Том 73, № 2 (2023)

Мұқаба

Бүкіл шығарылым

System diagnostics socio-economic processes

Reorganization of the municipal space: Russian reforms against the international practice

Shvetsov A.

Аннотация

Municipalities are the most numerous class of objects of public authority, its grassroots level (local self-government). The spatial organization of this multitude of objects in all countries from time to time under the influence of new political and economic circumstances undergoes restructuring, which results in changes in the number and scale, economic and social potentials of municipalities. When implementing such transformations, economic and political considerations can have contradictory effects, requiring at the same time both enlargement and reduction of the spatial parameters of municipalities. In this regard, there is a theoretical and practical problem of rational – balanced, taking into account economic and political factors – justification (choice) of their sizes. The study is based on the diverse and long-term international experience of reforming the spatial organization of municipalities. In the context of this experience, special attention is paid to the contradictory policy of post-Soviet Russian municipal reforms and counter-reforms.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):3-12
pages 3-12 views

Socio-philosophical analysis of human activity in the surrounding world

Pazyuk Y., Efimova V., Osipov S.

Аннотация

The results of the study of human life activity from the perspective of an interdisciplinary approach are presented in the articled. In the third millennium, the real world is becoming increasingly unpredictable, reflects the growing dialectical inconsistency in the development of local civilizations in the entire world community. Nowadays Russia enters this community as a separate local civilization, distinguished from the others by its unique structure of spiritual and moral original genotype, its unique cultural code, which makes it possible to resist external threats effectively. The authors show the development of a man as a biological and social phenomenon in historical and socio-cultural aspects, from the ancient times to the present day. The conclusion is made that in terms of philosophic confrontation between Western and non-Western world russian society should take just the most healthy, naturally harmonized element of Russian self-consciousness.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):13-25
pages 13-25 views

Forecasting development of economy of Russian regions with taking the new classification of kinds of economic activities into account

Galin D., Sumarokova I.

Аннотация

Macromodels of two federal districts of Russia, constructed by authors, are considered in the article.

These macromodels correspond to the new classification of kinds of economic activities. Results of forecasting development of economy of these regions with using macromodels for the period until 2028 year by two scenarios are presented.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):26-39
pages 26-39 views

Data Mining and Pattern Recognition

Neural network method for character sequence generation for text images training dataset synthesis

Zlobin P., Chernyshova Y., Sheshkus A., Arlazarov V.

Аннотация

The size of the training sample is an important factor in solving optical character recognition tasks. Notably, the majority of the research focuses on increasing the variety of distributions that are applied to the images. Yet the internal structure of the textual information also affects the accuracy of the resulting model. We propose a neural network based text generation method for the creation of a synthetic training dataset of images with annotations, in which we propose to operate with groups of characters – alphabetic clusters, and use the sequence of clusters to predict the following character. The proposed cluster approach allows us to create specific sequences that retain the main properties of the target language, but do not contain a full language model. Since the proposed method works on a small number of clusters, we can use a small training set and a light neural network to generate text. The results of experiments with three open datasets of identity document images demonstrate the effectiveness of our method and the possibility of improving modern results for target fields.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):40-49
pages 40-49 views

Spherical constraints in the triplet loss function

Suloev K., Sheshkus A., Arlazarov V.

Аннотация

Learning with a triplet loss function is one of the most common approaches in metric learning. It finds its application in the tasks of image comparison, identification, coding, etc. However, the triplet loss function has a number of disadvantages that can negatively affect quality, such as the tendency of the network to get stuck in local minima and the formation of trivial triplets. This paper proposes a geometric approach to improve quality based on the introduction of an additional term in the loss function. The trajectory change is achieved by redirecting solved and unsolved images to the surfaces of two concentric hyperspheres of different radii. The use of this method helps to reduce the distances between images of the same class. The proposed method does not prevent the use of other modifications of the loss function. It is experimentally shown that the proposed approach makes it possible to reduce the number of unsolved triplets and the number of distant pairs of images of the same class.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):50-58
pages 50-58 views

Mathematical Modeling

Model-oriented programming system

Kruglov L.

Аннотация

The problem of analysis of complex multiple component systems arises in various areas of science and engineering. Modeling and simulation is often the only available approach to it. Such systems can be described in terms of their structure, behavior and interaction of its components (agents). In this work, a programming system for Turing complete “model-oriented” paradigm is proposed, which is based on the concept of “modelcomponent” – a complex structure with fixed characteristics and behavior and without external methods. The set of model-components is closed under the union operation into a containing structure called “model-complex”. The proposed programming system allows to develop models using declarative approach, requires limited application of other paradigms for agent behavior programming and naturally allows parallel computations.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):59-69
pages 59-69 views

Computer science and information systems: implementation features in education during the pandemic

Reingold L., Klychikhina O., Solovyev A.

