Part I: System Analysis of Complex Systems.- Cyclic Regularities of the Covid-19 Spread and Vaccination Effect on Its Further Reduction.- Cyber-physical Systems Operation with Guaranteed Survivability and Safety under Conditions of Uncertainty and Multifactor Risks.- System Approach to Control-Oriented Mathematical Modeling of Thermal Processes of Buildings.- Toward the Mentality Accounting in Large Social Systems Models.- The Strategy of Underground Construction Objects Planning Based on Foresight and Cognitive Modelling Methodologies.- Assessing Territories for Urban Underground Objects Using Morphological Analysis-Based Model.- Application of Impulse Process Models with Multirate Sampling in Cognitive Maps of Cryptocurrency for Dynamic Decision Making.- Systemic Approach to Risk Estimation Using DSS.- Experimental Research of Impact of Order of Pairwise Alternative Comparisons upon Credibility of Expert Session Results.- Part II: Computational Intelligence and Intelligent ComputingTechnologies.- Enhancing the Relevance of Information Retrieval in Internet Media and Social Networks in Scenario Planning Tasks.- Breathmonitor: AI Sleep Apnea Mobile Detector.- Structure Optimization and Investigations of the Hybrid GMDH-Neo-fuzzy Neural Networks in Forecasting Problems.- The Method of Deformed Stars as a Population Algorithm for Global Optimization.- Guaranteed Estimation of Solutions to First Order Compatible Linear Systems of Periodic Ordinary Differential Equations with Unknown Right-Hand Sides.- Application of the Theory of Optimal Set Partitioning for Constructing Fuzzy Voronoi Diagrams.- Integrated Approach to Financial Data Analysis, Modeling and Forecasting.- Unranked Fuzzy Logic and Reasoning.- Fractal Analysis and Its Applications in Urban Environment.- Fractal Analysis Usage Areas in Healthcare.- Program Code Protecting Mechanism Based on Obfuscation Tools.