微博中节点影 响 力度量与传播路径模式.pdfVIP

33 Z1 Vol.33 No. Z1 2012 9 Journal on Communications September 2012 doi:10.3969/j.issn.1000-436x.2012.z1.013 400065 / 2 NodeXL TP391 A 1000-436X(2012)Z1-0096-07 Studying on the node’s influence and propagation path modes in microblogging YU Hong, YANG Xian Institute of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China Abstract: In order to analyze microblogging information propagation path modes, the nodes influence to reflect its im- portance was defined based on considering the characteristics of information propagation in microblogging. Firstly, the broadcast/comment data of a microblogging was collected and preprocessed. Then, the formal description of the trans- mission network was given, and the node’s influence was defined which reflects its significance in the local and global aspects. The results of comparative experiments show that the new definition is reasonable. Besides, some information propagation path modes were proposed, which combine the measurement of influence. Finally, the results by using visu- alization software-NodeXL show that the information propagation path modes are typical. Key words: microblogging; node’s influence; information propagation; path 1 Web 2.0