Computer Engineering and Technology 21st CCF Conference, NCCET 2017, Xiamen, China, August 16-18, 2017, Revised Selected Papers - Xu, Weixia; Xu, Weixia; Xiao, Liquan; Xiao, Liquan; Li, Jinwen; Li, Jinwen; Zhang, Chengyi; Zhang, Chengyi; Zhu, Zhenzhen; Zhu, Zhenzhen (Springer Singapore : Imprint: Springer, 2018)