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Item 3-D моделиране на фотоволтаичен панел със задвижващ механизъм(Бургаски свободен университет, 2012) Долчинков, РадостинA photovoltaic panel with sun tracker is designed with the use of the computer program Solid Edge. The automated process of designing with this CAD program allows substantial improvement in the quality of design, reduction of development time, reduction in material loss of resources and optimization of the structure and principle of operation.Item AN APPROACH FOR SEA WAVES ENERGY UTILIZATION(Бургаски свободен университет, 2023) Костадинов, Тодор; Сейменлийски, Камен; Долчинков, РадостинПътят към екологична индустрия и намаляване на нивото на въглеродни емисии в атмосферата се разкрива посредством положителното влияние на енергията от възобновяеми източници. Тя също така оказва влияние и от икономическа гледна точка в дългосрочен план, тъй като е получена от природата. Настоящата статия предлага подход, позволяващ използването на морската енергия, която ще окаже най-голямо влияние върху морския транспорт, крайбрежните области и пристанища. Също така се полага и добра основа за повишаване на количеството на произвежданата екологична енергия.Item APPLIED ASPECTS OF OPTIMIZATION OF INVESTMENT PORTFOLIOS OF UNIT INVESTMENT FUNDS(Бургаски свободен университет, 2018) Димов, Сава; Rebelsky, N. M; Smirnov, V. VMutual investment fund „Sberbank Asset management“ according to the rating of Mutual Funds on profitability takes a leading position. Under the management of this company there are four funds: the fund, shares, the MICEX index, and fund „Russian oil“. Funds are managed in accordance with the requirements of Russian legislation to investment funds, the composition and structure of their assets and other requirements. At the same time, the current Russian legislation in the field of investment funds often does not take into account the problems of risk management when forming optimal portfolios in terms of the acceptable ratio of profitability and risk, which leads to lost profits or financial losses of the shareholders of such funds. For the optimal portfolio, you can use the methods of regression analysis and linear programming. In the first case, the study examined the dependence of the variables X and Y, for which the estimated and estimated value of the investment share was taken. In the second case, the investment portfolio was optimized in order to reduce its risk level at a given level of expected returns on two parameters: covariance and diversification of its financial assets using elements of linear programming. Based on the results of the regression analysis, regression equations were obtained for the projected and estimated value of the unit in relation to the retrospective data of four funds: „Balanced“, „Shares“, „Russian Oil“ and „MICEX Index“. This allowed us to calculate the share of each fund in the portfolio, the profitability and risk of the portfolio, using EXCEL. At the same time, the forecast value for 5 years ahead was considered as the value of profitability, and the standard deviation of the yields of assets as a risk. The results of the calculations were as follows: the non-optimization portfolio received has a return of 55.39% per annum with a risk level of 4.83%. The portfolio can be optimized using linear programming methods. The Markovets model was used as an optimizing one, using the built-in Lagrange function. The results of calculations showed that the level decreases 55,39-49,44 = 5,95% and the level of risk is reduced by 4,83-3,17 = 1,66%. The received result of calculations can be considered, as quite satisfactory, as the general level of risk on a portfolio has decreased.Item ASSESSMENT OF THE INVESTMENT RISK(Бургаски свободен университет, 2020) Smirnov, Valery; Antyukhov, Anton; Soloviev, Denis; Койшибеков, КайратInvestments in the stock market are becoming increasingly attractive when taking the key rate reduction into consideration. New opportunities are opening up for Russian investors to increase their capital, and one of those ways is to invest in shares of major international and Russian companies. Throughout the process of portfolio diversification, it is necessary to take into account conglomerates from various economic sectors. This article is devoted to assessing the investment risk of steel companies: how risky it is to invest in Russian steel enterprises in contrast to international corporations.Item BREXIT - НОВ ЕТАП ОТ РАЗВИТИЕТО НА ЕВРОПЕЙСКОТО ИКОНОМИЧЕСКО ПРОСТРАНСТВО(Бургаски свободен университет, 2016) Димов, СаваВ научното изследване се анализират някой нови явления в европейското пространство като Brexit, Bremain и Breeentry. Те се отнасят до проведения референдум за излизане на Великобритания от Европейския съюз . Посочват се чужди и авторови изследвания , които потвърждават защитаваната теза , че те са закономерен резултат от един нов формат на европейска икономическа интеграция.Item Can PR 2.0 be explained?