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136   Artículos

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en línea
Kostyantyn Korytchenko,Pavel Krivosheyev,Dmytro Dubinin,Andrii Lisniak,Kostiantyn Afanasenko,Serhii Harbuz,Olga Buskin,Andriy Nikorchuk,Ivan Tsebriuk     Pág. 26 - 31
The paper reports a study into the initiation of detonation in pulse detonation engines. The chosen direction to resolve this issue is the use of detonation tubes with multifocal ignition. We applied two spark discharges as a source of ignition, which ig... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

 
en línea
Panagiotis Moutafis, George Mavrommatis, Michael Vassilakopoulos and Antonio Corral    
Aiming at the problem of spatial query processing in distributed computing systems, the design and implementation of new distributed spatial query algorithms is a current challenge. Apache Spark is a memory-based framework suitable for real-time and batc... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Katie Jin and Sikha Bagui    
Obstructive sleep apnea (OSA), a common form of sleep apnea generally caused by a collapse of the upper respiratory airway, is associated with one of the leading causes of death in adults: hypertension, cardiovascular and cerebrovascular disease. In this... ver más
Revista: Big Data and Cognitive Computing    Formato: Electrónico

 
en línea
Dauren Ayazbayev, Andrey Bogdanchikov, Kamila Orynbekova and Iraklis Varlamis    
This work focuses on determining semantically close words and using semantic similarity in general in order to improve performance in information retrieval tasks. The semantic similarity of words is an important task with many applications from informati... ver más
Revista: Big Data and Cognitive Computing    Formato: Electrónico

 
en línea
Xiaochuang Yao, Guojiang Yu, Guoqing Li, Shuai Yan, Long Zhao and Dehai Zhu    
The advent of the era of big remote sensing data has transformed traditional data management and analysis models, among which visualization analysis has gradually become an effective method, and map tiles for remote sensing data have always played an imp... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Santiago Molina, Ricardo Novella, Josep Gomez-Soriano and Miguel Olcina-Girona    
The increase in the overall global temperature and its subsequent impact on extreme weather events are the most critical consequences of human activity. In this scenario, transportation plays a significant role in greenhouse gas (GHG) emissions, which ar... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Hamish A. S. Reid, Sophie Musset, Daniel F. Ryan, Vincenzo Andretta, Frédéric Auchère, Deborah Baker, Federico Benvenuto, Philippa Browning, Éric Buchlin, Ariadna Calcines Rosario, Steven D. Christe, Alain Jody Corso, Joel Dahlin, Silvia Dalla, Giulio Del Zanna, Carsten Denker, Jaroslav Dudík, Robertus Erdélyi, Ilaria Ermolli, Lyndsay Fletcher, Andrzej Fludra, Lucie M. Green, Mykola Gordovskyy, Salvo L. Guglielmino, Iain Hannah, Richard Harrison, Laura A. Hayes, Andrew R. Inglis, Natasha L. S. Jeffrey, Jana Ka?parová, Graham S. Kerr, Christian Kintziger, Eduard P. Kontar, Säm Krucker, Timo Laitinen, Philippe Laurent, Olivier Limousin, David M. Long, Shane A. Maloney, Paolo Massa, Anna Maria Massone, Sarah Matthews, Tomasz Mrozek, Valery M. Nakariakov, Susanna Parenti, Michele Piana, Vanessa Polito, Melissa Pesce-Rollins, Paolo Romano, Alexis P. Rouillard, Clementina Sasso, Albert Y. Shih, Marek Steslicki, David Orozco Suárez, Luca Teriaca, Meetu Verma, Astrid M. Veronig, Nicole Vilmer, Christian Vocks and Alexander WarmuthaddShow full author listremoveHide full author list    
Particle acceleration is a fundamental process arising in many astrophysical objects, including active galactic nuclei, black holes, neutron stars, gamma-ray bursts, accretion disks, solar and stellar coronae, and planetary magnetospheres. Its ubiquity m... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Tomasz Palacz and Jacek Cieslik    
The paper is part of the research aimed at determining if the vortex flow pancake (VFP) hybrid rocket engine is feasible as green in-space chemical propulsion. The objective of this study is to test an N2O/HDPE VFP hybrid ignited with N2O/C3H8 torch igni... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Federico Ricci, Luca Petrucci and Francesco Mariani    
Currently, machine learning (ML) technologies are widely employed in the automotive field for determining physical quantities thanks to their ability to ensure lower computational costs and faster operations than traditional methods. Within this context,... ver más
Revista: Information    Formato: Electrónico

