Słowa kluczowe: energy policy, renewable energy sources, energy security, security threat, network security, firewall, UTM, XTM, project effort estimation, project cost estimation, Delphi, expert, ruleflow, business rule, business process, domain model, remote administration, KVM over IP, VNC, web pages contents recognition, data mining, web scraping, data collection, web pages structure analysis, HTML, compressed sensing, CAN bus protocol, data analysis, CAN analyzer, web page, features extraction, classification, AdaBoost, local area network, data transfer efficiency, Ethernet, Token Ring, FDDI, colorimetric parameters, spectrophotometry, acrylic paints, magnetic phase diagram, rare-earth compounds, Cauchy distribution, goodness-of-fit test, empirical characteristic function, linear positive operators, Bessel function, modulus of continuity, degree of approximation