6DAVENPORT H, PRUSAK L. Information ecology : mastering the information and knowledge environment[M]. New York:Oxford U- niversity Press, 1997.
7DETIOR B. The influence of information ecology on e-commerce ini- tiatives[J]. Electronic networking applications and policy, 2001 (4) :286 -295.
8JORDAN F, SCHEURING I. Network ecology: topological con- straints on ecosystem dynamics[ J]. Pysics of life reviews, 2004, 12(1) :139 -172.
9SHIM S, LEE B. Evolution of portals and stability of informatione- cology on the web[ C ]//Proceedings of the 8th international confer- ence on electronic connnerce. Sheffield: Advanced material re- seach, 2006.
