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Related papers: tabulapdf: An R Package to Extract Tables from PDF…

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Extracting information from academic PDF documents is crucial for numerous indexing, retrieval, and analysis use cases. Choosing the best tool to extract specific content elements is difficult because many, technically diverse tools are…

Information Retrieval · Computer Science 2023-03-20 Norman Meuschke , Apurva Jagdale , Timo Spinde , Jelena Mitrović , Bela Gipp

PDF is one of the most prominent data formats, making PDF parsing crucial for information extraction and retrieval, particularly with the rise of RAG systems. While various PDF parsing tools exist, their effectiveness across different…

Information Retrieval · Computer Science 2025-04-04 Narayan S. Adhikari , Shradha Agarwal

This study explores three approaches to processing table data in scientific papers to enhance extractive question answering and develop a software tool for the systematic review process. The methods evaluated include: (1) Optical Character…

Information Retrieval · Computer Science 2025-08-27 Dongyoun Kim , Hyung-do Choi , Youngsun Jang , John Kim

The increasing availability of large but noisy data sets with a large number of heterogeneous variables leads to the increasing interest in the automation of common tasks for data analysis. The most time-consuming part of this process is…

Computation · Statistics 2019-09-19 Mateusz Staniak , Przemyslaw Biecek

Scientific documents contain tables that list important information in a concise fashion. Structure and content extraction from tables embedded within PDF research documents is a very challenging task due to the existence of visual features…

Information Retrieval · Computer Science 2022-11-01 Pratik Kayal , Mrinal Anand , Harsh Desai , Mayank Singh

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

Incorporating external knowledge bases in traditional retrieval-augmented generation (RAG) relies on parsing the document, followed by querying a language model with the parsed information via in-context learning. While effective for…

Computation and Language · Computer Science 2026-02-03 Jacob Si , Mike Qu , Michelle Lee , Marek Rei , Yingzhen Li

Table extraction from document images is a challenging AI problem, and labelled data for many content domains is difficult to come by. Existing table extraction datasets often focus on scientific tables due to the vast amount of academic…

Machine Learning · Computer Science 2024-12-06 Ethan Bradley , Muhammad Roman , Karen Rafferty , Barry Devereux

Table answering questions from business documents has many challenges that require understanding tabular structures, cross-document referencing, and additional numeric computations beyond simple search queries. This paper introduces a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Phuc Nguyen , Nam Tuan Ly , Hideaki Takeda , Atsuhiro Takasu

Tabular data is difficult to analyze and to search through, yielding for new tools and interfaces that would allow even non tech-savvy users to gain insights from open datasets without resorting to specialized data analysis tools or even…

Information Retrieval · Computer Science 2017-08-31 Svitlana Vakulenko , Vadim Savenkov

Abstract--- Table detection and extraction has been studied in the context of documents like reports, where tables are clearly outlined and stand out from the document structure visually. We study this topic in a rather more challenging…

Information Retrieval · Computer Science 2021-08-20 Martin Holeček , Antonín Hoskovec , Petr Baudiš , Pavel Klinger

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

In the field of pharmacology, there is a notable absence of centralized, comprehensive, and up-to-date repositories of PK data. This poses a significant challenge for R&D as it can be a time-consuming and challenging task to collect all the…

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

Large amount of public data produced by enterprises are in semi-structured PDF form. Tabular data extraction from reports and other published data in PDF format is of interest for various data consolidation purposes such as analysing and…

Information Retrieval · Computer Science 2019-01-16 Rahul Anand , Hye-Young Paik , Cheng Wang

Recent years in NLP have seen the continued development of domain-specific information extraction tools for scientific documents, alongside the release of increasingly multimodal pretrained transformer models. While the opportunity for…

Computation and Language · Computer Science 2025-06-25 Sireesh Gururaja , Yueheng Zhang , Guannan Tang , Tianhao Zhang , Kevin Murphy , Yu-Tsen Yi , Junwon Seo , Anthony Rollett , Emma Strubell

This work introduces the R package RefManageR, which provides tools for importing and working with bibliographic references. It extends the bibentry class in R in a number of useful ways, including providing R with previously unavailable…

Digital Libraries · Computer Science 2014-03-11 Mathew W. McLean

Accurately extracting structured content from PDFs is a critical first step for NLP over scientific papers. Recent work has improved extraction accuracy by incorporating elementary layout information, e.g., each token's 2D position on the…

Computation and Language · Computer Science 2022-01-06 Zejiang Shen , Kyle Lo , Lucy Lu Wang , Bailey Kuehl , Daniel S. Weld , Doug Downey

The digital conversion of information stored in documents is a great source of knowledge. In contrast to the documents text, the conversion of the embedded documents graphics, such as charts and plots, has been much less explored. We…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Joseph Shtok , Sivan Harary , Ophir Azulai , Adi Raz Goldfarb , Assaf Arbelle , Leonid Karlinsky

To facilitate the review, evaluation and analysis of scientific literature, the lit-tag R Shiny application provides a convenient interface for users to generate a citation database with custom, user-defined tags and notes. Lit-tag is not…

Digital Libraries · Computer Science 2026-03-30 Paul McElhany , Kalina Grabb , Maddison Wood