Innovative Mobile Internet Services and Applications

1Department of Computer Software, School of Information Science, Korean Bible University, 16 Danghyun 2-gil, Nowon-gu, Seoul 139-791, Republic of Korea 2Department of Industrial and Information Engineering, Second University of Naples, Via Roma 29, 81031 Aversa (CE), Italy 3Department of Information and Communication Engineering, Faculty of Information Engineering, Fukuoka Institute of Technology (FIT), 3-30-1 Wajiro-Higashi, Higashi-Ku, Fukuoka 811-0295, Japan