Intelligent Decision Technologies 2019 Proceedings of the 11th KES International Conference on Intelligent Decision Technologies (KES-IDT 2019), Volume 2 - Czarnowski, Ireneusz; Czarnowski, Ireneusz; Howlett, Robert J.; Howlett, Robert J.; Jain, Lakhmi C.; Jain, Lakhmi C. (Springer Singapore : Imprint: Springer, 2019)