For citations:
Kozitsin A.S., Afonin S.A., Shachnev D.A. Determining the Thematic Proximity of Scientific Journals and Conferences Using Big Data Technologies. Russian Digital Libraries Journal. 2020;23(3):514-525. (In Russ.) https://doi.org/10.26907/1562-5419-2020-23-3-514-525