Roman Tsarev

Roman Tsarev
Siberian Federal University · Department of Informatics

PhD

About

87
Publications
29,983
Reads
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159
Citations
Additional affiliations
January 2003 - present
Siberian Federal University
Position
  • Professor (Associate)
Description
  • Courses (lectures and practical classes): • Informatics • Algorithms and Data Structure • Theory of Computing Processes • Software Reliability
January 2003 - present
Siberian Federal University
Position
  • Professor (Associate)
Education
October 1999 - October 2002
Krasnoyarsk State Technical University
Krasnoyarsk State Technical University
Field of study
  • System analysis, control and information processing
September 1994 - June 1999
Krasnoyarsk State Technical University
Field of study
  • Software engineering for computers and automated systems

Publications

Publications (87)
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The paper examines the bank competitiveness influenced by the digitalization of the economy. In the field of finance, digitalization implies the usage of electronic payments and e-commerce along with innovative technologies aimed at providing digital services. This paper aims to assess the digitalization level affecting the general competitiveness...
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The paper studies peculiarities of marketing techniques based on artificial intelligence used in relevant software products. The authors investigate trends in the global marketing industry and reveal problems of capturing customer attention and tailoring commercial offers to specific needs of the audience on the Internet. Competitive advantages of...
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Strengthening financial cooperation between BRICS-Eurasian member-countries is the best solution to mitigate trade wars, unfair competition and worsening of international economic relations. In this paper, we analyze and determine cooperation between BRICS and Eurasian union (EAEU) credit markets, taking into consideration their reasonable interact...
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The results of the development and testing of a method for automated processing of radar and multispectral satellite images of medium spatial resolution for all-weather satellite monitoring of natural and anthropogenic emergencies are presented. The work uses two-polarizing C-band images from Sentinel-1A/B satellites and multispectral images in the...
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This article discusses the method of creating a team for the implementation of IT projects. The authors raise the problem of increasing the export of domestic software, and therefore issues the importance of creating an effective team. The article reveals the main aspects of the acmeological and competence approach for the distribution of roles amo...
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The article describes the method of context-dependent annotation based on the spectral language model for solving problems of emergency monitoring based on information systems. A functional model of the emergency monitoring task in the IDEF0 notation is presented. The task of context-dependent annotation of operational reports as a basis for genera...
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The results of the development and testing of the methodology for automated processing of satellite images of medium spatial resolution in the heat and short-wave IR range are presented. For the specified test areas, digital maps of the Earth’s surface temperature were obtained for the territories where oil refineries and chemical plants are concen...
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The paper is aimed at revealing market acceptance of blockchain technology in the digital economy on the example of bitcoin. The authors study features if cryptocurrencies and the pricing factors of bitcoin in the period of the rising interest of global media in 2016–2017. With the help of regression tools, the authors demonstrate the interconnecti...
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The paper is devoted to the study of the properties of cryptocurrency similar to the properties of money by the example of the analysis of bitcoin price determinants. The authors simulate the market price of bitcoin to establish the interconnection of the bitcoin exchange rate with the demand factors for world reserve currencies using regression an...
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Electronic insurance is one of the most dynamic segments of the financial sector in various countries. E-commerce tools allow standardizing processes, reducing transaction costs and scaling up the provision of services. The authors of the paper investigate the possibility of improving the institutions of compulsory motor third-party liability insur...
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Fast-growing companies or “gazelles” are dynamically developing firms with annual growth rates above 20%. In many developing countries, they are one of the most important drivers of economic development, provide up to 5080% of job growth, and are also “pioneers” of new market niches, including high-tech ones. The authors of the paper study the sect...
Conference Paper
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A modern passenger multirole boat (MPMB) is designed to serve specific requirements and missions but when it comes to pleasure crafts it has to dispose certain functional characteristics with a specific hull weight distribution, while having certain stability along with aesthetic appeal and stream lined hull. In recent years, there has been greater...
Chapter
The paper considers an algorithm for automated classification of mobile small size objects on multispectral satellite images of submeter spatial resolution using radiometric and geometric features. It ensures recognizing the desired classes of objects with high accuracy regardless of their orientation in the image. The geometric features of the obj...
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This paper discusses an efficient method for the automated detection of anthropogenic changes in urban development with multispectral satellite producing sub-meter resolution imagery. The proposed method efficiency is confirmed with vector layers of detected changes in urban development obtained as a result of processing infrared and visible multid...
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Effective up-skilling teachers who are involved in teaching software engineering should take into account the challenges of teaching practice. Despite the long practice of organizing the teaching of software engineering and computer science in educational organizations in Russia, relevant up-skilling courses are not methodologically supported. The...
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The paper proposes the use of an activity-based approach to acquiring the competencies of software engineering with the help of the author’s model of level acquiring professional competencies. The approach allows the teacher to organize training software engineering so that students acquire needed knowledge, skills and abilities on the basis of a s...
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International trade is an important aspect of business. Exchanging goods on a global scale allows states to produce and export goods that they are more efficient in and import the ones that they are not. As a result, countries reduce the cost of production, price of commodities, and expand their markets. Even so, international trade is a complex pr...
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The paper discusses the effectiveness of crowdfunding institution. Crowdfunding is the result of evolutionary institutional changes in the global venture capital market. The crowdfunding institution has lower transaction costs and allocates risks more evenly in comparison with the institutions of business angel and venture fund. Regression models o...
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This paper covers the issues of improving the efficiency of monitoring and forecasting operations based on the information system. The existing automated information system for monitoring and forecasting emergency situations in the Republic of Altai and Constanta County are considered. In the current study, it is proposed to develop the system by a...
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This article describes a low-cost educational tool dedicated to teaching basic knowledge of solar energy and photovoltaic applications for first-year students at the poly disciplinary faculty of Larache. This experimental teaching method allows students to concretize all the achievements of the theory and the results obtained during the simulations...
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The development of information and communication technologies has reached a level where their use in business and governance is becoming not only expedient but also inevitable. The Internet and ICT have created the technical and technological foundation that can significantly improve the efficiency of public administration, provide businesses and c...
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With a sufficiently high level of degassing works in the mines of a number of coal basins, their effectiveness is constrained by specific properties of the coal seams being mined. In particular, the filtration and reservoir properties of fossil coal differ significantly, in natural conditions, even within one coal seam. The article outlines the pur...
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A brief description and the results of experimental testing of a technique for automated processing and analyzing multispectral satellite images of medium and high spatial resolution with the aim of detecting and assessing the dynamics of large logging areas in the territory of the Republic of Kazakhstan are presented. More than 50 large logging ar...
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Today the information technologies are increasing and improving by leaps and bounds becoming smarter and faster. And artificial intelligence is penetrating deeper and deeper in everyday life. So, artificial intelligence field is becoming more interesting for modern scientists and engineers. Artificial neural networks are used all over the world as...
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In order to implement agricultural products plantation it has been suggested to take the advantage of electrokinetic phenomena with the account of the technology multifactority and relaxation phe-nomena. The issue of energy cost reduction with new approaches, influencing the process of irri-gation of the soil root layer and saving natural resources...
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The article presents the analysis of social potential and the structure of its rural districts. The quality of life of the population in different countries is studied in terms of expenditures and household consumption. The paper considers the level of the pace of the delivery of accommodation units and improvement of housing stock, which establish...
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Software reliability and fault tolerance are in the list of the primary importance tasks to be solved in industrial applications. N-version programming is one of the approaches contributing to the solution. This approach implies the realization of a set of software modules versions. The effectiveness of the approach is obtained by the modules versi...
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The choice of the voting algorithm in N- version programming directly affects the evaluation of the results of N software versions and determines the correct result. The result of the voting algorithm is also the outcome of the N- version software. Therefore, the choice of the voting algorithm is vital. However, many voting algorithms were already...
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Ensuring the reliability of the software has become increasingly complex and challenging. The most important problem is providing failure-free software operation to prevent financial losses or machinery breakdown. It can be solved with N-version programming which requires increased costs due to the use of redundant software components. In this para...
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Software used to digitize manufacturing operations should provide high degree of reliability, since its failure may cause downtime or disruption of the production process and, as a result, financial losses. One of the approaches to improve software reliability is N-version programming where data processing is performed by different functionally equ...
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The article sets the task of syntactical analysis of monomials of context-free languages taking into account the order of application of productions in the process of outputting monomials. An attribute model of the process, which defines the description of the process being modeled as business process models, correlates with the level of context-fr...
