26.12.2023

Vol. 20, No. 3, 2023

INFORMATION TECHNOLOGY AND COMPUTER ENGINEERING

ISSN 1999-9941
e-ISSN 2078-6387

Publisher: VINNYTSIA NATIONAL TECHNICAL UNIVERSITY

11 Articles
36 Authors

Method of the adaptive multilayer information protection on the basis of steganography and cryptography

24.11.2023

Vitalii Lukichov, Yuriy Baryshev*, Natalia Kondratenko, Vadim Malinovskyi

yuriy.baryshev@vntu.edu.ua

  • Keywords steganography, cryptography, cyber security, critical systems, metrics
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-4-11

Development of the ontological model of the knowledge base "Library" based on the protégé environment

24.11.2023

Olexiy Silagin*, Yehor Silagin, Valerii Denysiuk, Alla Denysiuk

avsilagin@vntu.edu.ua

  • Keywords ontological model, library, semantic search, database, Protégé
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-12-21

Method and means of security monitoring in a computer network by SIEM means

24.11.2023

Liudmyla Savytska*, Tatiana Korobeynikova, Oleksandr Volos, Mykola Tarnovskyi

savytska.liudmyla@vntu.edu.ua

  • Keywords SIEM, EDR, NDR, SIEM-EDR-NDR triad, testing, monitoring, log normalization process
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-22-32

Efficiency of computer means for automatic antennas direction in wireless data transmission systems

24.11.2023

Bohdan Bloshchynskyi, Yaroslav Klyatchenko*

k_yaroslav@ukr.net

  • Keywords wireless data transmission systems, microcontroller, auto positioning, antenna pointing, wireless
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-33-40

Methods and means of protecting resources in computer SDN-network

24.11.2023

Liudmyla Savytska*, Tatiana Korobeynikova, Ihor Leontiev, Serhii Bohomolov

savytska.liudmyla@vntu.edu.ua

  • Keywords SDN network, SDN Semantic Model, network operating system interaction model and SDN, network model with flexible resources, computer network
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-41-52

Application of computer systems for designing and 3D printing of a foundry pattern with ventilation channels in its walls

24.11.2023

Volodymyr Doroshenko*, Oleksandr Yanchenko

doro55v@gmail.com

  • Keywords computer systems, 3D technologies, 3D printing, one-time foundry pattern, pattern gasification, foundry production
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-53-58

Analysis of the lossy image compression algorithms

24.11.2023

Oleksii Kavka*, Volodymyr Maidaniuk, Alexander Romaniuk, Yevhen Zavalniuk

oleksii.kavka@vntu.edu.ua

  • Keywords image compression, data compression, chroma subsampling, color quantization, discrete cosine transform, wavelet transform, fractal compression
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-59-64

Asymmetric sentiment analysis of business news in historical data forecasting systems

24.11.2023

Denys Tkachyk, Roman Kvyetnyy*

rkvetny@sprava.net

  • Keywords historical data, business news, sentiment analysis, asymmetry forecasting, fundamental analysis
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-65-75

Development of a mathematical model of the thermal field of an integral structure in the implementation of sensors for biomedical research

24.11.2023

Sergii Pavlov*, Waldemar Wojcik, Roman Holyaka, Alexey Azarov, Larysa Nykyforova, Yang Longyin

psv@vntu.edu.ua

  • Keywords electrothermal modeling, measuring transducers, self-heating of transducers, biomedical devices and systems, express method
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-76-83

Expert bioinformation system for diagnosing forms of acute leukemia based on analysis of biomedical information

24.11.2023

Li Jingiong, Sergii Pavlov*

psv@vntu.edu.ua

  • Keywords acute leukemia, diagnosis and therapy, biomedical image, images of blast and non-blast blood cells
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-84-93

Analysis of promotion of 5G technology in the world and expectations for ukraine

24.11.2023

Mykhailo Lytvynenko, Nataliia Harmash*

garmash.n@ukr.net

  • Keywords 5G technology, mobile networks, data transfer, network speed, bandwidth, frequencies, infrastructure
  • DOI https://doi.org/10.31649/1999-9941-2023-58-3-94-103