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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

Data cleaning is the initial stage of any machine learning project and is one of the most critical processes in data analysis. It is a critical step in ensuring that the dataset is devoid of incorrect or erroneous data. It can be done…

Databases · Computer Science 2021-09-16 Ga Young Lee , Lubna Alzamil , Bakhtiyar Doskenov , Arash Termehchy

Extracting information from unstructured text documents is a demanding task, since these documents can have a broad variety of different layouts and a non-trivial reading order, like it is the case for multi-column documents or nested…

Artificial Intelligence · Computer Science 2022-02-08 Matthias Engelbach , Dennis Klau , Jens Drawehn , Maximilien Kintz

Large language models (LLMs) have shown impressive performance on general-purpose tasks, yet adapting them to specific domains remains challenging due to the scarcity of high-quality domain data. Existing data synthesis tools often struggle…

Computation and Language · Computer Science 2025-07-08 Ziyang Miao , Qiyu Sun , Jingyuan Wang , Yuchen Gong , Yaowei Zheng , Shiqi Li , Richong Zhang

This technical memo describes Information Extraction from the point-of-view of a potential user of the technology. No knowledge of language processing is assumed. Information Extraction is a process which takes unseen texts as input and…

cmp-lg · Computer Science 2008-02-03 Hamish Cunningham

Good code quality is a prerequisite for efficiently developing maintainable software. In this paper, we present a novel approach to generate exploranative (explanatory and exploratory) data-driven documents that report code quality in an…

Human-Computer Interaction · Computer Science 2019-10-10 Haris Mumtaz , Shahid Latif , Fabian Beck , Daniel Weiskopf

Manual chart review remains an extremely time-consuming and resource-intensive component of clinical research, requiring experts to extract often complex information from unstructured electronic health record (EHR) narratives. We present a…

Data quality problems are a large threat in data science. In this paper, we propose a data-cleaning autoencoder capable of near-automatic data quality improvement. It learns the structure and dependencies in the data and uses it as evidence…

Databases · Computer Science 2021-08-04 R. R. Mauritz , F. P. J. Nijweide , J. Goseling , M. van Keulen

In order to introduce an integrated research information system, this will provide scientific institutions with the necessary information on research activities and research results in assured quality. Since data collection, duplication,…

Databases · Computer Science 2019-01-23 Otmane Azeroual , Mohammad Abuosba

Recently, automatically extracting information from visually rich documents (e.g., tickets and resumes) has become a hot and vital research topic due to its widespread commercial value. Most existing methods divide this task into two…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Zhanzhan Cheng , Peng Zhang , Can Li , Qiao Liang , Yunlu Xu , Pengfei Li , Shiliang Pu , Yi Niu , Fei Wu

Extracting key information from documents represents a large portion of business workloads and therefore offers a high potential for efficiency improvements and process automation. With recent advances in Deep Learning, a plethora of Deep…

Information Retrieval · Computer Science 2025-07-21 Alexander Michael Rombach , Peter Fettke

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

Optical Character Recognition (OCR), the task of extracting textual information from scanned documents is a vital and broadly used technology for digitizing and indexing physical documents. Existing technologies perform well for clean…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Daniel Rotman , Ophir Azulai , Inbar Shapira , Yevgeny Burshtein , Udi Barzelay

Data quality is a significant issue for any application that requests for analytics to support decision making. It becomes very important when we focus on Internet of Things (IoT) where numerous devices can interact to exchange and process…

Machine Learning · Computer Science 2020-07-30 Anna Karanika , Panagiotis Oikonomou , Kostas Kolomvatsos , Christos Anagnostopoulos

Successful Artificial Intelligence systems often require numerous labeled data to extract information from document images. In this paper, we investigate the problem of improving the performance of Artificial Intelligence systems in…

Information Retrieval · Computer Science 2022-09-27 Bao-Sinh Nguyen , Dung Tien Le , Hieu M. Vu , Tuan Anh D. Nguyen , Minh-Tien Nguyen , Hung Le

Unstructured data, in the form of text, images, video, and audio, is produced at exponentially higher rates. In tandem, machine learning (ML) methods have become increasingly powerful at analyzing unstructured data. Modern ML methods can…

Databases · Computer Science 2025-11-06 Daniel Kang

This formative study investigates the impact of data quality on AI-assisted data visualizations, focusing on how uncleaned datasets influence the outcomes of these tools. By generating visualizations from datasets with inherent quality…

Human-Computer Interaction · Computer Science 2024-09-12 Rania Saber , Anna Fariha

The abundance of the data in the Internet facilitates the improvement of extraction and processing tools. The trend in the open data publishing encourages the adoption of structured formats like CSV and RDF. However, there is still a…

Information Retrieval · Computer Science 2016-08-08 Mikhail Galkin , Dmitry Mouromtsev , Sören Auer

The extraction of relevant data from Electronic Health Records (EHRs) is crucial to identifying symptoms and automating epidemiological surveillance processes. By harnessing the vast amount of unstructured text in EHRs, we can detect…

Computation and Language · Computer Science 2025-02-10 Juliano Genari , Guilherme Tegoni Goedert

Big data analysis has become an active area of study with the growth of machine learning techniques. To properly analyze data, it is important to maintain high-quality data. Thus, research on data cleaning is also important. It is difficult…

Databases · Computer Science 2019-10-25 Toshiyuki Shimizu , Hiroki Omori , Masatoshi Yoshikawa