Krzysztof Walczak, PhD, Jakub Flotyński, PhD, and Marcin Krzyszkowski, second year student of Computer Science and Econometrics, specializing in Electronic Business, participated in the international conference The 4rd EuroVR Conference 2017, held at the Laval Virtual Center (Laval, France) on December 12 - 14, 2017. Jakub Flotyński and Marcin Krzyszkowski presented a paper entitled "Semantic Composition of 3D Content Behavior for Explorable Virtual Reality Applications" (authors: Flotyński, J., M. Krzyszkowski, K. Walczak,). Krzysztof Walczak chaired the "Poster - Demos - Exhibit Fast-Track" session. In parallel with the conference on December 12, 2017, the annual assembly of the European association EuroVR took place. The university was represented by Krzysztof Walczak, member of the Executive Committee of the EuroVR association.