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488 Results Found

  • Article
  • Open Access
4 Citations
3,294 Views
26 Pages

31 August 2023

Relying on user-generated content narrating individual experiences and personalized contextualization of location-specific realities, this study introduced a novel methodological approach and analysis tool that can aid health informatics in understan...

(This article belongs to the Special Issue Analysis of Healthcare Big Data and Health Informatics)
  • Review
  • Open Access
1 Citations
1,420 Views
32 Pages

17 August 2026

Today, data are no longer confined to numerical values arranged in row-by-column matrices or stored neatly within relational databases. One of the defining characteristics of big data is its high variety, encompassing unstructured and multimodal form...

(This article belongs to the Special Issue Applications of Artificial Intelligence and Data Management in Data Analysis)
  • Study Protocol
  • Open Access
2 Citations
2,976 Views
15 Pages

There has been a growing emphasis on data across various health-related fields, not just in nursing research, due to the increasing volume of unstructured data in electronic health records (EHRs). Natural Language Processing (NLP) provides a solution...

(This article belongs to the Section Health Care Sciences)
  • Feature Paper
  • Article
  • Open Access
210 Views
21 Pages

16 October 2026

Extract, Transform, and Load (ETL) and Online Analytical Processing (OLAP) provide robust mechanisms for integrating structured data and supporting multidimensional analysis. Still, they offer limited support for semantic access to unstructured textu...

(This article belongs to the Special Issue International Database Engineered Applications Symposium, 2nd Edition)
  • Article
  • Open Access
1,774 Views
30 Pages

16 February 2026

Manufacturing companies face significant challenges in leveraging artificial intelligence for equipment management due to high infrastructure costs and limited availability of labeled data for failures. While most manufacturing AI applications focus...

(This article belongs to the Section Applied Industrial Technologies)
  • Article
  • Open Access
16 Citations
3,377 Views
20 Pages

Development and Evaluation of a Natural Language Processing System for Curating a Trans-Thoracic Echocardiogram (TTE) Database

  • Tim Dong,
  • Nicholas Sunderland,
  • Angus Nightingale,
  • Daniel P. Fudulu and ,
  • Jeremy Chan,
  • Ben Zhai,
  • Alberto Freitas,
  • Massimo Caputo,
  • Arnaldo Dimagli and
  • Gianni D. Angelini
  • + 8 authors+ 3 authors

Background: Although electronic health records (EHR) provide useful insights into disease patterns and patient treatment optimisation, their reliance on unstructured data presents a difficulty. Echocardiography reports, which provide extensive pathol...

(This article belongs to the Section Biosignal Processing)
  • Article
  • Open Access
3 Citations
2,721 Views
13 Pages

Unstructured Data Analysis for Risk Management of Electric Power Transmission Lines

  • Lucas H. Pereira,
  • Rafael B. Pereira,
  • Pedro H. S. Prado,
  • Felipe D. Cunha and ,
  • Fabrício Góes,
  • Roger S. Fiusa and
  • Lorrany Fernanda Lopes da Silva
  • + 2 authors+ 0 author

24 May 2022

Risk management of electric power transmission lines requires knowledge from different areas such as the environment, land, investors, regulations, and engineering. Despite the widespread availability of databases for most of those areas, integrating...

  • Article
  • Open Access
2 Citations
3,094 Views
19 Pages

Analyzing the Reliability of Unstructured Data for Urban Rainfall Pattern Studies—A Case Study from Zhengzhou

  • Cuimei Lv,
  • Zhaoying Niu,
  • Minhua Ling,
  • Zening Wu and ,
  • Yang Li and
  • Denghua Yan
  • + 1 author+ 0 author

20 October 2022

Due to the insufficient number and uneven distribution of urban rainfall stations, research on urban flooding disasters is limited. With the development of big data research, many scholars have applied big data to natural disaster research. In this p...