 
en línea
Jamil Al-Sawwa and Mohammad Almseidin    
With the rapid development of internet technology, the amount of collected or generated data has increased exponentially. The sheer volume, complexity, and unbalanced nature of this data pose a challenge to the scientific community to extract meaningful ... ver más
Revista: Information    Formato: Electrónico

 
en línea
F Marais, H Potgieter, D J Whitefield     Pág. 1
Deursigtige polikristallyne magnesiumaluminaat-spinel is ?n potensiële kandidaat vir die vervanging van die saamgesmelte silikaglas wat in die deursigtige vensters van pantser voertuie en van ruimtevaartuie gebruik word. Hierdie materiaal is goedkoper as... ver más
Revista: South African Journal of Science and Technology    Formato: Electrónico

 
en línea
P.A Golovnyak,K.S. Zaytsev,A.M. Pinchuk     Pág. 94 - 101
Today there is a significant increase in the number of payments made using plastic cards. Banking organizations are forced to analyze huge amounts of data in their work, and therefore software products for processing big data are being put into operation... ver más
Revista: International Journal of Open Information Technologies    Formato: Electrónico

 
en línea
P.A Golovnyak,K.S. Zaytsev,A.M. Pinchuk     Pág. 94 - 101
Today there is a significant increase in the number of payments made using plastic cards. Banking organizations are forced to analyze huge amounts of data in their work, and therefore software products for processing big data are being put into operation... ver más
Revista: International Journal of Open Information Technologies    Formato: Electrónico

 
en línea
Nicholas James, Lee-Yeng Ong and Meng-Chew Leow    
Raspberry Pi (Pi) is a versatile general-purpose embedded computing device that can be used for both machine learning (ML) and deep learning (DL) inference applications such as face detection. This study trials the use of a Pi Spark cluster for distribut... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Sikha Bagui, Mary Walauskis, Robert DeRush, Huyen Praviset and Shaunda Boucugnani    
This paper looks at the impact of changing Spark?s configuration parameters on machine learning algorithms using a large dataset?the UNSW-NB15 dataset. The environmental conditions that will optimize the classification process are studied. To build smart... ver más
Revista: Big Data and Cognitive Computing    Formato: Electrónico

 
en línea
Manal A. Abdel-Fattah, Wael Mohamed and Sayed Abdelgaber    
Currently, the continuous massive growth in the size, variety, and velocity of data is defined as big data. Relational databases have a limited ability to work with big data. Consequently, not only structured query language (NoSQL) databases were utilize... ver más
Revista: Big Data and Cognitive Computing    Formato: Electrónico

 
en línea
Imen Chebbi, Nedra Mellouli, Imed Riadh Farah and Myriam Lamolle    
Big data analysis assumes a significant role in Earth observation using remote sensing images, since the explosion of data images from multiple sensors is used in several fields. The traditional data analysis techniques have different limitations on stor... ver más
Revista: Big Data and Cognitive Computing    Formato: Electrónico

 
en línea
Magdalena Szwaja, Mariusz Chwist, Stanislaw Szwaja and Romualdas Juknelevicius    
Thermal processing (torrefaction, pyrolysis, and gasification), as a technology can provide environmentally friendly use of plastic waste. However, it faces a problem with respect to its by-products. Pyrolysis oil obtained using this technology is seen a... ver más
Revista: Clean Technologies    Formato: Electrónico

 
en línea
Nasim Ahmed, Andre L. C. Barczak, Mohammad A. Rashid and Teo Susnjak    
Big data frameworks play a vital role in storing, processing, and analysing large datasets. Apache Spark has been established as one of the most popular big data engines for its efficiency and reliability. However, one of the significant problems of the ... ver más
Revista: Big Data and Cognitive Computing    Formato: Electrónico

 
en línea
Veronica S. Moertini and Mariskha T. Adithia    
Directed graphs can be prepared from big data containing peoples? interaction information. In these graphs the vertices represent people, while the directed edges denote the interactions among them. The number of interactions at certain intervals can be ... ver más
Revista: Big Data and Cognitive Computing    Formato: Electrónico

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