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In view of the problem of “information island” caused by the lack of collaborative management of application software in the current design and manufacturing process of ship shop, this paper puts forward a scheme of building application collaboration of ship shop design and manufacturing on the basis of private cloud platform. All kinds of resources needed in the whole life cycle of ship design and manufacturing are packaged together. Ship design and manufacturing units distributed in different places connect the private cloud platform, utilize the design and manufacturing resources on the cloud, realize business collaboration between design and manufacturing applications, and make the seamless flow of design and manufacturing data through.

In former researches, the constructions of cross-system collaboration model of e-government are mostly limited to some specific technical architecture. To resolve this problem, we constructed a general conceptual model of cross-system collaboration from the perspective of the e-government system elements. Accordingly, the decomposed sub models are discussed, including the resource sharing model, the technology fusion model and the service collaboration model. Each of these sub models are constructed based on the conclusion of general characteristic of former models.

The paper builds the influential factor model of virtual community knowledge sharing behavior from the four dimensions. By using structural equation model, the paper makes an empirical research on the key factors of promoting the college students' knowledge sharing behavior in the virtual community and the impact of knowledge sharing behavior of virtual community members on the community loyalty.

The paper refers to the construction and practice of Web-based teaching platform for Information management subject based on the course of "information service and user" (IS&U) , which using interactive theory that among teaching, practice and research to realize the construction of the platform. The frame of platform is based on teacher-student interactivity on B/S. The Web site of the course uses ASP technology based on Microsoft and program language such as VBScript5.50 , JavaScript 5.6. We summarize the experience of the opening teaching platform as to deepen the further teaching reform.