Chuanrong Zhang is currently an associate professor at University of Connecticut and holds a joint appointment with Department of Geography and the Center for Environmental Sciences and Engineering (CESE). She received her PhD degree in GIS from University of Wisconsin, Milwaukee in 2004. She has several years of working experience in computer companies. Her current research interests include Internet GIS, spatial statistics, and applications of these techniques in natural resource and environmental management. Tian Zhao obtained his Ph.D. degree in Computer Science from Purdue University in 2002. He is currently an associate professor at University of Wisconsin, Milwaukee. His research interests include programming languages, type systems, program analysis, parallel programming, Geospatial Semantic Web, and GIS. Weidong Li is currently a professor in geospatial information engineering at Huazhong Agricultural University, and also a research professor at University of Connecticut. He received a Master’s degree in computer science from Marquette University and obtained a PhD degree in soil and water science in 1995 from China Agricultural University. His research interest is focused on geostatistics, Internet GIS, and geoinformatics for natural resource management.