Victoria Vysotska

Lviv Polytechnic National University · Department of Information Systems and Networks

Military symbols play a key role in the command and control of military forces. By communicating information that meets basic requirements, situational awareness can be quickly achieved; by its graphical nature, it provides a common operating language that greatly facilitates interaction across cultural and linguistic barriers. With the advent of i...

As a result of the research, one of the approaches to building an intelligent information system based on the recommendation of products to users with a solution to the cold start problem is described and modeled. The conducted research takes into account the advantages and disadvantages of the methods, as well as their compatibility, when combinin...

The article develops a general architectural system of socialization of groups of users with similar interests and functional requirements for it. To process a large part of the information, the system is implemented using the methods of fuzzy text information search and machine learning. thus, N-gram, selection expansion and structured Noisy Chann...

Context. Automation of public opinion research will allow not only to reduce the amount of manual work, but also to obtain time slices of the results without additional efforts. Since direct interaction with respondents should be avoided, public opinion should be analyzed based on the sources of its free expression. Social networks are great for th...

The article develops a technology for finding tweet trends based on clustering, which forms a data stream in the form of short representations of clusters and their popularity for further research of public opinion. The accuracy of their result is affected by the natural language feature of the information flow of tweets. An effective approach to t...

Context. Most research in grammatical and stylistic error correction focuses on error correction in English-language textual content. Thanks to the availability of large data sets, a significant increase in the accuracy of English grammar correction has been achieved. Unfortunately, there are few studies on other languages. Systems for the English...

Citation: Lytvyn, V.; Pukach, P.; Vysotska, V.; Vovk, M.; Kholodna, N. Identification and Correction of Grammatical Errors in Ukrainian Texts Based on Machine Learning Technology. Mathematics 2023, 11, 904. Abstract: A machine learning model for correcting errors in Ukrainian texts has been developed. It was established that the neural network has...

In order to increase the attractiveness of public transport for urban residents, a software product has been created for transport companies that, by visualizing passenger traffic, helps to improve the quality of public transport services provided within the city. The paper analyses existing and current scientific developments and literature source...

Speech recognition involves various models, methods and algorithms for analysing and processing the user’s recorded voice. This allows people to control different systems that support one type of speech recognition. A speech-to-text conversion system is a type of speech recognition that uses spoken data for further processing. It also provides seve...

Virtual reality is an important information technology that allows to achieve significant progress in underserved areas. Immersive multimedia, or virtual reality, is a software-simulated environment that simulates physical presence in the real or imagined world. Innovative applications such as high-tech intelligent systems that correlate with the i...

Context. Paraphrased textual content or rewriting is one of the difficult problems of detecting academic plagiarism. Most plagiarism detection systems are designed to detect common words, sequences of linguistic units, and minor changes, but are unable to detect significant semantic and structural changes. Therefore, most cases of plagiarism using...

The growing complexity of software reflects the trend of mobility and changeability of business processes in our increasingly interconnected world. The change in the business process entails the difference in the supporting software, which should updated quickly and efficiently. Existing software architectures and approaches to design cannot provid...

The problems that occurred during decision-making and supported by the stochastic game model with the environment are investigated and analysed. A method of adaptive choice of solutions based on stimulatory learning and application of Boltzmann distribution is developed. The algorithm and software of the decision-making system in the games with the...

The main objective of this article is to create an information system project for socialization by personal interests on the basis of SEO-technologies and methods of machine learning. The main purpose of this information system is to identify the user within the system using neural networks and to select similar users by analysing the user's curren...

It is acknowledged that each person's life, group of people and nation is formed depending on geographical, economic, political, cultural and religious conditions. Lifestyle is formed as a result of daily repetition and consists of the following factors: nutrition, exercise, the presence of bad habits, moral and spiritual development, and so on. In...

Context. The socialization of individuals with common interests is caused by the need of most people to simplify some of the moments of life by reducing the time for their implementation. With the rapid growth of information, the human workload in society and the recent epidemics of the world, people are becoming isolated from the opportunity to co...

People value today's life more than ever. We have one in a million people who need listening or editing, and they need a silent emergency call. The digital technologies we use now, we see more and more and more popular in this field of health, also represent new unique tools, which allow being convinced of the interests and be fresh in other branch...

The object of research is the process of socialization of individuals, because nowadays the task of socialization is very important and all modern social networks try to optimize and automate the socialization of various users using all popular modern technologies such as neural networks and user text analysis algorithms. The subject matter of the...

На сьогодення соціалізація особистостей за спільними інтересами є надзвичайно важливим процесом під час ізоляції людей із-за подовженості світової пандемії. Паралельно більшість людей завжди намагаються спростити та автоматизувати всі основні життєві процеси, які зазвичай займають багато вільного часу. Це ж стосується і процесу соціалізації особист...

Context. This article describes how to solve the game problem of assigning staff to work on projects based on an ontological approach. The essence of the problem is this. There is a need to create teams to carry out several projects. Each project is defined by a set of necessary ontological knowledge. To implement projects, managers invite qualifie...

The development of the infosphere is accompanied by a proportional increase in the amount of personalized information and the threats of unauthorized access to it. This confrontation is especially acute when it comes to the resources of information systems for critical use (ISCU), unauthorized access to which can cause significant material or human...

An information system for recording offenses based on cloud technologies is designed and developed. An overview of the current research situation was conducted, and the future bot's fundamental properties-convenience and security-were identified. The use of Telegram represents all these features. We considered systems that the police have long used...

