Rough Sets, Fuzzy Sets, Data Mining, and Granular Computing 15th International Conference, RSFDGrC 2015, Tianjin, China, November 20-23, 2015, Proceedings - Yao, Yiyu; Hu, Qinghua; Yu, Hong; Grzymala-Busse, Jerzy W. (Springer International Publishing : Imprint: Springer, 2015)