Rough Sets and Current Trends in Computing 8th International Conference, RSCTC 2012, Chengdu, China, August 17-20, 2012.Proceedings - Yao, JingTao; Yang, Yan; Słowiński, Roman; Greco, Salvatore; Li, Huaxiong; Mitra, Sushmita; Polkowski, Lech (Springer Berlin Heidelberg : Imprint: Springer, 2012)