The discussion about the architecture mode of Yinchuan s cooperative platform;

Cooperation Workflow Management Platform (CWFMP) takes advantages of the advanced computer technology, network and communication technology, and also uses the advanced management and the humanities at home and abroad for reference, which further promote corporations running, managing and monitoring.

This paper proposed a method of using portlet and business resource to construct the virtual cooperative work platform and give the architecture of this method,then the key factors of implementation was discussed.

In order to solve the problem of the target assignment in corporative engagement of multiple platforms,an algorithm of distributed target assignment based on contract mechanism was put forward.

In order to solve the low efficiency of urban track engineering construction project which the traditional communication way creates, the paper proposes to construct various participants joint work platform in the urban track engineering construction project based on the project information portal.