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69,183 Results Found

  • Article
  • Open Access
12 Citations
3,823 Views
17 Pages

3 August 2020

The DC-bias monitoring device of a transformer is easily affected by external noise interference, equipment aging, and communication failure, which makes it difficult to guarantee the validity of monitoring data and causes great problems for future d...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
1 Citations
1,004 Views
14 Pages

23 September 2025

In addressing the potential anomalies in wind turbine monitoring data, it is essential to note that a single data source cannot independently ascertain the validity of data. This paper proposes a correlation coupling judgment algorithm designed to ev...

  • Article
  • Open Access
4 Citations
3,949 Views
17 Pages

Indeterminacy of the Diagnosis of Sudden Infant Death Syndrome Leading to Problems with the Validity of Data

  • Ivana Olecká,
  • Martin Dobiáš,
  • Adéla Lemrová,
  • Kateřina Ivanová and ,
  • Tomáš Fürst,
  • Jan Krajsa and
  • Petr Handlos
  • + 2 authors+ 0 author

The validity of infant mortality data is essential in assessing health care quality and in the setting of preventive measures. This study explores different diagnostic procedures used to determine the cause of death across forensic settings and thus...

(This article belongs to the Section Pathology and Molecular Diagnostics)
  • Article
  • Open Access
6 Citations
3,136 Views
14 Pages

3 April 2023

Cluster validity indices (CVIs) for evaluating the result of the optimal number of clusters are critical measures in clustering problems. Most CVIs are designed for typical data-type objects called certain data objects. Certain data objects only have...

(This article belongs to the Topic AI and Data-Driven Advancements in Industry 4.0)
  • Article
  • Open Access
3 Citations
2,248 Views
21 Pages

Compared with traditional anomaly analysis, intelligent connected vehicle (ICV) data validity analysis is faced with a variety of data anomalies, including sensor anomalies, driving behavior anomalies, malicious tampering, and so on, which eventually...

(This article belongs to the Section Electrical and Autonomous Vehicles)
  • Article
  • Open Access
26 Citations
1,441 Views
17 Pages

A Semantic Data Validation Service for Web Applications

  • Shadi Aljawarneh,
  • Faisal Alkhateeb and
  • Eslam Al Maghayreh

An Input validation can be a critical issue. Typically, a little attention is paid to it in a web development project, because overenthusiastic validation can tend to cause failures in the software, and can also break the security upon web applicatio...

  • Article
  • Open Access
13 Citations
3,698 Views
18 Pages

Research on Missing Value Imputation to Improve the Validity of Air Quality Data Evaluation on the Qinghai-Tibetan Plateau

  • Yumeng Wang,
  • Ke Liu,
  • Yuejun He,
  • Qiming Fu and ,
  • Wei Luo,
  • Wentao Li,
  • Xuan Liu,
  • Pengfei Wang and
  • Siyuan Xiao
  • + 4 authors+ 0 author

13 December 2023

In the Qinghai-Tibet Plateau region, operational deficiencies and limited maintenance capacities often impair automatic air quality monitoring stations. This results in frequent data omissions, compromising the reliability of environmental assessment...

(This article belongs to the Section Biosphere/Hydrosphere/Land–Atmosphere Interactions)
  • Article
  • Open Access
1 Citations
3,129 Views
21 Pages

Accurate geospatial data are essential for intelligent transportation systems and automated reporting applications, as location precision directly impacts safety analysis and decision-making. GPS devices are now routinely employed by law enforcement...

(This article belongs to the Section Inventions and Innovation in Design, Modeling and Computing Methods)
  • Article
  • Open Access
30 Citations
11,246 Views
16 Pages

27 January 2022

Data collection and review are the building blocks of academic research regardless of the discipline. The gathered and reviewed data, however, need to be validated in order to obtain accurate information. The Delphi consensus is known as a method for...

  • Article
  • Open Access
2,995 Views
31 Pages

1 September 2025

In the early stages of computer software information system development, requirements errors can lead to software system failure and performance degradation and even cause huge security incidents. Traditional requirements verification methods are ine...

