Chernov П. К., & Rabchevskiy Е. А. (2022). Creation of an Integrated Data Model of the Heterogeneous Sources Containing Digital Footprints. BULLETIN OF PERM UNIVERSITY. MATHEMATICS. MECHANICS. COMPUTER SCIENCE, (2 (57), 81–87. https://doi.org/10.17072/1993-0550-2022-2-81-87