Yong-jun Chen Shi Tan Hai-jun Zhao Cheng Hua Ju Xiang Technological Framework and Application of Exhibition Electronic Business. 610-619 2007 I3E (1) http://dx.doi.org/10.1007/978-0-387-75466-6_70 conf/i3e/2007-1 db/conf/i3e/i3e2007-1.html#ChenTZHX07