00625naa#a2200169#i#450# EN\RIOR\bibl\124991 20260629074927.1 2409-6024 20260530b2026####ek#y0engy0150####ca RU Detecting early signals of shifts in consumer preferences via topic trend analysis of user reviews on a digital platform Journal article Moscow Publishing Center RIOR 2026 12 с. Journal article local Математическая экономическая теория. 330.42 Chernikov Vladimir Vladimirovich riorpub.com