1. Mobile devices and intelligent agents—towards a new generation of applications and services;O'Grady;Information Sciences,2005
2. Connecting the physical world with pervasive networks;Estrin;IEEE Pervasive Computing,2002
3. Enabling pervasive computing with smart phones;Marsh;IEEE Pervasive Computing,2005
4. Institute for Information Industry, ACI-FIND, Focus on Internet News and Data, 2004, Available from: http://www.find.org.tw/.
5. Directorate General of Telecommunicate, Analysis of Mobile Phone Subscribers in 2003, 2003, Available from: http://www.dgt.gov.tw/.