(This article belongs to the Section Urban Water Management)
  • Review
  • Open Access
16 Citations
7,140 Views
23 Pages

Identification and Prediction of Human Behavior through Mining of Unstructured Textual Data

  • Mohammad Reza Davahli,
  • Waldemar Karwowski,
  • Edgar Gutierrez,
  • Krzysztof Fiok and ,
  • Grzegorz Wróbel,
  • Redha Taiar and
  • Tareq Ahram
  • + 2 authors+ 0 author

19 November 2020

The identification of human behavior can provide useful information across multiple job spectra. Recent advances in applying data-based approaches to social sciences have increased the feasibility of modeling human behavior. In particular, studying h...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
1 Citations
1,318 Views
20 Pages

21 October 2025

Cost is a key performance indicator for evaluating the success of architectural construction projects. While previous studies have relied on quantitative data and statistical models to evaluate cost performance, recent advancements in methods have en...

(This article belongs to the Special Issue A Digital Innovation Framework for Construction Management and Built Environment)
  • Article
  • Open Access
853 Views
10 Pages

Estimating the Utility of Using Structured and Unstructured Data for Extracting Incidents of External Hospitalizations from Patient Documents

  • Michael Davenport,
  • Robert Hall,
  • Saraswathi Kappala,
  • Trevor Michelson and ,
  • Robert Mitchell,
  • David Winski,
  • Cynthia Hau,
  • Sarah Leatherman and
  • Frank Meng
  • + 4 authors+ 0 author

12 November 2025

Patients within the US Department of Veterans Affairs (VA) healthcare system have the option of receiving care at facilities external to the VA network. This work presents a method for identifying external hospitalizations among the VA’s patien...

  • Article
  • Open Access
22 Citations
6,844 Views
17 Pages

The most common pattern types for anode structuring, in particular the line, grid, and hexagonal-arranged hole pattern were evaluated in a comparable setup in full-cells and symmetrical cells. The cells with structured electrodes were compared to ref...

(This article belongs to the Section Battery Processing, Manufacturing and Recycling)
  • Article
  • Open Access
1 Citations
1,207 Views
20 Pages

24 September 2025

In this paper, we propose a quantitative evaluation method for navigation safety in coastal waters based on unstructured grids. Initially, a comprehensive analysis was conducted on various factors affecting navigation safety, including natural condit...

(This article belongs to the Special Issue Advancements in Maritime Safety and Risk Assessment)
  • Proceeding Paper
  • Open Access
20 Citations
10,661 Views
9 Pages

17 January 2024

Business and science are using sentiment analysis to extract and assess subjective information from the web, social media, and other sources using NLP, computational linguistics, text analysis, image processing, audio processing, and video processing...

(This article belongs to the Proceedings of Eng. Proc., 2023, RAiSE-2023)
  • Article
  • Open Access
90 Citations
8,572 Views
22 Pages

Research on Unstructured Text Data Mining and Fault Classification Based on RNN-LSTM with Malfunction Inspection Report

  • Daqian Wei,
  • Bo Wang,
  • Gang Lin,
  • Dichen Liu and ,
  • Zhaoyang Dong,
  • Hesen Liu and
  • Yilu Liu
  • + 2 authors+ 0 author

21 March 2017

This paper documents the condition-based maintenance (CBM) of power transformers, the analysis of which relies on two basic data groups: structured (e.g., numeric and categorical) and unstructured (e.g., natural language text narratives) which accoun...

(This article belongs to the Special Issue Optimal and Neural Network Control for Renewables and Electric Power and Energy Systems)
  • Article
  • Open Access
6 Citations
3,369 Views
17 Pages

A Dimensionality Reduction Algorithm for Unstructured Campus Big Data Fusion

  • Zhenfei Wang,
  • Yan Wang,
  • Liying Zhang,
  • Chuchu Zhang and
  • Xingjin Zhang

20 February 2021

Data modeling and dimensionality reduction are important research points in the field of big data. At present, there is no effective model to realize the consistent representation and fusion of different types of data of students in unstructured camp...

  • Article
  • Open Access
2 Citations
1,482 Views
18 Pages

Networked Microgrids (NMGs) have revolutionized the energy landscape by enhancing grid flexibility and decentralizing power generation, playing a pivotal role in the development of smart cities. Distributed Energy Resources (DERs) are a fundamental c...

