Xinyan Zhu received the Ph.D. degree from the State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University. He is currently a Professor with Wuhan University. During the past years, he has published over 100 refereed journal articles and conference papers. His research interests cover spatio-temporal ata modeling and analysis, distributed spatial database, holographic position map and its application, indoor location and navigation,social geographic computing, and public health.