中文摘要：

【目的/意义】揭示web2.0环境下的高校间信息交流模式与现实世界中的异同,促进高校间的信息交流与知识共享。【方法/过程】针对Web2.0时代的信息交流呈现出的新特点,以高校微博为研究对象,基于关注视角,利用社会网络分析方法,从地理位置、隶属部门和学科类型三个维度分析高校微博关注网络结构,得出不同子群高校的微博信息交流特征。将发文量、粉丝数、关注数作为高校微博用户信息交流行为的表征指标,将其与中心度指标进行相关性分析。【结果/结论】结果表明关注网络中不同身份或地位的高校节点的信息交流特征也存在差异,基于关注关系对高校微博展开的社会网络分析为社交平台用户的信息交流研究提供了新的视角。

英文摘要：

【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.