Affiliation: | 1.Fujian Key Laboratory of Sensing and Computing for Smart Cities, School of Informatics, Xiamen University, Xiamen, 361005, China ;2.Computer Engineering College, Jimei University, Xiamen, 361021, China ;3.Departments of Geography and Environmental Management and Systems Design Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada ; |