TY CONF TI RECOMMENDATION SYSTEMS IN E-COMMERCE: ROLE AND DEVELOPMENT TRENDS KW e-commerce KW recommendation systems KW IT products KW collaborative filtering KW personalization KW behavioral analysis KW digital transformation JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Kudinov, I.M. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov