University campus social network system for knowledge sharing

Public online social network services have achieved dazzling success in recent years. As a result, vertical social network services for universities' are expected warmly by campus users. As the majority of activities in university campus knowledge-intensive, one of the core functions of campus social network system is to facilitate knowledge sharing. In the cyberspace of universities, knowledge is stored in various kinds of digital resources such as documents, photos, videos etc. In this paper, we discuss the design and implementation of our campus social network system, concentrating on knowledge sharing mechanism in the system. The knowledge sharing mechanism has three features including the utilization of users' personal social network facilitate the dissemination of digital resources, the use of a six-tuple model based tagging to realize the unified labeling for digital resources and the adoption of a multi-scale evaluation method for digital resources. With all these considerations, we expect to improve the effectiveness of knowledge by enlarging the dissemination scope of digital resources carrying it in cyberspace of universities.