Advanced Modeling and Services Based Mathematics for Ubiquitous Computing

1Department of Computer Science & Engineering, Seoul National University of Science & Technology, Seoul 139-743, Republic of Korea 2School of Computer Science, University of Adelaide, Adelaide, SA 5000, Australia 3Department of Computing, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong 4Department of Computer Science, Technical University of Catalonia, 08034 Barcelona, Spain 5Department of Multimedia Engineering, Dongguk University, Seoul 100-715, Republic of Korea