【目的/意義】揭示web2.0環境下的高校間信息交流模式與現實世界中的異同,促進高校間的信息交流與知識共享。【方法/過程】針對Web2.0時代的信息交流呈現出的新特點,以高校微博為研究對象,基于關注視角,利用社會網絡分析方法,從地理位置、隸屬部門和學科類型三個維度分析高校微博關注網絡結構,得出不同子群高校的微博信息交流特征。將發文量、粉絲數、關注數作為高校微博用戶信息交流行為的表征指標,將其與中心度指標進行相關性分析。【結果/結論】結果表明關注網絡中不同身份或地位的高校節點的信息交流特征也存在差異,基于關注關系對高校微博展開的社會網絡分析為社交平臺用戶的信息交流研究提供了新的視角。

【Purpose/significance】By revealing the differences of university informaiton exchange mode between real wordand Web 2.0 to promote the information exchange and sharing.【Method/process】Information communication presents newcharacteristics in the web2.0 age. Fixing micro-blog as the research object, based on the perspective of focus of attention,the paper analyses the network structure from three dimensions of geographical position, subordinate department and disci-pline type.Using social network analysis method, the characteristics of micro-blog information exchange in different subgroups of colleges and universities are obtained. Taking the number of"Weibo", the number of"followers"and the numberof"following"as three information exchange behavior indicators of micro-blog users in colleges and universities, the paperanalyses the correlation between these indicators and the centrality degree indicators.【Result/conclusion】The result showsthat colleges and universities nodes of different identities or ranks in"focus"network have different information exchangecharacteristics. The social network analysis on micro-blogs in colleges and universities based on the perspective of focus ofattention provides a new perspective for the study of the information exchange of social networking platform users.