About the Author: VIJAY KUMAR, PhD, is Professor of Computer Science in the department of Computer Science Electrical Engineering at the University of Missouri-Kansas City. Dr. Kumar has served as a consultant to the United Nations and is on the editorial review board of several peer-reviewed journals. He is the editor-in-chief of two peer-reviewed journals: International Journal of Next Generation Computing (IJNGC) and International Journal of Computer Science (IJCS). His research interests include recovery and security in mobile database systems, workflow on the web, mobile computing databases, data warehousing, and web security.