TY CONF TI CONTENT-BASED AND COLLABORATIVE FILTERING AS METHODS FOR BUILDING PERSONALIZED RECOMMENDER SYSTEMS KW recommender systems KW content-based filtering KW collaborative filtering KW personalization KW machine learning KW user experience JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Zlobin, E.A. AU Kravchenko, A.S. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov