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Vitalii Kovalchuk, Mykola Sysyn, Majid Movahedi Rad and Szabolcs Fischer
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Ashish T. S. Ireddy and Sergey V. Kovalchuk
The ideology behind process modelling is to visualise lengthy event logs into simple representations interpretable to the end user. Classifying process models as simple or complex is based on criteria that evaluate attributes of models and quantify them ...
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Liubov O. Elkhovskaya, Alexander D. Kshenin, Marina A. Balakhontceva, Mikhail V. Ionov and Sergey V. Kovalchuk
Within process mining, discovery techniques make it possible to construct business process models automatically from event logs. However, results often do not achieve a balance between model complexity and fitting accuracy, establishing a need for manual...
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Oleh Zachko, Dmytro Kobylkin, Oleh Kovalchuk, Viacheslav Markov
Pág. 49 - 56
The subject of the study is the personnel management information system. Infrastructure design processes of the framework model of complex socio-technical systems for project management and human resource management programs, formation of a database of m...
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Josyp Luchko,Vitalii Kovalchuk,Ivan Kravets,Oleksiy Gajda,Arthur Onyshchenko
Pág. 6 - 13
The technical condition of the railroad track subgrade has been analyzed, as well as the issues related to ensuring its strength and stability when exposed to floodwaters and when the track's sections are overmoistened during operation. As a result, it h...
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Gennadii Kochetov,Oleksandr Kovalchuk,Dmitry Samchenko
Pág. 6 - 13
A study of the products of ferritization processing of galvanic waste: sludge and spent process solutions is carried out. As a result of experiments on dynamic leaching of heavy metal ions, the immobilization properties of the sludge, obtained at differe...
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Alina Tkachenko,Ivan Syrokhman,Yulia Basova,Anna Kobischan,Anna Artemenko,Khrystyna Kovalchuk,Olena Kalashnyk,Mariia Katruk,Roman Zakharchyn,Volodymyr Havrylyshyn
Pág. 66 - 74
This paper reports two cake formulations, "Kosmyk" and "Lunik", created by using the principles of the HACCP system, which make it possible to control the safety of devised flour-based products prepared from organic raw materials. The "Kosmyk" cake formu...
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Gennadii Kochetov,Tatiana Prikhna,Dmitry Samchenko,Oleksandr Kovalchuk
Pág. 6 - 14
This paper considers the prospect of improving the level of environmental safety of industrial enterprises resulting from the implementation of a resource-saving technology for processing the wastes of galvanic production by a ferritization method using ...
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Pavlo Krivenko,Volodymyr Gots,Oleh Petropavlovskyi,Igor Rudenko,Oleksandr Konstantynovskyi,Artem Kovalchuk
Pág. 24 - 32
The essence of the problem related to proper deformations in alkali-activated cements (AAC) complicated with high content of gel-like hydrate formations was analyzed. Cement types diametrically opposite in their compositions and, accordingly, in the cont...
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Oleksandr Kovalchuk,Oleksandr Gelevera,Vasyl Ivanychko
Pág. 33 - 40
This paper reports results from comparative testing the reaction "alkali ? active silica" in traditional Portland cement and alkaline Portland cement with the addition of metakaolin. The research is based on studying the process of structure formation in...
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