《计算机应用》唯一官方网站 ›› 2024, Vol. 44 ›› Issue (2): 619-627.DOI: 10.11772/j.issn.1001-9081.2023020154

• 前沿与综合应用 • 上一篇    

考虑用户能动性和流动性的舆情传播模型

马源源1,2(), 解蕾蕾1,3, 董南1,3, 刘娜1,3   

  1. 1.东北大学 工商管理学院,沈阳 110819
    2.东北大学秦皇岛分校 经济学院,河北 秦皇岛 066004
    3.东北大学秦皇岛分校 管理学院,河北 秦皇岛 066004
  • 收稿日期:2023-02-21 修回日期:2023-05-09 接受日期:2023-05-15 发布日期:2023-08-14 出版日期:2024-02-10
  • 通讯作者: 马源源
  • 作者简介:解蕾蕾(1998—),女,山西吕梁人,硕士研究生,主要研究方向:网络舆情传播、数据挖掘
    董南(1997—),男,山东潍坊人,硕士研究生,主要研究方向:生物数学、时滞微分方程
    刘娜(1998—),女,山西临汾人,硕士研究生,主要研究方向:传染病动力学。
  • 基金资助:
    国家自然科学基金资助项目(71701036);中央高校基本科研业务费专项资金资助项目(N2123022)

Opinion propagation model considering user initiative and mobility

Yuanyuan MA1,2(), Leilei XIE1,3, Nan DONG1,3, Na LIU1,3   

  1. 1.College of Business Administration,Northeastern University,Shenyang Liaoning 110819,China
    2.College of Economics,Northeastern University at Qinhuangdao,Qinhuangdao Hebei 066004,China
    3.College of Management,Northeastern University at Qinhuangdao,Qinhuangdao Hebei 066004,China
  • Received:2023-02-21 Revised:2023-05-09 Accepted:2023-05-15 Online:2023-08-14 Published:2024-02-10
  • Contact: Yuanyuan MA
  • About author:XIE Leilei, born in 1998, M. S. candidate. Her research interests include online opinion propagation, data mining.
    DONG Nan, born in 1997, M. S. candidate. His research interests include biomathematics, time delay differential equations.
    LIU Na, born in 1998, M. S. candidate. Her research interests include epidemic dynamics.
  • Supported by:
    National Natural Science Foundation of China(71701036);Fundamental Research Funds for Central Universities(N2123022)

摘要:

针对现有信息传播模型忽略了用户主观能动性和社交网络动态性的问题,提出异构网络中考虑用户能动性和流动性的SCBRD(Susceptible-Commented-Believed-Recovered-Defensed)舆情传播模型。首先,利用下一代矩阵方法计算基本再生数,并运用Lyapunov稳定性定理和庞特里亚金原理分析了系统的动力学和最优控制问题。然后,基于BA(Barabási-Albert)无标度网络进行仿真分析以确定影响舆情传播的显著因素,结果表明,用户的好奇心理、转发行为和进入率在信息扩散中起着主导作用,并且系统存在最优控制解。最后,依据实际数据验证模型的合理性。与SCIR(Susceptible-inCubation-Infective-Refractory)模型相比,SCBRD模型的拟合优度提高了27.40%,预测的均方根误差(RMSE)减小了39.02%。因此,该模型能够适应信息传播复杂的变化形势,为官方的舆情监管提供较好的指导。

关键词: 舆情传播模型, 平均场方程, 最优控制, 新浪微博, 参数估计

Abstract:

To address the issue of existing information diffusion models overlooking user subjectivity and social network dynamics, an SCBRD (Susceptible-Commented-Believed-Recovered-Defensed) opinion propagation model that considers user initiative and mobility in heterogeneous networks was proposed.Firstly, the basic reproduction number was determined using the next-generation matrix method, and the system’s dynamics and optimal control were investigated by applying Lyapunov’s stability theorem and Pontryagin’s principle. Then, a simulation analysis was performed based on BA (Barabási-Albert) scale-free network to identify the significant factors affecting the opinion propagation. The results reveal that users’ curiosity, forwarding behavior, and admission rate play dominant roles in information diffusion and the system has an optimal control solution. Finally, the model’s rationality was validated based on actual data. Compared to the SCIR (Susceptible-inCubation-Infective-Refractory) model, the SCBRD model improves fitting accuracy by 27.40% and reduces the Root Mean Square Error (RMSE) of prediction by 39.02%. Therefore, the proposed model can adapt to the complex and changing circumstances of information diffusion and provide better guidance for official public opinion regulation.

Key words: opinion propagation model, mean-field equation, optimal control, Sina Weibo, parameter estimation

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