(Бургаски свободен университет, 2012) Попова, ДианаThe paper addresses the issue of PR 2.0 and how it is related to Web 2.0. Analyzed are the factors which have brought about the changes in traditional PR. Focused are the new expectations of businesses and their clients regarding interaction via social media. The main thrust of the paper is the new power of bonding a traditional profession with the latest developments in communication channels.Item CLAUDE: РЕВОЛЮЦИОНИЗИРАНЕ НА ВЗАЕМОДЕЙСТВИЕТО МЕЖДУ ЧОВЕК И ИЗКУСТВЕН ИНТЕЛЕКТ ЧРЕЗ КОМПЮТЪРНО ЗРЕНИЕ(Бургаски Свободен Университет, 2024) Софийков, ДеянClaude AI, developed by Anthropic, is an advanced chatbot introduced in March 2023 and enhanced through several iterations, with Claude 3.5 released in October 2024. By enabling computer vision and control, Claude can autonomously execute tasks traditionally performed by humans, such as clicking, typing, and navigating applications. This innovation holds transformative potential for industries dependent on repetitive tasks, including finance, legal, and customer service. Despite current limitations and ethical considerations, Claude’s capability to integrate directly into digital work environments represents a new paradigm in human-AI collaboration, advancing both efficiency and interactivity.Item DAMAGE INFLUENCE OF PV-MODULES ON THE EFFICIENCY OF THEIR WORK(Бургаски свободен университет, 2018) Лецковска, Силвия; Сейменлийски, Камен; Заеров, Елдар; Симионов, РадославThis paper presents some of the methods for testing photovoltaic modules to detect faults and defects in them. There are results from experimental tests for detecting defects in the modules of the photovoltaic plant installed on the roof of Burgas Free University.Item DATA ANALYTICS И СИСТЕМАТА ORANGE(Бургаски свободен университет, 2019) Орозова, ДаниелаОсновната цел на тази статия е да покаже въздействието на Data Analytics в областта на образователно пространство. Представят се базови въз можности на инструментите за анализи и визуализация на данни на системата Orange. Приложени са редица обучаващи примери за изследователски анализ на данните.Item DIGITAL LEADERSHIP AND CORPORATE CULTURE: WHAT CHALLENGES DO MANAGER ENCOUNTER AND HOW DIGITALITY INFLUENCES LEADERSHIP BEHAVIOUR(Бургаски свободен университет, 2021) Schröder, Diana-MarieThis article presents a study that examines the link between digital leadership and corporate culture. Leading teams remotely pose new challenges for managers. For example, the lack of physical collaboration with employees can be a big impediment. The focus of this research paper is precisely on these challenges. It underlines and proves the relevance of digital leadership from the perspective of remote leadership. The extent to which leadership has changed against the background of digitality and the digital maturity of companies is examined. Digital maturity is clearly identifiable and measurable in a company and can be influenced by the leadership style of leaders and managers of different hierarchical levels within an organization. Using a practical example challenges that leaders and companies face will be verified within this empirical environment. At the same time, a methodology in the form of a workshop-format is introduced. It enables leaders and managers of different hierarchical levels to succeed in working digitally. At the same time an uniform understanding of values will be needed in order to shape a value based corporate culture.Item DIGITAL VALUE CHAINS – A RESEARCH AGENDA(Бургаски свободен университет, 2021) Rueckold, ChristianValue chains have ever been subject to technological change. In recent years, digital technologies have enabled the rise of digital platforms that shaped how value chain players interact with each other whereby platform value chains reveal a specific architecture of a powerful platform core and a surrounding ecosystem of different players that participate in different ways in the value creation process. Most recently, new digital technologies such as Internet of Things and Distributed Ledgers like Blockchain are on the rise. These technologies can enable an interaction of different value chain players without the necessity of an intermediate, e.g., a platform core, which is subject to future research. This paper proposes a research agenda for this topic around three major areas: (1) the creation and maintenance of trust among value chain participants, (2) the way how coordination will happen between different value chain players and (3) which business models might evolve or disappear and how value creation and capture will look like once these digital technologies are utilized in value chains.Item DIGITALISATION IN THE BANKING SECTOR – THE NEED FOR NEW CUSTOMER-CENTRIC BUSINESS MODELS(Бургаски свободен университет, 2021) Bathija, AlwinThis publication is part of a broader examination with regards to digitalisation in the banking sector and the necessity of customer centric business models. The study also considers the importance of perpetual alignment between business models and customer needs to avoid market share losses. This research paper examines at the extent to which digitisation in the banking sector is needed and why customer centricity plays an important role. In terms of methodology, a divergence analysis between banks’ current business models and customer needs will be described which underpins the research question. This article presents recommendations for banks in terms of how to dynamize business models and optimization of channels. However, digitalisation in the banking sector is not only an ongoing trend, but also poses a significant challenge to most institutions. This article picks up on this and presents key challenges as well as opportunities for financial institutions to deal with it.Item EIGENSCHAFTEN VON TETRAGONAL AMORPHEN KOHLENSTOFFSCHICHTEN, DOTIERTE UND UNDOTIERTE(Бургаски свободен университет, 2024) Jan van der Kolk, Gerrit; Dolchinkov, Ivailo; Hieke, Andre; Hurkmans, TonТази статия съдържа преглед на дейностите на IHI Ionbond по разработка за отлагане на тетрахедрални аморфни въглеродни покрития. Те принадлежат към класа на диамантено-подобните въглеродни покрития (DLC), с високо съдържание на sp3 връзки между въглеродните атоми и липсата на водород. Това е свързано с висока твърдост на покритието и значително по-висока устойчивост на температура в сравнение с въглеродни покрития, съдържащи водород.Item Evaluations of the effectiveness of anomaly based intrusion detection systems based on an adaptive knn algorithm(Бургаски свободен университет, 2011) Николова, Евгения; Жечева, ВеселинаThe aim of the present paper is to present some evaluations of the effectiveness of IDS based on the k-Nearest Neighbor algorithm with Jaro and Jaro-Wincler distances, applied as metrics. The evaluation of the represented simulation results indicates the proposed methodology produces reliable and steady results.Item EXPLORING VIRTUAL LEARNING OPPORTUNITIES AT CVT AND APPLYING DIFFERENT DIGITAL PLATFORMS(Бургаски свободен университет, 2023) Русева, ВилянаThe emergence and evolution of digital platforms in the realm of Continuous Vocational Training (CVT) have marked a significant transformation in how professional development is approached and delivered. Platforms such as Coursera, Udemy, EdX, Khan Academy, LinkedIn Learning, Moodle, SAP Litmos, Adobe Captivate Prime, Pluralsight, Codecademy, Skillshare, as well as advanced technologies like Virtual and Augmented Reality tools, and communication tools like Zoom, Microsoft Teams, and WebEx, have collectively redefined the landscape of vocational training. These digital platforms and tools bring forth unparalleled accessibility, allowing individuals from all corners of the globe to access high-quality training irrespective of their geographical location.Item Eвристически аспект на процеса по изграждане и проверка на версии(Бургаски свободен университет, 2014) Павлов, ХристоThe article analyzed and explained the relationship between cogitative activity in the construction and verification of versions in the investigation and heuristic thinking.Item FACTOR ANALYSIS OF PLATINUM AND PALLADIUM PRICES DURING SELECTED PANDEMIC PERIODS(Бургаски свободен университет, 2022) Янева, МарияDuring different time periods, precious metals have been used as a means of payment and trade between economic entities, and some of these metals have also found application in the industrial-production sector. The purpose of the scientific development is to analyze the interrelationship between the factor time and value for the precious metals – platinum and palladium in a time period selected by the author, through regression analyzesItem Gender stereotypes in advertising(Бургаски свободен университет, 2010) Попова, ДиянаThe paper examines some gender stereotypes in advertising which reflect the traditional views of the two genders. Addressed are certain common gender stereotypes across the world. The main thrust of the paper is the power of (gender) advertising.Item Generalized net model of an intuitionistic fuzzy expert system with frame-type data bases and different forms of hypotheses estimations(Бургаски свободен университет, 2010) Атанасов, Красимир; Орозова, ДаниелаSeries of Generalized Net (GN) models were constructed to describe the way of functioning and the results of the work of different types of Expert Systems (ESs) from production or frame-type data bases. The present GN-model represents the functioning and the results of the work of an ES with frame-type data base with intuitionistic fuzzy evaluations of the frames and of the truth-values of the hypotheses.Item IMPLEMENTATION OF NOOSPHERE MANAGEMENT MODEL IN INTERNATIONAL STEEL-PRODUCING CORPORATIONS(Бургаски свободен университет, 2020) Димов, Сава; Nazarov, Igor; Shchekaleva, Valentina; Smirnov, Valery: In this paper are shown calculations of effect of risk valuation of mining companies’ groups.