TY CONF TI COMPARISON OF APPROACHES TO MODEL TRAINING ON UNSTRUCTURED DATA KW unstructured data; machine learning; deep learning; supervised learning; unsupervised learning; self supervised learning; transfer learning; large language models; multimodal models; information systems JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Ilyin, E.S. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov