Antun Balaz, Nenad Vukmirovic, Dusan Vudragovic, and Vladimir Loncar, from the Institute of Physics Belgrade, participated in the SPRUN 3.0 workshop organized at the Faculty of Sciences of the University of Novi Sad on 24th December 2015. The meeting was attended by 20 researchers, educators, and professionals in scientific computing. During the meeting, Antun Balaz presented VI-SEEM project’s objectives, its infrastructure and three main virtual research communities.