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This paper describes a model for railway signals in the context of interlocking. Since the design and construction of the software models shall be obtained in a formal way, the models were created using Petri nets to allow automatic verification and validation. A generic model for railway signals was designed and further utilized for the German rai...
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Mathematical modeling which provides the description of objects and proper organization of control operations in future is an integral stage in the automation of production. One of the approaches to build a mathematical model of an object is to represent nonlinear systems as combinations of inertial and nonlinear inertialess elements. The models th...
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The analysis was completed on the main production factors which determine energy characteristics of an electrically-driven hydraulic roller-bit drilling rig at drilling operations under the condition of the Far North deposit. In addition, the correlation ratio between the parameters and electric energy consumption was analyzed for the DM-H drilling...
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In recent decades, the concept of “fuzzy” control has emerged in engineering practice, including machinery building, when a complex technical object is controlled in conditions of incomplete and / or insufficiently formalized information. Such systems are often characterized by insufficient reliability and degree of initial data formalization. One...
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The article deals with the ways of improving the accuracy of comparison of time scales of frequency and time standards in differential mode as well as the methods and algorithms for the implementation of differential comparisons of time scales of the spatially spaced highly stable o’clock. The accuracy of the location depends on many factors. With...
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The issues of measurement accuracy of coordinates in the short-range navigation system based on pseudosatellites are considered in the article. The analysis of the errors components the of measurement of radio-navigation parameters is given, the values of the geometrical factor are calculated for various options of system constructing
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This paper presents mathematical models describing extended objects with complex configuration used for planning satellite imagery with optoelectronic scanners of submeter spatial resolution. The most efficient spline approximation methods were used for mathematical description of extended objects with complex configuration. The proposed method ens...
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The article discusses the methods for improving the reliability and validity of the GLOSNASS signal. These methods reveal the principles of improving the signal reliability and validity by reducing the noise level from the received signal. The main attention is paid to the calculation of the noise immunity of the receivers under the mutual effect o...
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The article deals with the methods and means of using the inter-satellite measurements on the laser communication lines for high-precision temporary support of the GLONASS system spacecrafts. There is given the justification of the principles of measuring and exchange information among the spacecrafts via the laser navigation and communication line...
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A method for determining the direction to the source of interference without the use of additional antennas is proposed. It provides interference suppression in the direction of the side lobes of the radiation pattern due to additional synthesis of the antenna pattern for the central beams without complicating the calculation algorithm and without...
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This paper discusses the problem of integrating modern methods of forecasting and modeling complex technical objects into the learning process. As an example, the problem of solving a system of ordinary differential equations is considered, which has significant practical application. In particular, solving a system of differential equations can be...
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A method for monitoring attitude and positioning errors when taking satellite imagery of lengthy territories with complex configuration using an ultra-high spatial resolution optical-electronic scanner is described in the article. The results of modeling the system of automatic satellite attitude program control during the process of imagery are pr...
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Modern information and telecommunication technologies allow not only to provide information required for training students in electronic form, they promote changes in educational process. The electronic information educational environment provides the necessary mechanism for implementing student’s individual trajectories of training. Depending on h...
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Engineering Economics and IT management made a lot of progress towards understanding the concept of the Internet of things (IoT). Nevertheless the authors consider that some aspects of IoT project cost management still need to be further developed. At the initial stage of the research the authors were interested in the existing cost estimation appr...
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N-version software is used all over the world as one of the approaches that can provide with the high level of reliability and software fault tolerance. The application of redundant module versions of software allows to obtain a correct result even if there is an error in the separate module versions. However, the program redundancy that can increa...
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Being a technique ensuring the dependability and fault tolerance of software, the N-version programming has proven its effectiveness. A formal definition and some practical experience support the idea that redundancy and diversity are the key points of the N-version software dependability. The implementation of N functionally equivalent versions al...
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The study presents the results of creating simulated satellite imagery of lengthy territories with complex configuration using data from satellites with optical-electronic scanners of ultrahigh spatial resolution. The article attempts to clarify the feasibility of one-orbit imagery of a given lengthy object, taking into account the existing limitat...
