-12-16 Muhammad Haris , Markus Stocker , Sören Auer

Documents are central to many business systems, and include forms, reports, contracts, invoices or purchase orders. The information in documents is typically in natural language, but can be organized in various layouts and formats. There…

Information Retrieval · Computer Science 2021-10-08 Sumit Shekhar , Bhanu Prakash Reddy Guda , Ashutosh Chaubey , Ishan Jindal , Avneet Jain

Extracting text objects from the PDF images is a challenging problem. The text data present in the PDF images contain certain useful information for automatic annotation, indexing etc. However variations of the text due to differences in…

Computer Vision and Pattern Recognition · Computer Science 2012-10-02 D. Sasirekha , E. Chandra

In the evolving landscape of clinical informatics, the integration and utilization of software tools developed through governmental funding represent a pivotal advancement in research and application. However, the dispersion of these tools…

Digital Libraries · Computer Science 2024-03-28 Jeremy R. Harper

Sentence-by-sentence information extraction from long documents is an exhausting and error-prone task. As the indicator of document skeleton, catalogs naturally chunk documents into segments and provide informative cascade semantics, which…

Computation and Language · Computer Science 2023-05-01 Tong Zhu , Guoliang Zhang , Zechang Li , Zijian Yu , Junfei Ren , Mengsong Wu , Zhefeng Wang , Baoxing Huai , Pingfu Chao , Wenliang Chen

Superior to state-of-the-art approaches which compete in table recognition with 67 annotated government reports in PDF format released by {\it ICDAR 2013 Table Competition}, this paper contributes a novel paradigm leveraging large-scale…

Computer Vision and Pattern Recognition · Computer Science 2015-09-23 Miao Fan , Doo Soon Kim

Extracting key information from documents represents a large portion of business workloads and therefore offers a high potential for efficiency improvements and process automation. With recent advances in Deep Learning, a plethora of Deep…

Information Retrieval · Computer Science 2025-07-21 Alexander Michael Rombach , Peter Fettke

A systematic review identifies and collates various clinical studies and compares data elements and results in order to provide an evidence based answer for a particular clinical question. The process is manual and involves lot of time. A…

Information Retrieval · Computer Science 2016-06-22 Tanmay Basu , Shraman Kumar , Abhishek Kalyan , Priyanka Jayaswal , Pawan Goyal , Stephen Pettifer , Siddhartha R. Jonnalagadda

Correctly parsing mathematical formulas from PDFs is critical for training large language models and building scientific knowledge bases from academic literature, yet existing benchmarks either exclude formulas entirely or lack…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Pius Horn , Janis Keuper

Extracting key information from scientific papers has the potential to help researchers work more efficiently and accelerate the pace of scientific progress. Over the last few years, research on Scientific Information Extraction (SciIE)…

Computation and Language · Computer Science 2023-12-19 Yuhan Li , Jian Wu , Zhiwei Yu , Börje F. Karlsson , Wei Shen , Manabu Okumura , Chin-Yew Lin

Table extraction from PDF and image documents is a ubiquitous task in the real-world. Perfect extraction quality is difficult to achieve with one single out-of-box model due to (1) the wide variety of table styles, (2) the lack of training…

Human-Computer Interaction · Computer Science 2021-02-18 Nancy Xin Ru Wang , Douglas Burdick , Yunyao Li

We introduce Multilingual Document Parsing Benchmark, the first benchmark for multilingual digital and photographed document parsing. Document parsing has made remarkable strides, yet almost exclusively on clean, digital, well-formatted…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zhang Li , Zhibo Lin , Qiang Liu , Ziyang Zhang , Shuo Zhang , Zidun Guo , Jiajun Song , Jiarui Zhang , Xiang Bai , Yuliang Liu

PDF files are primarily intended for human reading rather than automated processing. In addition, the heterogeneous content of PDFs, such as text, tables, and images, poses significant challenges for parsing and information extraction. To…

Computation and Language · Computer Science 2026-04-15 Omar El Bachyr , Yewei Song , Saad Ezzini , Jacques Klein , Tegawendé F. Bissyandé , Anas Zilali , Ulrick Ble , Anne Goujon