Media type: E-Article Title: Web and Big Data: Comparative Research for Social Recommendations on VK Contributor: Tukhvatov, Rustam; Lee, Joo Young imprint: Springer International Publishing, 2017 Published in: Web and Big Data Language: Not determined DOI: 10.1007/978-3-319-69781-9_25 ISSN: 0302-9743; 1611-3349 Origination: Footnote: