An examination of a novel information diffusion model for social media

Nowadays, users of Twitter, one of famous social media have rapidly increased in number, and many people have been exchanging in- formation by Twitter. When the Great East Japan Earthquake in 2011, people were able to obtain information from social media. Though Twitter played an important role, one problem was especially pointed out: false rumor diffusion. In this study, we propose two novel information diffusion models for elucidating the diffusionmechanism of information. One based on the SIR model which is a famous mathematics model, and the other base on word-of-mouth propagation.