TY CONF TI INFORMATION SYSTEM FAULT TOLERANCE MODELING USING GRAPHS AND MACHINE LEARNING KW fault tolerance KW distributed systems KW graph theory KW machine learning KW failure prediction KW integration KW degradation scenarios KW modeling KW operational data KW proactive management JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Shpineva, A.V. AU Tyunina, A.M. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov