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随着网络化社交工具的日益普及与应用,研究社交网络中的舆情传播行为与机制具有重要的理论和实际应用意义.通过对微信用户(含公众号)网络行为的分析,重点研究网络中谣言的传播行为,并提出了一种在SIR模型基础之上的改进模型-S1S2IR双S谣言传播模型.其核心改进思路是将“普通用户(S)”细分成受微信公众号影响的用户子集和受微信好友影响的用户子集,该划分从数学建模的角度来讲是切实可行的,并得出平均场方程且对其稳定性进行分析和验证.利用MATLAB进行模拟仿真,对传播过程进行数值模拟,分析在谣言传播过程中,不同参数的变化,对谣言传播过程的影响.最后得出政府部门不仅要对微信用户之间的交流接触进行管理,同时对于微信公众账号也要进行严格的审核和管控,减少谣言在微信中的传播,维持社会的稳定.
With the increasing popularity and application of networked social tools, it is of great theoretical and practical significance to study the behavior and mechanism of public opinion communication in social networks.Through the analysis of the behavior of WeChat users (including the public number), we focus on the rumors And proposes an improved model-S1S2IR double-S rumor propagation model based on SIR model.The core idea of improvement is to subdivide “common user (S) ” into the influence of WeChat public number Subsets of users and subsets of users affected by WeChat buddies, which is practicable from the point of view of mathematical modeling and gives the average field equation and its stability analysis and verification.Using MATLAB to simulate, The numerical simulation of the process of communication, analysis of the rumors spread in the process of different parameters of the rumor spread process.Finally, the government departments not only to the micro-channel communication between users to manage contact, while the public account for WeChat To conduct a rigorous review and control, to reduce the spread of rumors in the WeChat, to maintain social stability.