Smart Health Big Data Analysis and Location Services Engineering Research Center of Jiangsu Province, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
School of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
L. Miao
Smart Health Big Data Analysis and Location Services Engineering Research Center of Jiangsu Province, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
School of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
D. Jiao
Smart Health Big Data Analysis and Location Services Engineering Research Center of Jiangsu Province, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
School of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
Q. Zhong
Smart Health Big Data Analysis and Location Services Engineering Research Center of Jiangsu Province, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
School of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, Nanjing 210023, China