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Tabular data is a crucial form of information expression, which can organize data in a standard structure for easy information retrieval and comparison. However, in financial industry and many other fields tables are often disclosed in…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Yiren Li , Zheng Huang , Junchi Yan , Yi Zhou , Fan Ye , Xianhui Liu

Table detection, a pivotal task in document analysis, aims to precisely recognize and locate tables within document images. Although deep learning has shown remarkable progress in this realm, it typically requires an extensive dataset of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Iqraa Ehsan , Tahira Shehzadi , Didier Stricker , Muhammad Zeshan Afzal

Table extraction (TE) is a key challenge in visual document understanding. Traditional approaches detect tables first, then recognize their structure. Recently, interest has surged in developing methods, such as vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Brandon Smock , Valerie Faucon-Morin , Max Sokolov , Libin Liang , Tayyibah Khanam , Amrit Ramesh , Maury Courtland

Tables have gained significant attention in large language models (LLMs) and multimodal large language models (MLLMs) due to their complex and flexible structure. Unlike linear text inputs, tables are two-dimensional, encompassing formats…

Computation and Language · Computer Science 2025-08-04 Xiaofeng Wu , Alan Ritter , Wei Xu

Many documents, that we call templatized documents, are programmatically generated by populating fields in a visual template. Effective data extraction from these documents is crucial to supporting downstream analytical tasks. Current data…

Databases · Computer Science 2025-01-14 Yiming Lin , Mawil Hasan , Rohan Kosalge , Alvin Cheung , Aditya G. Parameswaran

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

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

The extraction and use of diverse knowledge from numerous documents is a pressing challenge in intelligent information retrieval. Documents contain elements that require different recognition methods. Table recognition typically consists of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Takaya Kawakatsu

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

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

This paper shows that further evaluation metrics during model training are needed to decide about its applicability in inference. As an example, a LayoutLM-based model is trained for token classification in documents. The documents are…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Anket Mehra , Malte Prieß , Marian Himstedt

This work presents a novel approach to tabular data prediction leveraging graph structure learning and graph neural networks. Despite the prevalence of tabular data in real-world applications, traditional deep learning methods often…

Machine Learning · Computer Science 2023-05-26 Jay Chiehen Liao , Cheng-Te Li

Understanding the semantics of tables at scale is crucial for tasks like data integration, preparation, and search. Table understanding methods aim at detecting a table's topic, semantic column types, column relations, or entities. With the…

Databases · Computer Science 2021-09-14 Madelon Hulsebos , Sneha Gathani , James Gale , Isil Dillig , Paul Groth , Çağatay Demiralp

Information Extraction (IE) from the tables present in scientific articles is challenging due to complicated tabular representations and complex embedded text. This paper presents TabLeX, a large-scale benchmark dataset comprising table…

Information Retrieval · Computer Science 2021-09-07 Harsh Desai , Pratik Kayal , Mayank Singh

Deep Convolutional Neural Networks (DCNNs) have recently been applied successfully to a variety of vision and multimedia tasks, thus driving development of novel solutions in several application domains. Document analysis is a particularly…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 I. Kavasidis , S. Palazzo , C. Spampinato , C. Pino , D. Giordano , D. Giuffrida , P. Messina

Considerable research attention has been paid to table detection by developing not only rule-based approaches reliant on hand-crafted heuristics but also deep learning approaches. Although recent studies successfully perform table detection…

Machine Learning · Computer Science 2022-11-15 Hyebin Kwon , Joungbin An , Dongwoo Lee , Won-Yong Shin

Many data we collect today are in tabular form, with rows as records and columns as attributes associated with each record. Understanding the structural relationship in tabular data can greatly facilitate the data science process.…

Data Structures and Algorithms · Computer Science 2020-09-09 Jin Cao , Yibo Zhao , Linjun Zhang , Jason Li

It is well-established that large, diverse datasets play a pivotal role in the performance of modern AI systems for text and image modalities. However, there are no datasets for tabular data of comparable size and diversity to those…

Computation and Language · Computer Science 2023-10-13 Gus Eggert , Kevin Huo , Mike Biven , Justin Waugh

We present an open-source and extensible knowledge extraction toolkit DeepKE, supporting complicated low-resource, document-level and multimodal scenarios in the knowledge base population. DeepKE implements various information extraction…

Information extraction from semi-structured webpages provides valuable long-tailed facts for augmenting knowledge graph. Relational Web tables are a critical component containing additional entities and attributes of rich and diverse…

Information Retrieval · Computer Science 2021-02-19 Daheng Wang , Prashant Shiralkar , Colin Lockard , Binxuan Huang , Xin Luna Dong , Meng Jiang