(This article belongs to the Special Issue Energy Strategies of Smart Cities)
  • Feature Paper
  • Article
  • Open Access
5 Citations
3,877 Views
17 Pages

Currently, most of the transportation systems require changes to intelligent transportation systems, but most of them focus on efficient transportation rather than on improvement in human life. Sometimes, traffic systems are designed for economic val...

(This article belongs to the Special Issue Electronic Solutions for Artificial Intelligence Healthcare)
  • Article
  • Open Access
4 Citations
8,057 Views
15 Pages

The Internet is increasingly a source of data for geographic information systems, as more data becomes linked, available through application programing interfaces (APIs), and more tools become available for handling unstructured web data. While many...

(This article belongs to the Special Issue Web/Cloud Based Mapping and Geoinformation)
  • Article
  • Open Access
2,328 Views
19 Pages

Selection of Grid Road Networks Based on Raster Data

  • Yilang Shen,
  • Yiqing Zhang and
  • Renzhu Li

9 December 2024

In cartography, generalization is a key process used to simplify complex geographic information, making it suitable for display at different scales while maintaining its essential meaning. When representing high-density road networks on a fixed scree...

  • Article
  • Open Access
12 Citations
6,778 Views
22 Pages

A Graph Database Representation of Portuguese Criminal-Related Documents

  • Gonçalo Carnaz,
  • Vitor Beires Nogueira and
  • Mário Antunes

Organizations have been challenged by the need to process an increasing amount of data, both structured and unstructured, retrieved from heterogeneous sources. Criminal investigation police are among these organizations, as they have to manually proc...

  • Article
  • Open Access
5 Citations
3,929 Views
25 Pages

Pneumonia and Pulmonary Thromboembolism Classification Using Electronic Health Records

  • Sinhue Siordia-Millán,
  • Sulema Torres-Ramos,
  • Ricardo A. Salido-Ruiz,
  • Daniel Hernández-Gordillo and ,
  • Tracy Pérez-Gutiérrez and
  • Israel Román-Godínez
  • + 1 author+ 0 author

19 October 2022

Pneumonia and pulmonary thromboembolism (PTE) are both respiratory diseases; their diagnosis is difficult due to their similarity in symptoms, medical subjectivity, and the large amount of information from different sources necessary for a correct di...

(This article belongs to the Special Issue Intelligent Data Analysis for Medical Diagnosis)
  • Article
  • Open Access
10 Citations
3,497 Views
31 Pages

Evaluation of PID-Based Algorithms for UGVs

  • Tiago Gameiro,
  • Tiago Pereira,
  • Hamid Moghadaspoura,
  • Francesco Di Giorgio and ,
  • Carlos Viegas,
  • Nuno Ferreira,
  • João Ferreira,
  • Salviano Soares and
  • António Valente
  • + 4 authors+ 0 author

24 January 2025

The autonomous navigation of unmanned ground vehicles (UGVs) in unstructured environments, such as agricultural or forestry settings, has been the subject of extensive research by various investigators. The navigation capability of a UGV in unstructu...

(This article belongs to the Special Issue Algorithms for PID Controller 2024)
  • Review
  • Open Access
686 Views
54 Pages

23 June 2026

Autonomous driving in unstructured environments faces challenges such as missing road boundaries, terrain variations, random obstacle distributions, and complex vehicle–terrain interactions, making it difficult to achieve safe navigation by rel...

(This article belongs to the Section Vehicle Engineering)
  • Article
  • Open Access
44 Citations
5,851 Views
20 Pages

23 March 2023

The most crucial component of any smart city traffic management system is traffic flow prediction. It can assist a driver in selecting the most efficient route to their destination. The digitalization of closed-circuit television (CCTV) systems has r...

  • Article
  • Open Access
2 Citations
1,940 Views
14 Pages

This paper presents a scalable machine learning pipeline for extracting actionable, product-related insights from user-generated social media comments. Leveraging sentence embeddings from SBERT and unsupervised clustering (k-Means and agglomerative),...

  • Article
  • Open Access
16 Citations
6,320 Views
15 Pages

9 March 2018

This paper presents a modeling study conducted on the central Oregon coast for wave resource characterization, using the unstructured grid Simulating WAve Nearshore (SWAN) model coupled with a nested grid WAVEWATCH III® (WWIII) model. The flexibility...

(This article belongs to the Special Issue Wave and Tidal Energy)
  • Review
  • Open Access
38 Citations
14,351 Views
41 Pages

Modeling and Management Big Data in Databases—A Systematic Literature Review

  • Diana Martinez-Mosquera,
  • Rosa Navarrete and
  • Sergio Lujan-Mora

15 January 2020

The work presented in this paper is motivated by the acknowledgement that a complete and updated systematic literature review (SLR) that consolidates all the research efforts for Big Data modeling and management is missing. This study answers three r...

(This article belongs to the Special Issue Advances in Architectures, Big Data, and Machine Learning Techniques for Complex Internet of Things Systems)
  • Article
  • Open Access
1,844 Views
22 Pages

Concatenation Augmentation for Improving Deep Learning Models in Finance NLP with Scarce Data

  • César Vaca,
  • Jesús-Ángel Román-Gallego,
  • Verónica Barroso-García,
  • Fernando Tejerina and
  • Benjamín Sahelices

Nowadays, financial institutions increasingly leverage artificial intelligence to enhance decision-making and optimize investment strategies. A specific application is the automatic analysis of large volumes of unstructured textual data to extract re...

(This article belongs to the Collection Collaborative Artificial Systems)
  • Article
  • Open Access
3 Citations
2,220 Views
22 Pages

7 June 2025

With the increasing digitalization of maritime transportation, the demand for structured and interoperable data has grown. While the S-100 framework developed by the International Hydrographic Organization (IHO) provides a foundation for standardizin...

(This article belongs to the Special Issue Risk and Safety of Maritime Transportation)
  • Article
  • Open Access
560 Views
39 Pages

TaSC-LLM: A Large Language Model–Enabled Business Intelligence Framework for Topic Analytics in Live-Streaming E-Commerce Systems

  • Geng Peng,
  • Xiaoxi Wang,
  • Ruoshi Zhang,
  • Ying Liu and ,
  • Jian Yao,
  • Jingyan Li and
  • Jie Wu
  • + 2 authors+ 0 author

3 August 2026

In live-streaming e-commerce systems, massive volumes of user-generated danmaku constitute a critical yet underutilized source of business intelligence. However, transforming such unstructured, noisy, and highly context-dependent textual data into st...

(This article belongs to the Special Issue Business Intelligence and Data Analytics in Enterprise Systems)
  • Article
  • Open Access
17 Citations
5,091 Views
24 Pages

Clinical Concept Extraction with Lexical Semantics to Support Automatic Annotation

  • Asim Abbas,
  • Muhammad Afzal,
  • Jamil Hussain,
  • Taqdir Ali and ,
  • Hafiz Syed Muhammad Bilal,
  • Sungyoung Lee and
  • Seokhee Jeon
  • + 2 authors+ 0 author

Extracting clinical concepts, such as problems, diagnosis, and treatment, from unstructured clinical narrative documents enables data-driven approaches such as machine and deep learning to support advanced applications such as clinical decision-suppo...

(This article belongs to the Special Issue AI and Big Data Revolution in Healthcare: Past, Current, and Future)
  • Article
  • Open Access
10 Citations
3,596 Views
15 Pages

Development of Shoulder Muscle-Assistive Wearable Device for Work in Unstructured Postures

  • Kwang-Woo Jeon,
  • Hyun-Joon Chung,
  • Eui-Jung Jung,
  • Jeon-Seong Kang and ,
  • So-Eun Son and
  • Hak Yi
  • + 1 author+ 0 author

9 February 2023

The present study describes the development of a wearable device designed to assist those who work in an unstructured posture. In the manufacturing sector, industrial accidents have been steadily on the rise due to poor work environments and excessiv...