Аннотация

Computer technologies and information systems are being developed and implemented in all spheres of social life. These systems are especially important in the face of emergencies. They are used during biological threats like the pandemic. Local infections that emerged at a certain place on the planet rapidly spread all over the world. Information technologies allow create conditions of life. One of the examples is education – because full-time education significantly increases the risks of contagion. This article addresses the challenges emerging due to the accelerated implementation of digital technologies. We demonstrate examples of solutions allowing to effectively provide education at National Research University Higher School of Economics (HSE University). These include engaging students as digital assistants in helping different types of users with their issues, using gamification methods in educational process and other projects. The application of such approaches results in a positive synergistic effect facilitates educational process during the pandemic.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):70-79
pages 70-79 views

Algorithmic solutions problem of filtering in stochastic model of information confrontation

Polyansky I., Loginov K.

Аннотация

In the article, a stochastic model of filtering estimates of information warfare is proposed in the development of models of information warfare in a structured society. The model of information confrontation in a one-group society with a one-stage transition of individuals to adherents is considered for the simplicity of presenting the formed solutions of filtering assessments. If there are several heterogeneous rules for measuring the parameters of the information warfare model, the formed solution is applicable. Algorithmic solutions are based on the model of an ensemble extended Kalman filter. The main stages of the algorithmic implementation of the compiled stochastic model of filtering estimates of information warfare have been clarified. When conducting a series of computational experiments for specific text tasks, the operability and preference of the results obtained were verified.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):80-89
pages 80-89 views

Synthesis control of a nonlinear dynamic object with limited perturbations and using the SDC-method

Brahim L.

Аннотация

The optimal control problem in the differential game problem with restrictions on the control.

The problem of optimal control under the action of bounded perturbations is formulated for a class of dynamical systems whose nonlinear objects are representable as objects with a linear structure and state-dependent parameters. The introduced quadratic functional allows us to consider the problem with the use of methods of differential games with zero sum. The linearity of the structure of the transformed nonlinear system and the quadratic quality functional allow for the synthesis of optimal controls, i.e. parameters of regulators, go from the need to search for solutions to the Bellman-Isaacs equation to an equation of the Riccati type with state-dependent parameters. The synthesized controls provide the SDC-model with the property of asymptotic stability and make it possible to determine the ratio of the constraints imposed on the controls, under which the condition for the existence of a differential game with zero sum is ensured. The main problem of implementing optimal control is related to the problem of finding a solution to the Riccati equation with state-dependent parameters at the rate of operation of the object. To solve this equation, a suboptimal control method with quasi-stationary values of the parameters is proposed. An estimate of the discrepancy between optimal and suboptimal solutions is given. Example will be provided to illustrate the effectiveness and of FRE technique for design of nonlinear systems based feedback controllers.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):90-99
pages 90-99 views

System analysis in medicine and biology

The problem of food ecology: system analysis and IT solution

Potemkina N., Krut’ko V., Khalyavkin A., Markova A.

Аннотация

There is a relationship between human health and the environment. The paper presents the results of a systems analysis of the relationship between individual nutrition, ecology and economics. The possibility of creating and introducing into everyday practice healthy, balanced, full-fledged, preventive and meeting modern environmental requirements diets based on the choice of typical Russian food products is substantiated. The widespread distribution of such diets with the help of network technologies can contribute to solving the problems of sustainable development of nature and society.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):100-110
pages 100-110 views

Retrieving stroke risk factors based on intellectual analysis of electronic health records

Donitova V., Kireev D., Kobrinskii B., Smirnov I., Titova E.

Аннотация

Stroke is the world’s second leading cause of death and the third leading cause of disability and death combined. Risk factors for stroke are potentially manageable so prevention of this disease is possible. Identification of previously unknown modifiable risk factors for stroke or testing the significance of known factors is an urgent task that should be solved based on a retrospective analysis of the electronic health records of patients with this disease. The paper presents an approach to identifying risk factors for acute cerebrovascular accidents from texts of case histories using natural language processing and machine learning methods. The proposed approach made it possible to identify risk factors for stroke and transient ischemic attack in patients of one of the Moscow clinics. The identified factors are consistent with those found in other studies.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):111-122
pages 111-122 views

Risk-Management and Security

Deception solutions in the system of economic security of the bank

Fedotova G., Kapustina Y., Ilyasov R., Qiqige Q.

Аннотация

The work is devoted to an overview of current trends in the development of online banking customer service using remote service technologies. The complication of banking digital platforms has led to the formation of information ecosystems that can satisfy a variety of customer needs. Using the SBER ecosystem as an example, it is shown that today banks not only manage customer accounts, but also integrate with marketplaces to provide various non-financial services. The process of accumulation of colossal arrays of personal and confidential information, financial assets attracts the interest of fraudsters working on the Internet. The statistics of cyber theft and unauthorized access to digital services proves that cyber fraud is constantly expanding and is looking for new tools to hack systems. Therefore, the purpose of the work was to substantiate a new approach to building protection based on the detection of cyber-attacks – deception. The goal set led to the solution of the following tasks: the general trends in the complication of banking digital platforms to entire ecosystems were considered, the statistics of cyber fraud on the Internet and the features of targeted cyber-attacks were studied, a new approach to building a system for protecting digital banking services was proposed.

Proceeding of the Institute for Systems Analysis of the Russian Academy of Science. 2023;73(2):123-132
pages 123-132 views

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