3GUTIERREZ F L, VELA J L, ISLAM. An architecture for access control management in collaborative enter- prise systems based on organization models [ J ]. Sci- ence of Computer Programming, 2007 ( 66 ) :44 - 59.
4KIM L S. The relations between transactional charac- teristics, trust and risk in the start - up phase of a col- laborative alliance [ J ]. Managment Accounting Re- search ,2008 ( 16 ) :344 - 364.
