Web Information Systems and Applications 15th International Conference, WISA 2018, Taiyuan, China, September 14-15, 2018, Proceedings - Meng, Xiaofeng; Meng, Xiaofeng; Li, Ruixuan; Li, Ruixuan; Wang, Kanliang; Wang, Kanliang; Niu, Baoning; Niu, Baoning; Wang, Xin; Wang, Xin; Zhao, Gansen; Zhao, Gansen (Springer International Publishing : Imprint: Springer, 2018)