Building method for virtual community trust model;

Through analyzing the forms of virtual communities,the research tries to discuss the advantages and disadvantages of sharing knowledge in virtual communities,and supplies some methods for improving virtual communities.

By analyzing the applications of ICT into higher education and the importance of teachers professional development (TPD), the author puts forward a approach based on virtual communities to TPD at colleges and universities.

The particularities of the internet have changed the traditional mode of human intercourse,forming a new intercourse space——virtual communities,in which people use nicknames and establish a kind of interpersonal communication similar to that in real life.

From a social capital perspective,this study investigates the factors that influence the sense of virtual community(SOVC) of the users\' of virtual community(VC).

Achieving and strengthening the low-cost and prompt strategic expansion of telecom enterprises in the rural market by virtual management;

And the implement technique on virtual management .

The paper discusses the content and basic features of library virtual management,points out virtual management must innovate and it s the requirement of future library s development.