1. Department of Computer Engineering, Faculty of Engineering, University of Rijeka, 51000 Rijeka, Croatia
2. Laboratory for Data Mining, Open and Big Data, Centre for Artificial Intelligence and Cybersecurity, University of Rijeka, 51000 Rijeka, Croatia
3. Laboratory for Spatial Intelligence, Krapina University of Applied Sciences, 49000 Krapina, Croatia
4. Department of ICT, Virovitica University of Applied Sciences, 33000 Virovitica, Croatia
5. Department of Naval Architecture and Ocean Engineering, Faculty of Engineering, University of Rijeka, 51000 Rijeka, Croatia
6. Department of Telecommunications, University of Ruse, 7004 Ruse, Bulgaria