The USTC System for Blizzard Challenge 2009. - Heng Lu 002; Zhen-Hua Ling; Ming Lei; Cheng-Cheng Wang; Huan-huan Zhao; Ling-Hui Chen; Yu Hu 003; Li-Rong Dai 001; Ren-Hua Wang (Blizzard Challenge, 2009)

Civil aircraft suppliers selection based on grey target and grey cluster decision method. - Lirong Jian; Huan-huan Zhao; Yong Liu; Jianjun Zhu (SMC, 2014)

Dynamic information aggregation decision-making methods based on variable precision rough set and grey clustering. - Yong Liu 022; Huan-huan Zhao (Grey Syst. Theory Appl., 2014)

Variable precision intuitionistic fuzzy rough set model and applications based on conflict distance. - Yong Liu 022; Yi Lin; Huan-huan Zhao (Expert Syst. J. Knowl. Eng., 2015)