Liang Kong received the B.S. degree in Geography Information Science from North China University of Science and Technology, Tangshan, Hebei, China, in 2008, and the M.S. degree in Cartography and Geography Information System from China University of Mining &Technology- Beijing, Beijing, China, in 2011. He is currently working toward the Ph.D. degree with Chengdu University of Technology, Chengdu, China. He is currently a lecturer with the School of Land and Resources, China West Normal University, Nanchong, China. His research interests include GIS, fractal, urban settlements using OpenStreetMap (OSM) and electronic map data.