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Portable Document Format (PDF) files are dominantly used for storing and disseminating scientific research, legal documents, and tax information. LaTeX is a popular application for creating PDF documents. Despite its advantages, LaTeX is…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Nan Jiang , Shanchao Liang , Chengxiao Wang , Jiannan Wang , Lin Tan

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

Large Language Models (LLMs) demonstrate exceptional performance in textual understanding and tabular reasoning tasks. However, their ability to comprehend and analyze hybrid text, containing textual and tabular data, remains underexplored.…

Computation and Language · Computer Science 2024-03-08 Chongjian Yue , Xinrun Xu , Xiaojun Ma , Lun Du , Hengyu Liu , Zhiming Ding , Yanbing Jiang , Shi Han , Dongmei Zhang

Unstructured data formats account for over 80% of the data currently stored, and extracting value from such formats remains a considerable challenge. In particular, current approaches for managing unstructured documents do not support…

The proliferation of complex structured data in hybrid sources, such as PDF documents and web pages, presents unique challenges for current Large Language Models (LLMs) and Multi-modal Large Language Models (MLLMs) in providing accurate…

Information Retrieval · Computer Science 2025-08-22 Shivani Upadhyay , Messiah Ataey , Syed Shariyar Murtaza , Yifan Nie , Jimmy Lin

Accurate and comprehensive material databases extracted from research papers are crucial for materials science and engineering, but their development requires significant human effort. With large language models (LLMs) transforming the way…

A long standing goal of the data management community is to develop general, automated systems that ingest semi-structured documents and output queryable tables without human effort or domain specific customization. Given the sheer variety…

Computation and Language · Computer Science 2025-03-10 Simran Arora , Brandon Yang , Sabri Eyuboglu , Avanika Narayan , Andrew Hojel , Immanuel Trummer , Christopher Ré

Large Language Models (LLMs) demonstrate exceptional performance in textual understanding and tabular reasoning tasks. However, their ability to comprehend and analyze hybrid text, containing textual and tabular data, remains unexplored.…

Computation and Language · Computer Science 2025-01-03 Chongjian Yue , Xinrun Xu , Xiaojun Ma , Lun Du , Zhiming Ding , Shi Han , Dongmei Zhang , Qi Zhang

Computer aided Tabular Data Extraction has always been a very challenging and error prone task because it demands both Spectral and Spatial Sanity of data. In this paper we discuss an approach for Tabular Data Extraction in the realm of…

Computation and Language · Computer Science 2021-05-20 Saumya Banthia , Anantha Sharma , Ravi Mangipudi

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

Template extraction is the process of isolating the template of a given webpage. It is widely used in several disciplines, including webpages development, content extraction, block detection, and webpages indexing. One of the main goals of…

Information Retrieval · Computer Science 2014-09-10 Julián Alarte , David Insa , Josep Silva , Salvador Tamarit

In this paper, we explore the question of whether large language models can support cost-efficient information extraction from tables. We introduce schema-driven information extraction, a new task that transforms tabular data into…

Computation and Language · Computer Science 2024-11-22 Fan Bai , Junmo Kang , Gabriel Stanovsky , Dayne Freitag , Mark Dredze , Alan Ritter

Data-rich documents are ubiquitous in various applications, yet they often rely solely on textual descriptions to convey data insights. Prior research primarily focused on providing visualization-centric augmentation to data-rich documents.…

Human-Computer Interaction · Computer Science 2025-02-07 Ruishi Zou , Yinqi Tang , Jingzhu Chen , Siyu Lu , Yan Lu , Yingfan Yang , Chen Ye

Large Language Models (LLM) have revolutionized Natural Language Processing (NLP), improving state-of-the-art and exhibiting emergent capabilities across various tasks. However, their application in extracting information from visually rich…

Computation and Language · Computer Science 2024-06-25 Vincent Perot , Kai Kang , Florian Luisier , Guolong Su , Xiaoyu Sun , Ramya Sree Boppana , Zilong Wang , Zifeng Wang , Jiaqi Mu , Hao Zhang , Chen-Yu Lee , Nan Hua

Authors seeking to communicate with broader audiences often share their ideas in various document formats, such as slide decks, newsletters, reports, and posters. Prior work on document generation has generally tackled the creation of each…

Computation and Language · Computer Science 2024-10-01 Isabel Cachola , Silviu Cucerzan , Allen Herring , Vuksan Mijovic , Erik Oveson , Sujay Kumar Jauhar

Since real-world ubiquitous documents (e.g., invoices, tickets, resumes and leaflets) contain rich information, automatic document image understanding has become a hot topic. Most existing works decouple the problem into two separate tasks,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Peng Zhang , Yunlu Xu , Zhanzhan Cheng , Shiliang Pu , Jing Lu , Liang Qiao , Yi Niu , Fei Wu

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

Modern database systems allow users to query or process unstructured text or document columns using LLM-powered functions. Users can express an operation in natural language (e.g., "identify if this review mentions billing issues"), with…

Databases · Computer Science 2026-01-12 Shreya Shankar , Sepanta Zeighami , Aditya Parameswaran

Template detection and content extraction are two of the main areas of information retrieval applied to the Web. They perform different analyses over the structure and content of webpages to extract some part of the document. However, their…

Information Retrieval · Computer Science 2022-07-19 Julián Alarte , Josep Silva

We are presenting a set of multilingual text analysis tools that can help analysts in any field to explore large document collections quickly in order to determine whether the documents contain information of interest, and to find the…

Computation and Language · Computer Science 2007-05-23 Camelia Ignat , Bruno Pouliquen , Ralf Steinberger , Tomaz Erjavec