Context. Today, the problem of visual simulation of passenger flow in public transport is essential in creating information systems for the development of modern Smart City. In Industry 4.0, it is crucial to develop technologies, means, and tools for implementing a single self-regulatory intelligent data exchange system in the provision of appropri...

Context. Timely and correct analysis of the process of visiting Internet resources, which led to the overall conversion of e-business, is fundamental and relevant for successfully managing the website. Appropriate, accurate traffic analysis, which brings both successful and unsuccessful conversions, will identify the cause of the impact on conversi...

In the era of limited resources and progressive environmental degradation, the circular economy is a practical application of sustainable development. It is an alternative, but also competitive way to achieve economic growth in accordance with the principles of sustainable development. This issue was considered in this paper in the context of the U...

A model of matrix stochastic game for decision making in conditions of uncertainty is developed. A Q-learning method is proposed for solving a stochastic game with a priori unknown payoff matrices. The formulation of the game problem is performed, the Markov recurrent method and the algorithm for its solution are described. The results of computer...

The optimal decision-making task based on the Markovian learning methods is investigated. The stochastic and deterministic learning methods are described. The decision-making problem is formulated. The problem of Markovian learning of an agent making optimal decisions in a deterministic environment was solved on the example of finding the shortest...

In this paper, we propose a method for optimizing the structure of a multilayer neural network based on minimizing nonlinear generalized error, which is based on the principle of minimum length of description. According to this principle, the generalized error is determined by the error in the description of the model and the error in the approxima...

Context. In today’s information society with advanced telecommunications through mobile devices and computer networks, it is important to form a variety of virtual organizations and communities. Such virtual associations of people by professional or other interests are designed to quickly solve various tasks: to perform project tasks, create startu...

Dynamic coordination of multi-agent systems (MAS) strategies under uncertainty based on a stochastic game model is solved. Dynamic coordination is teaching of the system of generating spatially distributed periodic signals. A stochastic game model is built, criteria for dynamic coordination of player strategies are determined, a recurrent method, a...

The content management method is proposed as a stage of its life cycle, which is based on the application of fuzzy logic. This method describes the processes of generating commercial information resources and simplifies content management technology. The article describes the methods and procedures for forming design decisions in the management of...

The article deals with a comparative experimental study of methods of searching for significant keywords of Ukrainian-language content. The approach to the automatic definition of keywords is based on Porter’s stemming of words of the Ukrainian language for the Levenshtein distance, taking into account the possibility of using a thematic dictionary...

Analysis of the specifics and methods of building intelligent systems of information resource processing by classifying them according to the principle and space of functioning, which will distinguish the types of such systems depending on the mathematical support of their functioning;

The article considers the development of a program for predicting areas on the design of the graphical interface, where users’ attention will be greatest. Current methods of improving graphic design in accordance with UX and software for getting UX information are considered. In this project the problem in complexity of creation of the graphic user...

The article discusses the methodology for solving forecasting problems using machine learning methods. The issues of accounting and correct processing of nonlinear non-stationary processes in the problems of modeling and forecasting time series in various fields are considered. The stages and methods of solving machine learning problems are analyze...

Актуальність. Авторифікація авторства тексту є технікою визначення автора тексту, коли неоднозначно, хто її написав. Це корисно, коли декілька людей претендують на авторство однієї публікації або у випадках, коли ніхто не претендує на авторство текстового контенту, наприклад, так звані тролі в соціальних мережах під час інформаційної війни. Складні...

The system providing the automated monitoring of changes in web resources was designed and developed. The entire process is divided into five parts. Each subsequent stage included some parts of the previous one. The practical value of this system resides in the ability to detect, in the shortest possible time, the changes in web-resource. In case,...

In this paper we address the problem of designing an information system for methods and means of commercial distribution of information products using a personalized approach to visitors based on categories and tags for visitors that have interest to these information products. The designed system is the methods and means of reorganization in the o...

Information system for analyzing video stream data is developed, intended for conducting various types of video stream analysis. The optimal tools to develop the system are chosen, which allowed us to create a fast, reliable, optimized and user-friendly system with a comfortable web-based interface for users. The optimal hardware and software requi...

The intelligent system of a smart house, which is designed to create from any house, office, or building a smart room, was created in the overall process. Recent trends in technology development demonstrate that more and more things are being automated around us. Even ordinary things become «smarter» and open a new functional use. This has led to a...

Since the airspace is subordinated to the territories of different states, different authorities, such as Eurocontrol in Europe and FAA in America, etc., an acute need for a product that would provide easy, fast, high-quality flight planning, their proper dissemination, formation of necessary documents, etc. arises. Purpose is to cluster all necess...

Актуальність. Сьогодні більшість корпорацій постійно переосмислює бізнес з точки зору можливостей Інтернет, а самейого доступність, широке охоплення і постійно мінливі потреби користувача. Web-ресурс е-комерції, який забезпечуєзручний для користувача досвід, зокрема, можливість швидко знаходити необхідні згідно його портеб та смаку товари,більше пі...

The paper reports a study into recommendation algorithms and determination of their advantages and disadvantages. The method for developing recommendations based on collaborative filtering such as Content-Based Filtering (CBF), Collaborative Filtering (CF), and hybrid methods of Machine Learning (ML) has been improved. The paper describes the desig...

We have considered a task on designing an intelligent system of commercial distribution of informational products using a personalized approach to visitors based on the categories and tags of content that interests visitors. A general standard architecture of appropriate system has been developed using methods and personalization tools in the Inter...