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With the rapid development of the internet in the past decade, it has become increasingly important to extract valuable information from vast resources efficiently, which is crucial for establishing a comprehensive digital ecosystem,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Jinghong Li , Wen Gu , Koichi Ota , Shinobu Hasegawa

Handwritten Text Recognition remains challenging due to the limited data, high writing style variance, and scripts with complex diacritics. Existing approaches, though partially address these issues, often struggle to generalize without…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Pham Thach Thanh Truc , Dang Hoai Nam , Huynh Tong Dang Khoa , Vo Nguyen Le Duy

Charts are common in literature across various scientific fields, conveying rich information easily accessible to readers. Current chart-related tasks focus on either chart perception that extracts information from the visual charts, or…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Renqiu Xia , Haoyang Peng , Hancheng Ye , Mingsheng Li , Xiangchao Yan , Peng Ye , Botian Shi , Yu Qiao , Junchi Yan , Bo Zhang

Joint entity and relation extraction is an essential task in natural language processing and knowledge graph construction. Existing approaches usually decompose the joint extraction task into several basic modules or processing steps to…

Computation and Language · Computer Science 2022-03-18 Yu-Ming Shang , Heyan Huang , Xian-Ling Mao

Relation extraction is a key task in Natural Language Processing (NLP), which aims to extract relations between entity pairs from given texts. Recently, relation extraction (RE) has achieved remarkable progress with the development of deep…

Computation and Language · Computer Science 2022-04-12 Xinnian Liang , Shuangzhi Wu , Mu Li , Zhoujun Li

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Krzysztof Olejniczak , Milan Šulc

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

Information Extraction from visually rich documents is a challenging task that has gained a lot of attention in recent years due to its importance in several document-control based applications and its widespread commercial value. The…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Mohamed Dhouib , Ghassen Bettaieb , Aymen Shabou

We propose methods for the analysis of hierarchical clustering that fully use the multi-resolution structure provided by a dendrogram. Specifically, we propose a loss for choosing between clustering methods, a feature importance score and a…

Methodology · Statistics 2023-01-31 Luben M. C. Cabezas , Rafael Izbicki , Rafael B. Stern

We develop an abstractive summarization framework independent of labeled data for multiple heterogeneous documents. Unlike existing multi-document summarization methods, our framework processes documents telling different stories instead of…

Computation and Language · Computer Science 2022-05-03 Ning Wang , Han Liu , Diego Klabjan

Documents are core carriers of information and knowl-edge, with broad applications in finance, healthcare, and scientific research. Tables, as the main medium for structured data, encapsulate key information and are among the most critical…

Computation and Language · Computer Science 2025-08-15 Xuan Li , Jialiang Dong , Raymond Wong

Document-level relation extraction aims to extract relations among entities within a document. Compared with its sentence-level counterpart, Document-level relation extraction requires inference over multiple sentences to extract complex…

Computation and Language · Computer Science 2022-08-05 Liang Zhang , Yidong Cheng

As global trends are shifting towards data-driven industries, the demand for automated algorithms that can convert digital images of scanned documents into machine readable information is rapidly growing. Besides the opportunity of data…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Pascal Fischer , Alen Smajic , Alexander Mehler , Giuseppe Abrami

Key Information Extraction (KIE) is aimed at extracting structured information (e.g. key-value pairs) from form-style documents (e.g. invoices), which makes an important step towards intelligent document understanding. Previous approaches…

Artificial Intelligence · Computer Science 2022-06-15 Fengbin Zhu , Chao Wang , Wenqiang Lei , Ziyang Liu , Tat Seng Chua

In this work, we aim at developing an extractive summarizer in the multi-document setting. We implement a rank based sentence selection using continuous vector representations along with key-phrases. Furthermore, we propose a model to…

Computation and Language · Computer Science 2020-06-26 Mir Tafseer Nayeem , Yllias Chali

Long document classification presents challenges in capturing both local and global dependencies due to their extensive content and complex structure. Existing methods often struggle with token limits and fail to adequately model…

Computation and Language · Computer Science 2024-10-07 Sudipta Singha Roy , Xindi Wang , Robert E. Mercer , Frank Rudzicz

Representing structured text from complex documents typically calls for different machine learning techniques, such as language models for paragraphs and convolutional neural networks (CNNs) for table extraction, which prohibits drawing…

Computation and Language · Computer Science 2022-02-21 Thomas Roland Barillot , Jacob Saks , Polena Lilyanova , Edward Torgas , Yachen Hu , Yuanqing Liu , Varun Balupuri , Paul Gaskell

Visually Rich Documents (VRDs) play a vital role in domains such as academia, finance, healthcare, and marketing, as they convey information through a combination of text, layout, and visual elements. Traditional approaches to extracting…

Computation and Language · Computer Science 2025-06-23 Yihao Ding , Soyeon Caren Han , Jean Lee , Eduard Hovy

Transformer has significantly propelled the development of artificial intelligence, and certainly the development of agents as well. We categorize attention structures of Transformer into two types based on the source of the input…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Yongjin Cui , Xiaohui Fan , Huajun Chen

The task of table structure recognition aims to recognize the internal structure of a table, which is a key step to make machines understand tables. Currently, there are lots of studies on this task for different file formats such as ASCII…

Information Retrieval · Computer Science 2019-08-29 Zewen Chi , Heyan Huang , Heng-Da Xu , Houjin Yu , Wanxuan Yin , Xian-Ling Mao