Natalia Kryvinska

Comenius University Bratislava · Department of Information Systems

The Internet of Things has rapidly grown in the past years as emerging technology. Moreover, 5G networks start to offer communication infrastructure for applications of the Industrial Internet of Things (IIoT). However, due to energy limitations of IIoT devices and heterogeneity of 5G networks, managing IIoT networks is a challenging task. One of t...

Due to the rising use of the Internet of Things (IoT), the connectivity of networks increases the risk of Distributed Denial of Service (DDoS) attacks. Decentralized systems commonly used in centralized security systems fail to adequately prevent potential cyber threats in IoT because of the issues of privacy and scaling. The method proposed in thi...

This paper investigates virtual reality (VR) technology which can increase the quality of experience (QoE) on the graphics quality within the gaming environment. The graphics quality affects the VR environment and user experience. To gather relevant data, we conduct a live user experience and compare games with high- and low-quality graphics. The q...

The robust development of the blockchain distributed ledger, the Internet of Things (IoT), and fog computing-enabled connected devices and nodes has changed our lifestyle nowadays. Due to this, the increased rate of device sales and utilization increases the demand for edge computing technology with collaborative procedures. However, there is a wel...

The robust development of the blockchain distributed ledger, the Internet of Things (IoT), and fog computing-enabled connected devices and nodes has changed our lifestyle nowadays. Due to this, the increased rate of device sales and utilization increases the demand for edge computing technology with collaborative procedures. However, there is a wel...

As cardiovascular disorders are prevalent, there is a growing demand for reliable and precise diagnostic methods within this domain. Audio signal-based heart disease detection is a promising area of research that leverages sound signals generated by the heart to identify and diagnose cardiovascular disorders. Machine learning (ML) and deep learning...

The future integration of software-defined network (SDN) with the service-oriented architecture (SOA) paradigm requires new solutions to ensure the quality of service (QoS) according to the users' requirements. The paper presents a user experience-centric approach to traffic engineering and QoS/quality of experience (QoE) support for service-orient...

In a smart home environment, multiple users can access a single smart device simultaneously. Moreover, these multiple users may have conflicting demands at a time; that is, one user’s demands differ from another for the same device based on the role of users and environmental factors. Therefore, existing single-user access control systems cannot ha...

Darknet refers to a significant portion of the internet that is hidden and not indexed by traditional search engines. It is often associated with illicit activities such as the trafficking of illicit goods, such as drugs, weapons, and stolen data. To keep our online cyber spaces safe in this era of rapid technological advancement and global connect...

In the vast majority of cases, the braking process is used to prevent traffic accidents. The effectiveness of this process depends on the design and functionality of vehicle braking systems (presence of anti-lock braking system, emergency braking system, preventive safety systems, etc.) and is limited by the amount of frictional forces in contact o...

Security Intelligence (SI) describes the practice of collecting, standardizing and analysing data generated by networks, applications and other IT infrastructure in real time and using this information to assess and improve the security status of an organization. Security Intelligence involves deploying software and personnel resources to discover...

The object of research in the work is the process of radiation of electromagnetic waves of a resonant waveguide-slot antenna with in-phase excitation of slots. The subject of research is the wave parameters and directional properties of a resonant slotted waveguide antenna with in-phase slot excitation. The existing problem is that it is necessary...

Supply chain management (SCM) plays a pivotal role in the industrial life cycle. On-time delivery is necessary for a successful SCM system. To maintain a safe and secure supply of products, mode of transportation and management is equally important. The Industrial Internet of Things (IIoT) eases tracking and tracing of supplies using sensor devices...

Over time, the amount of textual data has increased drastically, especially due to the publication of articles. As a consequence, there has been a rise in anonymous content. Research is being conducted to determine alternative methods for identifying unknown text authors. To this end, a system has to be developed to accurately determine the author...

With time, numerous online communication platforms have emerged that allow people to express themselves, increasing the dissemination of toxic languages, such as racism, sexual harassment, and other negative behaviors that are not accepted in polite society. As a result, toxic language identification in online communication has emerged as a critica...

The work is dedicated to mathematical modelling of random diffusion flows of admixture particles in a two-phase stratified strip with stochastic disposition of phases and random thickness of inclusion-layers. The study of such models are especially important during the creation of composite layered materials, in the research of the transmission pro...

Nowadays, intensive streams of fuzzy input data need to be processed in real-time for different fields of science and engineering. To solve this problem, a generalized model for the parallel-streaming neural element was developed in this paper. The proposed model allows minimizing hardware costs while providing scalar product and activation functio...

In recent years, new steganographic methods have emerged to hide information in various multimedia files, such as images, videos, audio, text, and more. Such cover files, which are also called media or containers, are freely transmitted via the Internet, so they do not arouse any suspicion. An authorized person who has a secret steganographic key c...

To solve large number of digital signal processing problems, such as on-board radar-location or hydro-acoustic systems, it is necessary to perform discrete trigonometric transforms over intensive data flows in real time with the constraints on size and power consumption. To solve this problem, the hardware implementation in the form of the VLSI has...

Ischemic heart disease (IHD) causes discomfort or irritation in the chest. According to the World Health Organization, coronary heart disease is the major cause of mortality in Pakistan. Accurate model with the highest precision is necessary to avoid fatalities. Previously several models are tried with different attributes to enhance the detection...

With time, textual data is proliferating, primarily through the publications of articles. With this rapid increase in textual data, anonymous content is also increasing. Researchers are searching for alternative strategies to identify the author of an unknown text. There is a need to develop a system to identify the actual author of unknown texts b...

In mobile cloud services, smartphones may depend on IoT-based cloud infrastructure and information storage tools to conduct technical errands, such as quest, information processing, and combined networks. In addition to traditional finding institutions, the smart IoT-cloud often upgrades the normal impromptu structure by treating mobile devices as...

Wearable technology has played an essential role in the Mobile Health (mHealth) sector for diagnosis, treatment, and rehabilitation of numerous diseases and disorders. One such neuro-degenerative disorder is Parkinson’s Disease (PD). It is categorized by motor symptoms that affect a patient’s motor skills and non-motor symptoms that affect the gene...

With the emergence of new digital technologies, a significant surge has been seen in the volumeof multimedia data generated from various smart devices. Several challenges for data analysis have emergedto extract useful information from multimedia data. One such challenge is the early and accurate detectionof anomalies in multimedia data. This study...

Energy-efficient Radio Resource Management (RRM) for 5G and beyond networks has become a key research challenge due to increasing Small Cells (SCs) densities and the high Quality of Experience (QoE) requirements of business users. Ensuring QoE and energy efficiency is essential in mobile networks, but these goals are often opposing and rarely addre...

Deepfake content is created or altered synthetically using artificial intelligence (AI) approaches to appear real. It can include synthesizing audio, video, images, and text. Deepfakes may now produce natural-looking content, making them harder to identify. Much progress has been achieved in identifying video deepfakes in recent years; nevertheless...

The number of road accidents has constantly been increasing recently around the world. As per the national highway traffic safety administration’s investigation, 45% of vehicle crashes are done by a distracted driver right around each. We endeavor to build a precise and robust framework for distinguishing diverted drivers. The existing work of dist...

In Internet of Things (IoT)-based network systems (IoT-net), intrusion detection systems (IDS) play a significant role to maintain patient health records (PHR) in e-healthcare. IoT-net is a massive technology with security threats on the network layer, as it is considered the most common source for communication and data storage platforms. The secu...

In today's globalized world, international competencies and the ability to communicate effectively in global virtual teams are key workplace requirements. To offer university students an opportunity for internationalization at home and simultaneously provide them with the experience of working in virtual project teams, we present a universally appl...

The paper considers improving accuracy of measured parameters and quality factors of reactive components. To increase the accuracy of measurement, circuit diagrams of new measuring transducers for measuring the quality factor of reactive elements for operation in a wide range of frequencies are developed. These measuring transducers provide reducin...

The advent of the internet has brought an era of unprecedented connectivity between networked devices, making one distributed computing, called cloud computing, and popular. This has also resulted in a dire need for remote authentication schemes for transferring files of a sensitive nature, especially health-related information between patients, sm...

The rapidly increasing number of Internet of Things (IoT) devices and Quality of Service (QoS) requirements have made the provisioning of network solutions to meet this demand a major research topic. Providing fast and reliable routing paths based on the QoS requirements of IoT devices is very important task for Industry 4.0. The software-defined n...

The article presents the results of research on the possibilities of using genetic algorithms for solving the multicriteria optimization problem of determining the active components of a wind farm. Optimization is carried out on two parameters: efficiency factor of wind farm use (integrated parameter calculated on the basis of 6 parameters of each...

With the heterogeneity and collaboration of many wireless operators (2G/3G/4G/5G/Wi-Fi), the priority is to effectively manage shared radio resources and ensure transparent user movement, which includes mechanisms such as mobility support, handover, quality of service (QoS), security and pricing. This requires considering the transition from the cu...

