TY CONF TI COMPARATIVE ANALYSIS OF INFORMATION SYSTEMS MODELING METHODS AND THEIR APPLICABILITY AT VARIOUS STAGES OF THE INFORMATION SYSTEMS LIFECYCLE KW information systems modeling KW IP lifecycle KW structural approach KW UML KW BPMN KW DFD KW IDEF0 KW comparative analysis JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Cherednikova, O.N. AU Tyunina, A.M. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov