结合传染病动力学的SEIR模型，本文建立了适用于社交网络的信息传播模型。该模型基于社交网络用户的行为特征，分析了社交网络的传播机理和网络参数对信息传播过程的影响，得出了动力学演化方程组，刻画了信息传播过程随时间的演化规律。仿真实验的结果表明，本文提出的模型能正确地反映社交网络上的信息传播的趋势，较为准确地描述信息传播过程。%It is established a model for information spreading over the social network originating from the SEIR model of the dynamics of infectious diseases .Analyses are given with the model on the effect of the propagation mechanism and network parame-ters on the processes of information spreading ,based on the users′behavior characterization dynamic evolution equations are de-duced and the temporal evolution rules of the processes of information spreading are elaborated .The results of simulation experiment show that the SEIR-based model presented is capable of reflecting the tendency and describing the processes of information spread-ing over the SNS .
展开▼