A virtual router model with a static and dynamic resource reconfiguration for future internet networking was developed. This technique allows us to create efficient virtual devices with optimal parameters (queue length, queue overflow management discipline, number of serving devices, mode of serving devices) to ensure the required level of quality...

The Internet of Things (IoT) generates huge amount of data at an extremely fast pace. Thus, it is important to classify such data objects into different groups or clusters in order to gain some valuable insights from data. This paper aims to develop a dendrograms-based method for 3D visualization of hierarchical clustering for multidimensional data...

This book addresses the challenges and opportunities of information/data processing and management. It also covers a range of methods, techniques and strategies for making it more efficient, approaches to increasing its usage, and ways to minimize information/data loss while improving customer satisfaction. Information and Communication Technologie...

This book provides solutions to manage information competently in order to increase its business usage. The information/knowledge business is a highly-dynamic evolving industry, and the novel methodologies and practices for the business information processing, as well as application of mathematical models to the business analytics and efficient man...

This book, building on the authors’ previous work, presents new communication and networking technologies, challenges and opportunities of information/data processing and transmission. It also discusses the development of more intelligent and efficient communication technologies, which are an essential part of current day-to-day life. Information a...

This book provides practical knowledge on different aspects of information and knowledge management in businesses. For enterprises/businesses those intend to remain prosperous and prolific, it is critically important to share best practices, ensure efficient information flow across company, capturing shared knowledge centrally, and communicate comp...

In this paper, we developed a new customizable low energy Software Defined Networking (SDN) based Internet of Things (IoT) platform that can be reconfigured according to the requirements of the target IoT applications. Technically, the platform consists of a set of low cost and energy efficient single-board computers, which are interconnected withi...

In the process of the “smart” house systems work, there is a need to process fuzzy input data. The models based on the artificial neural networks are used to process fuzzy input data from the sensors. However, each artificial neural network has a certain advantage and, with a different accuracy, allows one to process different types of data and gen...

An appearance of radiometers and dosimeters on free sale made it possible to provide better radiation safety for citizens. The effects of radiation may not appear all at once. They can manifest themselves in decades to come in future generations, in the form of cancer, genetic mutations, etc. For this reason, we have developed in this paper a micro...

The progressive digitalization is changing the way businesses work and interact. Concepts like Internet of Things, Cloud Computing, Industry 4.0, Service 4.0, Smart Production or Smart Cities are based on systems that are linked to the Internet. The online access to the provided data creates potential to optimize processes and cost reductions, but...

An improved software defects prediction algorithm based on combination of Kohonen map and hierarchical clustering is presented in this paper. The need for software reliability assessment and analysis growths rapidly due to increasing dependence of our day-to-day life on software-controlled devices and systems. Software reliability prediction is the...

A one-consonant group approach to the authorship attribution has been proposed. The approach is based on determining, by the chi-square test, the consonant group in which the difference between the texts by different authors is statistically significant. The developed model determines author-differentiating capability of each consonant group in a r...

The purpose of this paper is to improve the accuracy of solving prediction tasks of the missing IoT data recovery. To achieve this, the authors have developed a new ensemble of neural network tools. It consists of two successive General Regression Neural Network (GRNN) networks and one neural-like structure of the Successive Geometric Transformatio...

The concept of servitization provides major benefits both for the performing company and for the profiting customer. Thus, during the last years many companies were heading for this well-proven direction tempted by expectations, but have been possibly even not aware of some inherent challenges. Since there are some issues even threatening the exist...

This paper proposes a modified architecture of the Long-Term Evolution (LTE) mobile network to provide services for the Internet of Things (IoT). This is achieved by allocating a narrow bandwidth and transferring the scheduling functions from the eNodeB base station to an NB-IoT controller. A method for allocating uplink and downlink resources of t...

Recently, we have witnessed unprecedented use of cloud computing and its services. It is influencing the way software is built, as well as company’ resources such as servers, workstations or generally hardware are used. This paper aims to examine the benefits of cloud usage to support real-time service systems, using the Salesforce platform. First,...

The transition towards Servitization in the IT Business is extremely challenging because IT Enterprises must transform partly or entirely from hardware manufacturers into service providers. Moreover, Servitization does not occur all at once; it is a long and continuous process. Thus, in order to succeed, a company must determine which phase of this...

Building on the authors’ previous work, this book addresses key processes and procedures used in information/data processing and management. Modern methods of business information processing, which draw on artificial intelligence, big data, and cloud-based storage and processing, are opening exciting new opportunities for doing business on the basi...

This book explores various aspects of data engineering and information processing. In this second volume, the authors assess the challenges and opportunities involved in doing business with information. Their contributions on business information processing and management reflect diverse viewpoints – not only technological, but also business and so...

Since a decade researchers of information systems try to generalize descriptions of services and service transactions to enable automatic discovery and matchmaking of services to empower the vision of the digitalization of the service industry. Industry 4.0. is an actual challenge that requires those generic descriptions of services to enable searc...

The Internet of Things (IoT) has emerged as a disruptive technology for the current and future of computing and communication. IoT is characterized by a variety of heterogeneous technologies and devices able to be connected to the Internet. Current and future research and development efforts aim at adding artificial intelligence to IoT systems, ena...

Network Management Products Review

The paper describes the committee of non-iterative artificial intelligence tools for solving the regression task. It is based on the use of high-speed neural-like structures with extended inputs. Such an extension involves the combined use of primary inputs and extended inputs, via RBF. The resulting combination of inputs allows increasing the extr...

In the paper, a new method for solving the multiple linear regression task via a linear polynomial as a constructive formula is proposed. It is based on the use of high-speed SGTM Neural-Like Structure. This linear non-iterative computational intelligence tool is used for identification of polynomial coefficients. As a result of the implementation...

Today, the fast development of the hardware for the Internet of things systems creates conditions for the development of IoT based Services of various purposes. The imperfect systems of collecting, aggregation and the transmission of large volumes of various types of data, fixed by sensors of IoT devices, as well as possible failures of the latter,...

Cyberphysical production systems are an important part of today’s manufacturing process. The ever-growing need of highly optimized, i.e. at the same time flexible and efficient systems, requires the use of not only appropriate machines, but as well a communication framework and data model that is manufacturer independent and scalable. This paper pr...

The paper presents developed by the authors a non-iterative, neural-like framework for filling missing data. This framework applies the high-speed linear neural-like structure using the successive geometrical transformations model. The use of this computing intelligence tool decreases the duration of the training process, compared to known algorith...

An analysis of the existing engineering solutions for a smart public transport system has been carried out. The main drawbacks of modern systems have been shown and the relevance of the development of the smart public transport system with the use of new approaches and up-to-date element base has been proved. The structure of the system based on cl...

The Smart House security subsystem is presented in the paper. The subsystem is based on neural controller that uses an artificial neural network of a multilayer perceptron type, a model based on the Petri nets theory and physical model based on an Arduino microcontroller. The model of artificial neural network is developed using C++ and loaded into...

A new extended-input General Regression Neural Network scheme is proposed. The main objective of such a step was to increase the accuracy of the regression tasks. Such an extension is based on using of the Ito decomposition. This scheme is more appropriate in comparison with existing ones and provides an increase of the prediction accuracy due to t...

For differentiation of phonostatistical structures of authorial styles, a mеthоd of cоmplex anаlysis of differentiation of phonostatistical structures of authorial style has been developed. The method is based on a combination of the three statistical methods: the Student’s t-test, the Kolmogorov-Smirnov’s test and the chi-square test. There is one...

The task of the recovery of incomplete IoT sensed data is considered. A high-performance extended-input neural network, which is constructed using a non-iterative neural-like structure and a Wiener polynomial for its solution, has been applied. Modelling of its work on the data collected by the IoT device was conducted. The research of hyperparamet...

This book discusses processes and procedures in information/data processing and management. The global market is becoming more and more complex with an increased availability of data and information, and as a result doing business with information is becoming more popular, with a significant impact on modern society immensely. This means that there...

The article proposes a new insurance medical cost prediction method. It is based on the piecewise-linear approach using the SGTM neural-like structure. Piecewise-linear approach provides high processing efficiency for large amounts of data, and the SGTM neural-like structure provides high accuracy and high-speed training procedure. The simulation o...

The trend of Servitization has been rising through different industries and has changing them continuously. Due to this, companies undergo major adaptations and transformations. And, an examination of this transition is very important for the accurate enterprise resource planning, as well as business success in general. However, the research on Ser...

The future of the Internet is to be found in Internet of Things (IoT) where every device communicates with others by making simple but intelligent decisions. To leverage the power of IoT, smart devices and objects need to be endowed with intelligent capabilities. Thus, the purpose of this paper is to investigate a selected Artificial Intelligence (...

This book accomplishes an analysis of critical aspects of managerial implications on the business with information. The business dealing with information is spreading in the service market; and, an efficient management of informational processes, in order to perform successful business with them, is now crucial. Besides, economical/business, techno...