Abstract
Information diffusion is significant for emergency management as it can decide the severity of accidents. In this paper, we set up a communication model of passengers for the metro emergency. In the model, four categories of passengers are defined as unknown passengers, supportive passengers, neutral passengers and opposed passengers. Three passengers’ characteristics are taken into account, such as spreading desire, the trustworthiness and the passengers’ uncertainty about their opinions. From the simulation results, we can see that the passengers’ uncertainty about their opinions has a positive correlation with the time of passengers’ opinions reaching consensus, while other two factors both have a negative correlation. The result is useful for metro officials to guide and control emergency information.
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