9Arcieri F,Cappadozzi E, Nardelli E,et al. SIM: A working example of an e-government service infrastructure for mountain communities. Workshop on Electronic Government, Conf. on Databases and Expert System Applications. Munich,Germany,IEEE Computer Society Press, Sept. 2001. 被引量：1
10Douglas C Schmidt, Frank Buschmann. Patterns, frameworks, and middleware: their synergistic relationships. Proceedings of the 25th international conference on Software engineering Portland, Oregon , May 2003. 被引量：1
