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Automating table extraction (TE) from business documents is critical for industrial workflows but remains challenging due to sparse annotations and error-prone multi-stage pipelines. While semi-supervised learning (SSL) can leverage…

Artificial Intelligence · Computer Science 2025-06-24 Eliott Thomas , Mickael Coustaty , Aurelie Joseph , Gaspar Deloin , Elodie Carel , Vincent Poulain D'Andecy , Jean-Marc Ogier

Relevant information in documents is often summarized in tables, helping the reader to identify useful facts. Most benchmark datasets support either document layout analysis or table understanding, but lack in providing data to apply both…

Computation and Language · Computer Science 2023-02-14 Andrea Gemelli , Emanuele Vivoli , Simone Marinai

We present TableBank, a new image-based table detection and recognition dataset built with novel weak supervision from Word and Latex documents on the internet. Existing research for image-based table detection and recognition usually…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Minghao Li , Lei Cui , Shaohan Huang , Furu Wei , Ming Zhou , Zhoujun Li

Current language understanding approaches focus on small documents, such as newswire articles, blog posts, product reviews and discussion forum entries. Understanding and extracting information from large documents like legal briefs,…

Computation and Language · Computer Science 2017-09-05 Muhammad Mahbubur Rahman , Tim Finin

Document-level Relation Extraction (DocRE) aims to identify relationships between entity pairs within a document. However, most existing methods assume a uniform label distribution, resulting in suboptimal performance on real-world,…

Computation and Language · Computer Science 2025-01-14 Khai Phan Tran , Wen Hua , Xue Li

Legal documents are unstructured, use legal jargon, and have considerable length, making them difficult to process automatically via conventional text processing techniques. A legal document processing system would benefit substantially if…

Computation and Language · Computer Science 2022-11-08 Vijit Malik , Rishabh Sanjay , Shouvik Kumar Guha , Angshuman Hazarika , Shubham Nigam , Arnab Bhattacharya , Ashutosh Modi

Traditional document similarity measures provide a coarse-grained distinction between similar and dissimilar documents. Typically, they do not consider in what aspects two documents are similar. This limits the granularity of applications…

Computation and Language · Computer Science 2020-10-14 Malte Ostendorff , Terry Ruas , Till Blume , Bela Gipp , Georg Rehm

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

Documents often contain complex physical structures, which make the Document Layout Analysis (DLA) task challenging. As a pre-processing step for content extraction, DLA has the potential to capture rich information in historical or…

Information Retrieval · Computer Science 2021-08-31 Shoubin Li , Xuyan Ma , Shuaiqun Pan , Jun Hu , Lin Shi , Qing Wang

Document layout analysis (DLA) aims to divide a document image into different types of regions. DLA plays an important role in the document content understanding and information extraction systems. Exploring a method that can use less data…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Xingjiao Wu , Tianlong Ma , Xin Li , Qin Chen , Liang He

This paper presents a new method for inferring the semantic properties of documents by leveraging free-text keyphrase annotations. Such annotations are becoming increasingly abundant due to the recent dramatic growth in semi-structured,…

Computation and Language · Computer Science 2014-01-16 S. R. K. Branavan , Harr Chen , Jacob Eisenstein , Regina Barzilay

The use of Retrieval-Augmented Generation (RAG) has improved Large Language Models (LLMs) in collaborating with external data, yet significant challenges exist in real-world scenarios. In areas such as academic literature and finance…

Artificial Intelligence · Computer Science 2024-11-01 Yulong Hui , Yao Lu , Huanchen Zhang

The volume of academic literature, such as academic conference papers and journals, has increased rapidly worldwide, and research on metadata extraction is ongoing. However, high-performing metadata extraction is still challenging due to…

Machine Learning · Computer Science 2021-12-24 Jongyun Choi , Hyesoo Kong , Hwamook Yoon , Heung-Seon Oh , Yuchul Jung

This study presents a bibliometric analysis of industry--academia collaboration in artificial intelligence (AI) research, focusing on papers from two major international conferences, AAAI and IJCAI, from 2010 to 2023. Most previous studies…

Digital Libraries · Computer Science 2025-10-03 Kazuhiro Yamauchi , Marie Katsurai

Due to the popularity of portable document format (PDF) and increasing number of vulnerabilities in major PDF viewer applications, malware writers continue to use it to deliver malware via web downloads, email attachments and other methods…

Cryptography and Security · Computer Science 2018-08-22 Jason Zhang

Document-level relation extraction (DocRE) is a task that focuses on identifying relations between entities within a document. However, existing DocRE models often overlook the correlation between relations and lack a quantitative analysis…

Information Retrieval · Computer Science 2023-10-23 Yusheng Huang , Zhouhan Lin

Document images often have intricate layout structures, with numerous content regions (e.g. texts, figures, tables) densely arranged on each page. This makes the manual annotation of layout datasets expensive and inefficient. These…

Machine Learning · Computer Science 2021-03-31 Zejiang Shen , Jian Zhao , Melissa Dell , Yaoliang Yu , Weining Li

We propose a Label Propagation based algorithm for weakly supervised text classification. We construct a graph where each document is represented by a node and edge weights represent similarities among the documents. Additionally, we…

Computation and Language · Computer Science 2017-12-08 Sachin Pawar , Nitin Ramrakhiyani , Swapnil Hingmire , Girish K. Palshikar

Modern entity linking systems rely on large collections of documents specifically annotated for the task (e.g., AIDA CoNLL). In contrast, we propose an approach which exploits only naturally occurring information: unlabeled documents and…

Computation and Language · Computer Science 2019-06-05 Phong Le , Ivan Titov

Identifying outlier documents, whose content is different from the majority of the documents in a corpus, has played an important role to manage a large text collection. However, due to the absence of explicit information about the inlier…

Information Retrieval · Computer Science 2021-11-29 Dongha Lee , Dongmin Hyun , Jiawei Han , Hwanjo Yu