(This article belongs to the Section Robotics, Mechatronics and Intelligent Machines)
  • Feature Paper
  • Article
  • Open Access
14 Citations
16,654 Views
19 Pages

Data-Driven Recognition and Extraction of PDF Document Elements

  • Matthias Hansen,
  • André Pomp,
  • Kemal Erki and
  • Tobias Meisen

In the age of digitalization, the collection and analysis of large amounts of data is becoming increasingly important for enterprises to improve their businesses and processes, such as the introduction of new services or the realization of resource-e...

(This article belongs to the Section Information and Communication Technologies)
  • Article
  • Open Access
43 Citations
3,261 Views
18 Pages

AI for Data Quality Auditing: Detecting Mislabeled Work Zone Crashes Using Large Language Models

  • Shadi Jaradat,
  • Nirmal Acharya,
  • Smitha Shivshankar,
  • Taqwa I. Alhadidi and
  • Mohammad Elhenawy

27 May 2025

Ensuring high data quality in traffic crash datasets is critical for effective safety analysis and policymaking. This study presents an AI-assisted framework for auditing crash data integrity by detecting potentially mislabeled records related to con...

(This article belongs to the Section Databases and Data Structures)
  • Article
  • Open Access
13 Citations
4,480 Views
19 Pages

22 January 2021

In recent years, transportation system safety analysis has become increasingly challenging and highly demanding. Unstructured data contain sufficient information from which inherent interactions can be extracted. Determining how to process and fuse a...

(This article belongs to the Special Issue Risk Assessment in Traffic and Transportation)
  • Review
  • Open Access
2 Citations
4,772 Views
20 Pages

15 December 2025

Unstructured free play among children has declined, while digital play via screens has increased, raising developmental concerns. A recent synthesis of this shift is lacking. To review studies (2020–2025) on the decline of unstructured play and...

  • Case Report
  • Open Access
10 Citations
4,813 Views
24 Pages

Valuable Business Knowledge Asset Discovery by Processing Unstructured Data

  • Maria-Isabel Sanchez-Segura,
  • Roxana González-Cruz,
  • Fuensanta Medina-Dominguez and
  • German-Lenin Dugarte-Peña

11 October 2022

Modern organizations are challenged to enact a digital transformation and improve their competitiveness while contributing to the ninth Sustainable Development Goal (SGD), “Build resilient infrastructure, promote sustainable industrialization a...

  • Article
  • Open Access
4 Citations
4,750 Views
8 Pages

Feasibility of Using Oncology-Specific Electronic Health Record (EHR) Data to Emulate Clinical Trial Eligibility Criteria

  • Thomas W. Wilson,
  • Joseph T. Dye,
  • Sarah Spark,
  • Nicholas J. Robert and ,
  • Janet L. Espirito and
  • E. Susan Amirian
  • + 1 author+ 0 author

We examined eligibility criteria from recent oncology clinical trials to see whether real-world data (RWD) from electronic health records (EHRs) could be used to create external control groups for clinical trials. Trials were identified from the Aggr...

(This article belongs to the Special Issue Feature Papers of Pharmacoepidemiology)
  • Commentary
  • Open Access
4 Citations
1,993 Views
9 Pages

8 October 2024

Objectives: This article focuses on describing the main characteristics of the application of NLP in the qualitative assessment of quality of life, as well as its implications and challenges. Methods: The qualitative methodology allows analysing pati...

  • Article
  • Open Access
8 Citations
3,998 Views
14 Pages

29 April 2021

With the popularization of social networks, the abundance of unstructured data regarding environmental complaints is rapidly increasing. This study established a text mining framework for Chinese civil environmental complaints and analyzed the charac...

