Foundations of intelligent systems 23rd International Symposium, ISMIS 2017, Warsaw, Poland, June 26-29, 2017 : proceedings - Kryszkiewicz, Marzena; Appice, Annalisa; Ślęzak, Dominik 1972-; Rybiński, Henryk; Skowron, Andrzej 1943-; Raś, Zbigniew W. 1947- (Springer, 2017)