7[4]VARSHNEY U,VETTER R.Mobile Commerce;Framework,Applications and Networking Supporting[J].Mobile Networks and Applications,2002,7(3):185～198.
8[5]KUO Y F,CHEN P C.Selection of mobile valueadded services for system operators using fuzzy synthetic evaluation[J].Expert Systems with Applications,2006(30):612～620.
9[6]O'LOUGHLIN M A.Wireless Internet:Opportunities and Threats[M].NY:Ovum Group,2000.
10[7]LEHMANN H.Making Sense of Mobile Applications-A Critical Note to Recent Approaches to Their Taxonomy and Classification[C]//15th Bled Electronic Commerce Conference eReality:Constructing the eEconomy.Bled,Slovenia,2002:17～19.
