Abstract:

As a powerful and new information dissemination social media, microblog has got increasing attention Finding patterns of information diffusion of microblog, vicious information will be effectively regulated Users of microblogs are divided into three categories: not-forwarding users, forwarding users and  overwhelming users based on the susceptible, infected and removed (SIR) model, which can successfully simulate users’ information forwarding behavior By using Matlab, the microblog information diffusion curves and patterns are found out Based on simulation results, policy recommendations are put forward in the end

Key words: information diffusion, SIR model, microblog, Matlab simulation