1. Częstochowa University of Technology , Department of Intelligent Computer Systems Częstochowa , Poland
2. AGH University of Science and Technology , Institute of Computer Science Kraków , Poland
3. Institute of Information Technologies , University of Social Sciences , ul. Sienkiewicza 9 , Łódź
4. University of Social Science , Management Department Łódź , Poland
5. Tan Trao University , Vietnam