Advances in Intelligent Systems and Computing III Selected Papers from the International Conference on Computer Science and Information Technologies, CSIT 2018, September 11-14, Lviv, Ukraine - Shakhovska, Natalia; Shakhovska, Natalia; Medykovskyy, Mykola O.; Medykovskyy, Mykola O. (Springer International Publishing : Imprint: Springer, 2019)