[IEEE 2016 39th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO) - Opatija, Croatia (2016.5.30-2016.6.3)] 2016 39th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO) - Defining ontology combining concepts of massive multi-player online role playing games and organization of large-scale multi-agent systems