TY CONF TI THE ALGORITHM OF INTELLIGENT FORECASTING OF OFFICE EXPENSES BASED ON THE ANALYSIS OF EMPLOYEE BEHAVIOR AND EXTERNAL FACTORS KW predictive analytics KW consumption forecasting KW machine learning KW cost management KW office expenses KW gradient boosting KW LSTM KW corporate information systems KW inventory optimization KW intelligent algorithms JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Lyukov, A.A. AU Tyunina, A.M. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov