TY CONF TI MODERN METHODS FOR DEVELOPING PERSONALIZED RECOMMENDER SYSTEMS KW Recommender systems KW e-commerce KW personalization KW collaborative filtering KW content-based filtering KW hybrid systems KW cold start KW performance evaluation KW MAE KW RMSE KW Precision KW Recall KW F1-measure 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