Rough Sets International Joint Conference, IJCRS 2017, Olsztyn, Poland, July 3–7, 2017, Proceedings, Part I - Polkowski, Lech; Yao, Yiyu; Artiemjew, Piotr; Ciucci, Davide; Liu, Dun; Ślęzak, Dominik; Zielosko, Beata (Springer International Publishing : Imprint: Springer, 2017)