See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/311432993 Structure and functions of online communities: Network mapping of HIV- relevant groups in vk.com sns. Article · January 2016 CITATION 1 3 authors: Some of the authors of this publication are also working on these related projects: Staying Safe View project Topic modeling and complex system View project Yuri Rykov Nanyang Technological University 6 PUBLICATIONS 11 CITATIONS SEE PROFILE Olessia Koltsova National Research University Higher School of Economics 30 PUBLICATIONS 154 CITATIONS SEE PROFILE Peter Meylakhs National Research University Higher School of Economics, St. Peters… 13 PUBLICATIONS 87 CITATIONS SEE PROFILE All content following this page was uploaded by Yuri Rykov on 04 October 2017. The user has requested enhancement of the downloaded file.