00670naa#a2200181#i#450# EN\\bibl\123840 20260625013350.4 2413-2527 20260624b2026####ek#y0engy0150####ca RU Contrastive Self‑Supervised Learning in Transportation Monitoring Systems: A Practical Approach to Early Anomaly Detection Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 8 с. Journal article local Обучение. 004.85 Bozhko Lesya Mikhailovna Konkov Dmitry Alexandrovich itt-pgups.ru