(This article belongs to the Special Issue New Trends in Machine Learning, System and Digital Twins)
  • Article
  • Open Access
5 Citations
3,205 Views
22 Pages

Validation of a Spanish-Language Scale on Data-Driven Decision-Making in Pre-Service Teachers

  • Fabián Sandoval-Ríos,
  • Carola Cabezas-Orellana and
  • Juan Antonio López-Núñez

This study validates a Spanish-language instrument designed to assess self-efficacy, digital competence, and anxiety in data-driven decision-making (DDDM) among pre-service teachers. Based on the 3D-MEA and the Beliefs about Basic ICT Competencies sc...

(This article belongs to the Special Issue Addressing Challenges in Teacher Preparation for Transformative Education)
  • Article
  • Open Access
1 Citations
3,719 Views
16 Pages

Validation and Completion of Initial Data of Hydrocarbon Reservoirs Development Based on 3D Models

  • Dmitry Zavyalov,
  • Stepan Nebaba,
  • Kseniya Zavyalova,
  • Alena Zakharova and
  • Yuliya Rizen

The validation of initial data is an important process to reduce the risk of errors in calculations. The large amount of heterogeneous data in the area of hydrocarbon reservoirs development leads to a significant increasing in complexity and calculat...

  • Article
  • Open Access
3 Citations
2,544 Views
20 Pages

The implementation of valid freight transport simulation models requires an extensive and detailed validation phase for understanding the feasibility of the outputs and the capacity of the structure of the proposed models in representing the real-wor...

(This article belongs to the Section Sustainable Transportation)
  • Review
  • Open Access
185 Views
21 Pages

Machine Learning on Small Experimental Datasets in Manufacturing: A Review of Data Leakage, Grouped Validation, and Uncertainty Quantification

  • Nurgul S. Smakova,
  • Yernar M. Iskakov,
  • Zufar R. Burnayev,
  • Baurzhan N. Zhexenbinov and ,
  • Arman T. Kalyshev,
  • Gulmira A. Karmyssova,
  • Askar S. Makipov and
  • Rysty B. Seksenbayeva
  • + 3 authors+ 0 author

3 November 2026

Machine learning is increasingly used to predict machining and process quality from experimental data, yet such data are typically small, generated by designed experiments, and hierarchically organized, with several measurements taken on the same spe...

(This article belongs to the Special Issue AI and Machine Learning in the Big Data Era: Advanced Algorithms and Real-World Applications)
  • Article
  • Open Access
40 Citations
7,487 Views
16 Pages

Preliminary Data Validation and Reconstruction of Temperature and Precipitation in Central Italy

  • Matteo Gentilucci,
  • Maurizio Barbieri,
  • Peter Burt and
  • Fabrizio D’Aprile

This study provides a unique procedure for validating and reconstructing temperature and precipitation data. Although developed from data in Middle Italy, the validation method is intended to be universal, subject to appropriate calibration according...

  • Article
  • Open Access
726 Views
16 Pages

Artificial Intelligence and Synthetic Data: A Natural Language Processing Protocol for Synthetic Data Augmentation with Human Validation in Sensitive Domains

  • Rafael Sosa-Ramírez,
  • Eloy López-Meneses,
  • Mariana-Daniela González-Zamar and
  • María Belén Morales Cevallos

Research on sensitive human narratives is increasingly constrained by ethical and privacy regulations that limit access to primary data, creating a structural small-data challenge that limits deep computational analysis. To address this limitation, t...

  • Article
  • Open Access
3 Citations
1,516 Views
15 Pages

15 January 2026

The merging of the Internet of Things (IoT) and Artificial Intelligence (AI) advances has intensified challenges related to data authenticity and security. These advancements necessitate a multi-layered security approach to ensure the security, relia...

(This article belongs to the Special Issue Multimedia Data and Network Security)
  • Article
  • Open Access
10 Citations
4,737 Views
22 Pages

11 January 2020

Reference data collected to validate land-cover maps are generally considered free of errors. In practice, however, they contain errors despite best efforts to minimize them. These errors propagate during accuracy assessment and tweak the validation...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
481 Views
19 Pages

18 August 2026

Urban Building Energy Modeling (UBEM) offers a scalable, physics-based method to simulate energy demand at the district level, enabling data-driven district energy demand planning and optimization. However, translating UBEM into a reliable, openly re...

(This article belongs to the Special Issue Efficient Building Energy Systems: Simulation, Optimization and Renewable Energy Integration)
  • Article
  • Open Access
41 Citations
6,247 Views
20 Pages

9 July 2019

Skills in reproducing monthly rainfall over Calabria (southern Italy) have been validated for the Climate Hazards group InfraRed Precipitation with Station data (CHIRPS) satellite data, the E-OBS dataset and 13 Global Climate Model-Regional Climate M...

  • Proceeding Paper
  • Open Access
1,475 Views
7 Pages

Off-Line Data Validation for Water Network Modeling Studies

  • Marcos Quiñones-Grueiro,
  • Lizeth Torres and
  • Cristina Verde

12 November 2019

The success of the analysis and design of a Water Network (WN) is strongly dependent on the veracity of the data and a priori knowledge used in the model calibration of the network. This fact motivates this paper in which an off-line approach to veri...

(This article belongs to the Proceedings of The 4th International Electronic Conference on Water Sciences)
  • Article
  • Open Access
13 Citations
2,910 Views
18 Pages

Data-Driven Selection of Land Product Validation Station Based on Machine Learning

  • Ruoxi Li,
  • Zui Tao,
  • Xiang Zhou,
  • Tingting Lv and ,
  • Jin Wang,
  • Futai Xie and
  • Mingjian Zhai
  • + 2 authors+ 0 author

9 February 2022

Validation is a crucial technique used to strengthen the application capabilities of earthobservation satellite data and solve the quality problems of remote-sensing products. Observing land-surface parameters in the field is one of the key steps of...

(This article belongs to the Section Urban Remote Sensing)
  • Review
  • Open Access
914 Views
22 Pages

Decoding Dental Insurance Claims Data for Oral Health Research and Policy: Challenges, Validation, and Opportunities in Biomedical Informatics—A Scoping Review

  • Deepti Virupakshappa,
  • Rajashekhara Bhari Sharanesha,
  • Alwaleed Abushanan,
  • Sara Alghamdi and ,
  • Maram Alagla and
  • Faisal Alotaibi
  • + 1 author+ 0 author

4 August 2026

Background: Dental insurance claims data are vital for research in oral health, epidemiology, and policy. However, issues like data quality, coding standards, validity, interoperability, and analytical approaches hinder their use. This review outline...

(This article belongs to the Section Computational Biology, Bioinformatics, and Biomedical Data Science)
  • Article
  • Open Access
2 Citations
2,328 Views
20 Pages

12 December 2023

Data validation in cancer registration is a critical operation but is resource-intensive and has traditionally depended on proprietary software. Ontology-based AI is a novel approach utilising machine reasoning based on axioms formally described in d...

(This article belongs to the Special Issue Unlocking the Potential of AI and Big Data in Cancer Research: Advances and Applications)
  • Article
  • Open Access
5 Citations
3,321 Views
15 Pages

8 October 2023

Crowdsourced online food images, when combined with food image recognition technologies, have the potential to offer a cost-effective and scalable solution for the assessment of the restaurant nutrition environment. While previous research has explor...

(This article belongs to the Special Issue Digital Food Literacy, Tailored Nutrition Education and Food Environment)
  • Article
  • Open Access
13 Citations
3,379 Views
10 Pages

Validation of Operational Definition to Identify Patients with Osteoporotic Hip Fractures in Administrative Claims Data

  • Young-Kyun Lee,
  • Jun-Il Yoo,
  • Tae-Young Kim,
  • Yong-Chan Ha and ,
  • Kyung-Hoi Koo,
  • Hangseok Choi,
  • Seung-Mi Lee and
  • Dong-Churl Suh
  • + 3 authors+ 0 author

8 September 2022

As incidences of osteoporotic hip fractures (OHFs) have increased, identifying OHFs has become important to establishing the medical guidelines for their management. This study was conducted to develop an operational definition to identify patients w...

(This article belongs to the Special Issue Health Informatics: The Foundations of Public Health)
  • Article
  • Open Access
58 Citations
6,489 Views
14 Pages

1 July 2019

The validation of significant wave height (SWH) data measured by the Sentinel-3A/3B SAR Altimeter (SRAL) is essential for the application of the data in ocean wave monitoring, forecasting and wave climate studies. Sentinel-3A/3B SWH data are validate...

(This article belongs to the Special Issue Satellite Remote Sensing in Environmental Monitoring)
  • Article
  • Open Access
5 Citations
2,174 Views
21 Pages

Multivariate Validation at Multistation of Distributed Watershed Hydrological Modeling Based on Multisource Data on Chinese Loess Plateau

  • Peiling Liu,
  • Dengfeng Liu,
  • Mohd Yawar Ali Khan,
  • Xudong Zheng and ,
  • Yun Hu,
  • Guanghui Ming and
  • Man Gao
  • + 2 authors+ 0 author

26 June 2024

Earlier, hydrological simulation calibration and validation relied on flow observations at hydrological stations, but multisource observations changed the basin hydrological simulation from single-flow validation to multivariate validation, including...

(This article belongs to the Section Hydrology)
  • Article
  • Open Access
13 Citations
5,063 Views
25 Pages

4 November 2018

Clustering is one of the main tasks of machine learning. Internal clustering validation indexes (CVIs) are used to measure the quality of several clustered partitions to determine the local optimal clustering results in an unsupervised manner, and ca...

  • Article
  • Open Access
6 Citations
4,251 Views
19 Pages

A Prediction Model of Water In Situ Data Change under the Influence of Environmental Variables in Remote Sensing Validation

  • Futai Xie,
  • Zui Tao,
  • Xiang Zhou,
  • Tingting Lv and ,
  • Jin Wang and
  • Ruoxi Li
  • + 1 author+ 0 author

27 December 2020

Validation is an essential process to evaluate the quality of waterbody remote sensing products, and the reliability and effective application of the in situ data of waterbody parameters are an important part of validation. Based on the in situ data...

(This article belongs to the Special Issue Earth Observations in Asia-Oceania)
  • Article
  • Open Access
1,504 Views
31 Pages

SLEDgeHammer: A Frequent Pattern-Based Cluster Validation Index for Categorical Data

  • Roberto Douglas G. de Aquino,
  • Filipe A. N. Verri,
  • Renato Cordeiro de Amorim and
  • Vitor V. Curtis

3 September 2025

Cluster validation for categorical data remains a critical challenge in unsupervised learning, where traditional distance-based indices often fail to capture meaningful structures. This paper introduces SLEDgeHammer (SLEDgeH), an enhanced internal va...

(This article belongs to the Section D: Statistics and Operational Research)
  • Article
  • Open Access
11 Citations
1,735 Views
4 Pages

1 June 2020

Background: Readily available population-based data about cancer recurrence would improve surveillance and research for women of reproductive age. Methods: We randomly selected 200 women from the Alberta Cancer Registry who had received a cancer diag...

  • Article
  • Open Access
175 Views
15 Pages

Background: Prospective bedside data collection in perioperative research is labour-intensive and error-prone. Methods: We describe a workflow for prospective data capture in a 10-bed cardiac surgical intensive care unit: four Google Forms modules wr...

(This article belongs to the Section Clinical Informatics)
  • Review
  • Open Access
25 Views
37 Pages

Exploring Synthetic Data in Financial Analytics: A Bibliometric Review of Generation Methods, Validation Challenges, and Future Directions

  • Alexander Haro-Sarango,
  • Diana Castillo-Martínez,
  • Silvia Cachay-Salcedo,
  • Jessica Saavedra-Vasconez and ,
  • José Campos-Ku,
  • Briseida Sotelo-Castro and
  • Carlos Eduardo Saavedra-Vasconez
  • + 2 authors+ 0 author

Synthetic data generation has become a strategic capability in financial analytics, promising to reconcile the sector’s appetite for data-hungry machine learning with strict privacy, confidentiality, and regulatory constraints. This review prov...

(This article belongs to the Section Mathematics & Computer Science)
  • Article
  • Open Access
77 Citations
6,992 Views
17 Pages

29 June 2020

This study validated wind speed (WS) and significant wave height (SWH) retrievals from the Sentinel-3A/3B and Jason-3 altimeters for the period of data beginning 31 October 2019 (to 18 September 2019 for Jason-3) using moored buoy data and satellite...

(This article belongs to the Special Issue Calibration and Validation of Satellite Altimetry)
  • Article
  • Open Access
4 Citations
3,330 Views
21 Pages

Ensuring the trustworthiness of data used in real-time analytics remains a critical challenge in smart city monitoring and decision-making. This is because the traditional data validation methods are insufficient for handling the dynamic and heteroge...

  • Article
  • Open Access
4 Citations
5,020 Views
14 Pages

5 January 2022

We conducted a systematic survey of COVID-19 endpoint prediction literature to: (a) identify publications that include data that adhere to FAIR (findability, accessibility, interoperability, and reusability) principles and (b) develop and reuse morta...

  • Article
  • Open Access

Gaussian Process-Based Synthetic Data Generation and Multi-Level Validation for Tensile Strength Modeling in FDM Additive Manufacturing

  • Kedar Hiremath,
  • Masuk Abdullah,
  • Kritika Khedkar,
  • Namrata Wasatkar and ,
  • Prashant Anerao and
  • Gábor Balogh
  • + 1 author+ 0 author

13 November 2026

Purpose: This study addresses the small data challenge in additive manufacturing, where destructive tensile testing limits sample size (n = 81), by developing and validating a probabilistic synthetic data generation pipeline. Design, Method, and Appr...

(This article belongs to the Special Issue Explainable Artificial Intelligence for Industrial and Supply Chain Systems)
  • Proceeding Paper
  • Open Access
1 Citations
1,855 Views
9 Pages

31 October 2025

Unmanned aerial vehicles have become essential tools in a wide range of applications. As drone operations grow more complex, the accurate prediction of battery runtime and aerodynamic flight safety risks, particularly those caused by wind, becomes in...

(This article belongs to the Proceedings of The Sustainable Mobility and Transportation Symposium 2025)
  • Article
  • Open Access
5 Citations
4,022 Views
19 Pages

26 February 2021

The problem of consistency of medical data in Hospital Data Management Systems is considered in the context of correctness of medical images stored in a PACS (Picture Archiving and Communication System) and legality of actions authorized users perfor...

(This article belongs to the Special Issue Big Data: Advanced Methods, Interdisciplinary Study and Applications)
  • Article
  • Open Access
486 Views
25 Pages

Open Hydroclimatic Data and Iterative Machine Learning for River Discharge Forecasting in Babahoyo, Ecuador: Benchmarking, Uncertainty, and Operational Limits Without In Situ Validation

  • Rolando Licapa-Redolfo,
  • Alexander Haro-Sarango,
  • Persi Vera-Zelada,
  • Denis Javier Aranguri-Cayetano and ,
  • Roxana Mabel Sempértegui-Rafael,
  • Olegario Cabrera-Cabrera,
  • Edwar Cieza-Sánchez,
  • Martha Huamán-Tanta and
  • Diana Carolina Castillo Martínez
  • + 4 authors+ 0 author

21 August 2026

This study evaluates the potential and limitations of open/model-derived hydroclimatic data for multi-horizon river discharge forecasting in Babahoyo, Ecuador. A quantitative, applied, retrospective longitudinal design used daily data for 2017–...

(This article belongs to the Special Issue Advanced Numerical Modeling Techniques in Meteorology: Exploring the Frontier of Weather Prediction and Data Assimilation)
  • Article
  • Open Access
6 Citations
2,371 Views
15 Pages

Validation of Multisource Altimeter SWH Measurements for Climate Data Analysis in China’s Offshore Waters

  • Jingwei Xu,
  • Huanping Wu,
  • Xiefei Zhi,
  • Nikolay V. Koldunov and ,
  • Xiuzhi Zhang,
  • Ying Xu,
  • Yangyang Zhang,
  • Maohua Guo,
  • Lisha Kong and
  • Klaus Fraedrich
  • + 5 authors+ 0 author

14 June 2024

Climate data derived from long-term, multisource altimeter significant wave height (SWH) measurements are more valuable than those obtained from a single altimeter source. Such data facilitate exploration of long-term air–sea momentum transfer...

(This article belongs to the Special Issue Comprehensive Analysis Based on Observation, Remote Sensing, and Numerical Models to Understand the Meteorological Environment in Arid Areas and Their Surrounding Areas)
  • Technical Note
  • Open Access
10 Citations
3,515 Views
10 Pages

Reference Data Accuracy Impacts Burned Area Product Validation: The Role of the Expert Analyst

  • Magí Franquesa,
  • Armando M. Rodriguez-Montellano,
  • Emilio Chuvieco and
  • Inmaculada Aguado

2 September 2022

Accurate reference data to validate burned area (BA) products are crucial to obtaining reliable accuracy metrics for such products. However, the accuracy of reference data can be affected by numerous factors; hence, we can expect some degree of devia...

(This article belongs to the Special Issue Accuracy Assessment and Validation of Remotely Sensed Data and Product II)
  • Article
  • Open Access
86 Citations
11,258 Views
28 Pages

Large-scale microsimulations are increasingly resourceful tools for analysing in detail citywide effects and alternative scenarios of our policy decisions, approximating the ideal of ‘urban digital twins’. Yet, these models are costly and...

  • Article
  • Open Access
5,543 Views
15 Pages

26 April 2017

This paper developed an approach, the window-based validation set for support vector data description (WVS-SVDD), to determine optimal parameters for support vector data description (SVDD) model to map specific land cover by integrating training and...

(This article belongs to the Special Issue Understanding Land Surface Processes and Ecosystem Changes with Optical and Laser Remote Sensing)
  • Article
  • Open Access
40 Citations
2,640 Views
24 Pages

A New Lomax Extension: Properties, Risk Analysis, Censored and Complete Goodness-of-Fit Validation Testing under Left-Skewed Insurance, Reliability and Medical Data

  • Moustafa Salem,
  • Walid Emam,
  • Yusra Tashkandy,
  • Mohamed Ibrahim and ,
  • M. Masoom Ali,
  • Hafida Goual and
  • Haitham M. Yousof
  • + 2 authors+ 0 author

3 July 2023

The idea of symmetry, which is used to describe the shape of a probability distribution, is a key concept in the theory of probability. The use of symmetric and asymmetric distributions is common in statistical inference, decision-making, and probabi...

(This article belongs to the Special Issue Symmetry in Statistics and Data Science, Volume 2)
  • Article
  • Open Access
1 Citations
644 Views
20 Pages

14 May 2026

Cluster Validity Indices (CVIs) act as a pivotal tool in machine learning for assisting in the determination of the optimal number of clusters. Nevertheless, traditional CVIs often exhibit subpar performance when confronted with the complex character...

  • Review
  • Open Access
117 Citations
16,489 Views
24 Pages

Computational Models for Clinical Applications in Personalized Medicine—Guidelines and Recommendations for Data Integration and Model Validation

  • Catherine Bjerre Collin,
  • Tom Gebhardt,
  • Martin Golebiewski,
  • Tugce Karaderi and ,
  • Maximilian Hillemanns,
  • Faiz Muhammad Khan,
  • Ali Salehzadeh-Yazdi,
  • Marc Kirschner,
  • Sylvia Krobitsch and
  • Lars Kuepfer
  • + 6 authors+ 1 author

26 January 2022

The future development of personalized medicine depends on a vast exchange of data from different sources, as well as harmonized integrative analysis of large-scale clinical health and sample data. Computational-modelling approaches play a key role i...

(This article belongs to the Special Issue Systems Medicine and Bioinformatics)
  • Article
  • Open Access
5 Citations
4,368 Views
25 Pages

11 August 2020

Global land-cover products play an important role in assisting the understanding of climate-related changes and the assessment of progress in the implementation of international initiatives for the mitigation of, and adaption to, climate change. Howe...

  • Article
  • Open Access
407 Views
18 Pages

Validating Type 2 Diabetes Diagnoses Across the Madrid Hospital Network: Evidence for Secondary Use of the CMBD in the European Health Data Space

  • Rafael Gómez-Coronado-Martín,
  • Ana Chacón-García,
  • Ana López-de-Andrés,
  • Miguel A. Salinero-Fort and ,
  • Daniala L. Weir and
  • Carmen de Burgos-Lunar
  • + 1 author+ 0 author

7 October 2026

Background/Objectives: Hospital discharge data are increasingly reused for research and within health data spaces, but their value depends on accurate diagnostic coding. The validity of type 2 diabetes mellitus (T2DM) coding in the Spanish hospital d...

(This article belongs to the Section Epidemiology & Public Health)

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