(This article belongs to the Special Issue Innovations and Applications in Smart Sustainable Cities and Communities)
  • Article
  • Open Access
1 Citations
902 Views
12 Pages

Structured and Unstructured Physical Activity, Screen Time and Quality of Life in Childhood Cancer Survivors

  • Lauren Ha,
  • Darcy Singleton,
  • Claire E. Wakefield,
  • Richard J. Cohn and ,
  • David Simar and
  • Christina Signorelli
  • + 1 author+ 0 author

26 February 2026

Background/Objectives: Childhood cancer survivors face long-term cancer-related health risks, and daily behaviours, such as physical activity and recreational screen use, may influence their long-term overall wellbeing. Yet, little is known about sur...

(This article belongs to the Special Issue Survivorship Following Childhood, Adolescent, and Young Adult Cancer)
  • Article
  • Open Access
7 Citations
3,965 Views
17 Pages

10 January 2025

Sentiment analysis is a crucial component of text mining and natural language processing (NLP), involving the evaluation and classification of text data based on its emotional tone, typically categorized as positive, negative, or neutral. While signi...

(This article belongs to the Special Issue Application of Machine Learning in Data Science and Computational Intelligence)
  • Article
  • Open Access
3 Citations
2,761 Views
23 Pages

28 March 2026

The detection of corruption-related indicators within unstructured, textual procurement data remains a complex task due to linguistic ambiguity, contextual variation and domain-specific terminology. This study presents a comparative evaluation of thr...

(This article belongs to the Collection Natural Language Processing and Applications: Challenges and Perspectives)
  • Article
  • Open Access
100 Citations
13,264 Views
16 Pages

Computational System to Classify Cyber Crime Offenses using Machine Learning

  • Rupa Ch,
  • Thippa Reddy Gadekallu,
  • Mustufa Haider Abidi and
  • Abdulrahman Al-Ahmari

16 May 2020

Particularly in the last decade, Internet usage has been growing rapidly. However, as the Internet becomes a part of the day to day activities, cybercrime is also on the rise. Cybercrime will cost nearly $6 trillion per annum by 2021 as per the cyber...

  • Article
  • Open Access
1,042 Views
27 Pages

5 May 2026

Mining supply chains are strategically important yet difficult to observe because firm-to-firm relationships are fragmented across unstructured public disclosures. This paper applies a retrieval-augmented large language model (LLM) framework to recon...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
2 Citations
648 Views
20 Pages

Frequent accidents in the construction sector arise from the dynamic coupling of multiple risk factors, while conventional single-factor approaches fail to capture the underlying complexity. Drawing on 702 accident investigation reports, this study d...

(This article belongs to the Section Construction Management, and Computers & Digitization)
  • Article
  • Open Access
3 Citations
1,754 Views
20 Pages

25 October 2025

Analyzing accident reports to absorb past experiences is crucial for construction site safety. Current methods of processing textual accident reports are time-consuming and labor-intensive. This research applied the LDA topic model to analyze constru...

(This article belongs to the Special Issue Digitization and Automation Applied to Construction Safety Management)
  • Article
  • Open Access
32 Citations
5,873 Views
16 Pages

Machine Learning Algorithms to Predict Breast Cancer Recurrence Using Structured and Unstructured Sources from Electronic Health Records

  • Lorena González-Castro,
  • Marcela Chávez,
  • Patrick Duflot,
  • Valérie Bleret and ,
  • Alistair G. Martin,
  • Marc Zobel,
  • Jama Nateqi,
  • Simon Lin,
  • José J. Pazos-Arias and
  • Martín López-Nores
  • + 6 authors+ 1 author

13 May 2023

Recurrence is a critical aspect of breast cancer (BC) that is inexorably tied to mortality. Reuse of healthcare data through Machine Learning (ML) algorithms offers great opportunities to improve the stratification of patients at risk of cancer recur...

(This article belongs to the Section Cancer Informatics and Big Data)
  • Article
  • Open Access
15 Citations
5,631 Views
22 Pages

17 May 2023

With the recent growth of the Internet, the volume of data has also increased. In particular, the increase in the amount of unstructured data makes it difficult to manage data. Classification is also needed in order to be able to use the data for var...

(This article belongs to the Topic Machine and Deep Learning)

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