王晓明,王 莉,杨敬宗. 微博信息传播网络的结构属性分析[J]. 中文信息学报, 2014, 28(3): 55-61.
WANG Xiaoming, WANG Li, YANG Jingzong. Research on Microblog Information Diffusion Network Structural Properties. , 2014, 28(3): 55-61.
微博信息传播网络的结构属性分析
王晓明,王 莉,杨敬宗
太原理工大学 计算机科学与技术学院,太原 山西 030024
Research on Microblog Information Diffusion Network Structural Properties
WANG Xiaoming, WANG Li, YANG Jingzong
College of Computer Science and Technology, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
Abstract：Microblog is widely used nowadays. While its users interaction structure is complex, a novel method is proposed in this paper to analyze the property of microblog information diffusion network. We first give the definition of the information source. Then information diffusion networks for six different topic events are visualized and analyzed. Information diffusion network is modeled as a directed acyclic graph, and three motif structures are defined to present information scattering, information gathering and information transmitting, respectively. According to the Spearman rank correlation coefficient, the distributions of the three motif structures are quite different from each other. As for the information diffusion network evolution, it is dount that the information scattering structure has the largest number at each snapshot.
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