1. Department for Information Computer Systems and Control, West Ukrainian National University, 11 Lvivska St, 46009 Ternopil, Ukraine
2. Department of Artificial Intelligence, Lviv Polytechnic National University, Kn. Romana Str., 5, 79905 Lviv, Ukraine
3. Research Unit, West Ukrainian National University, 5a Lvivska St, 46020 Ternopil, Ukraine