He received his Ph. D. in Computer Sciences from Purdue University in 2002 and B.S. and M.S. degrees both in Applied Mathematics from National Chung-Hsing University, Taiwan, in 1992 and 1994, respectively. In the summer of 2010 and 2011, he has held visiting appointments at Auburn University and Beijing Institute of Technology, respectively. Dr. Liu's research interests include data management and data dissemination in various emerging computing environments, query processing in moving objects, location-based services, ad-hoc and sensor networks, parallel and distributed computation, and analysis and design of algorithms.