Feature Analysis of Important Nodes in Microblog

Microblog plays an important role in the dissemination of information now, especially on some sensitive topics. We established the propagation model of the microblog was constructed in this paper. The weak ties are used in the microblog network to obtain independent communities. We analyzed degree centrality, betweenness centrality and closeness centrality of microblog network. Various messages disseminate from different nodes with various feature which can be preset. The characteristics of some nodes in the information dissemination process become clearer according to the comparison among results after message dissemination. We analyzed the impacts of some nodes with information entropy during the information dissemination, which is so important to guide public opinion and maintain social stability.