关键词: 社交网络，学术社区，关系，感知

Abstract: Social networks have experienced exponential growth in membership and have become a hotspot for research in recent years. It helps users to organize their friendship links and maintain their social relations. I}he key point of social networks is maintenance of personal profile and awareness of other users' information in the networks. Considering the lack of awareness information, this paper sought to empirically explore the question of whether the concept of awareness can be fruitfully adapted and applied to the field of social networks. We analysed the concept and connotation of awareness, compared the group in the field of CSCW and social networks, discussed the formation progress of the social networks’awareness information, researched awareness from the aspect of social networks’environment and groups,extended and adjusted the awareness technology to social networks and improved the communication and interactivity in social networks. Finally, we implemented the academic community that is a social network site supporting awareness. It helps researchers find research focus and groups, and advances academic exchange and innovation.

Key words: Social network, Academic community, Relationship, Awareness