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An advanced technique for satellite imagery of lengthy coastlines with complex configuration using Earth remote sensing satellites equipped with optical-electronic scanners characterized by ultrahigh spatial resolution has been developed. It has been proposed to image coastal areas directly in the process of satellite retargeting (i.e., with non-ze...
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Modern automated control systems for spacecrafts are characterized by complex multicomponent architecture. The orbital group of spacecrafts is controlled from the mission control center which receives different types of office and special data. The flows of telemetry data which allow to monitor the condition of a spacecraft take a special place amo...
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The paper considers the problems of ensuring high-level contractual requirements for single and complex reliability indicators of the spacecraft being designed. An original approach is proposed to ensure the quality of batches of electronic devices used to complete the on-board equipment of the spacecraft. The method of experimental quantitative es...
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When solving a number of remote sensing problems, there arose a need for fast satellite imagery of arbitrarily-spaced lengthy territories with complex configuration (borders, roads, rivers, coastlines, etc.), The distinctive features of Earth remote sensing satellites equipped with optical-electronic scanners providing sub-meter spatial resolution...
Conference Paper
N-version programming is one of the approach ensuring high reliability and fault-tolerance of software on the basis of program redundancy and diversity. This approach ensures that faults of one of the versions of an N-version software module will not result in malfunction of the module operation process. N-version software realization, as a rule, d...
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In modern digital economy transition to a decentralized Internet allows companies to grow into a multi-billion dollar business on the basis of the simple idea to provide additional services based on distributed technology. The authors of this article believe that transition to concepts of Web 3.0, such as user–generated content, has a significant i...
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This paper proposes an algorithm that assesses the angular orientation of a mobile robot with respect to its referential position or a map of the surrounding space. In the framework of the suggested method, the orientation problem is converted to evaluating a dimensional rotation of the object that is abstracted as a polygon (or a closed polygonal...
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N-version programming is one of the most common techniques which is used to improve the reliability of software by building in fault tolerance, redundancy and decreasing common cause failures. N different equivalent software versions are developed by N different and isolated workgroups by considering the same software specifications. The versions s...
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This paper proposes an algorithm for estimation of mobile robot motion. The geometry of surrounding space is described with range scans (samples of distance measurements) taken by the mobile robot's range sensors. A similar sample of space geometry in any arbitrary preceding moment of time or the environment map can be used as a reference. The sugg...
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A voting algorithm in N-version software is a crucial component that evaluates the execution of each of the N versions and determines the correct result. Obviously, the result of the voting algorithm determines the outcome of the N-version software in general. Thus, the choice of the voting algorithm is a vital issue. A lot of voting algorithms wer...
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Typically, software development processes are time consuming, expensive, and rigorous, particularly for safety-critical applications. Even if guidelines and recommendations are defined by sector-specific functional safety standards, development process may not be completed because of excessive costs or insufficient planning. The V-model is one of t...
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The purpose of this research in educational environment is to improve the quality of the educational process with the help of new information technologies. The paper examines practical issues of digital ecosystems implementation in education on the basis of relational databases, as, from the authors’ point of view, in the organization data are less...
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The optimum solution of the production scheduling problem for manufacturing processes at an enterprise is crucial as it allows one to obtain the required amount of production within a specified time frame. Optimum production schedule can be found using a variety of optimization algorithms or scheduling algorithms. Ant colony optimization is one of...
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The modern level of society development sets higher requirements for education. One of the most important trends in the development of education nowadays is the gamifacation, which allows to achieve high motivation and involvement of students into the educational process. The aim of the work is to test the hypothesis that the use of gaming moments...
Conference Paper
Multi-attribute decision making deals with discrete finite set of alternatives. The solution to the multi-attribute decision making problem is the choice of an alternative from the set of all possible alternatives on the base of usually contradicting attributes. In this paper, a new multi-attribute decision making model is presented. The proposed m...
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Wide use of automatic process control systems and the usage of high-performance systems containing number of computers (processors) give opportunities for creation of high-quality and fast production that increases competitiveness of an enterprise. Exact and fast calculations, control computation, and processing of the big data arrays – all of this...
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The diagnosis of possible faults in railway signaling systems is an important issue to provide safe travel and transportation in railways. Signaling system designers have to consider the possible faults which may occur in railway field components both on the requirements preparation phase and on the development phase of the signaling system softwar...