Exploring Influence Of Roles Distribution On Information Diffusion Effect In Microblog

With the development of Internet, mobile-Internet technology and the increasing demand of communication between people, Microblog has become into one of main forms of media, as a result of its simplicity, rich content and celebrity effect. It’s helpful for information diffusion pattern and Microblog-marketing optimization research on social media to study information diffusion effect on Microblog, which has been hot spot in the field of information diffusion and social network.From the point of social network structure, I separately make the media feature and sociality representing individual relative influence, and make degree centrality representing absolute influence in the network, on the basis of which, I judge the category of nodes’roles in the network, which I divide into stars, enthusiastic nodes, negative nodes and lonely nodes. After that, I use methods of simulation to explore the influence of roles’distribution on information diffusion speed and range in the beginning, increasing and stable phrases separately. This research tries to innovate in the object of information diffusion study and role partition of Microblog’s network, which has important meaning on Microblog-marketing and diffusion forecast.