意见领袖演化模型的构建是揭示群体共识形成规律的一项有效途径。本研究按照ABM模型(Agentbased M odeling)的建模范式,分析了具有成员流动性的复杂开放网络中的多主体意见演化状况。仿真实验的结果表明,信任阈值虽然与最终呈现的意见...意见领袖演化模型的构建是揭示群体共识形成规律的一项有效途径。本研究按照ABM模型(Agentbased M odeling)的建模范式,分析了具有成员流动性的复杂开放网络中的多主体意见演化状况。仿真实验的结果表明,信任阈值虽然与最终呈现的意见簇数量存在负相关关系,但关系强度明显低于传统Weisbuch-Deffuant模型;在没有特殊干预的情况下,个体意见初始分布的偏向性会伴随意见演化过程始终;初始活动群体的连通性越强,其中各主体意见越容易在意见交互中实现快速收敛。展开更多
Given the fragmentation of public opinion dissemination and the lag of network users’cognition,the paper analyzes public opinion dissemination with incomplete information,which can provide reference for us to control...Given the fragmentation of public opinion dissemination and the lag of network users’cognition,the paper analyzes public opinion dissemination with incomplete information,which can provide reference for us to control and guide the spread of public opinion.Based on the derivative and secondary radiation of public opinion dissemination with incomplete information,the Susceptible-Susceptible-Infected-Recovered-Recovered-Infected(SSIRR-I)model is proposed.Given the interaction between users,the Deffuant opinion dynamics model and evolutionary game theory are introduced to simulate the public opinion game between dissemination and immune nodes.Finally,the numerical simulation and results analysis are given.The results reveal that the rate of opinion convergence significantly affects disseminating public opinion,which is positively correlated with the promotion effect of the dissemination node and negatively correlated with the suppression effect of the immune node of public opinion dissemination.Derivative and secondary radiations have different effects on public opinion dissemination in the early stage,but promote public opinion dissemination in the later stage.The dominant immune nodes have an apparent inhibitory effect on the spread of public opinion;nevertheless,they cannot block the dissemination of public opinion.展开更多
文摘意见领袖演化模型的构建是揭示群体共识形成规律的一项有效途径。本研究按照ABM模型(Agentbased M odeling)的建模范式,分析了具有成员流动性的复杂开放网络中的多主体意见演化状况。仿真实验的结果表明,信任阈值虽然与最终呈现的意见簇数量存在负相关关系,但关系强度明显低于传统Weisbuch-Deffuant模型;在没有特殊干预的情况下,个体意见初始分布的偏向性会伴随意见演化过程始终;初始活动群体的连通性越强,其中各主体意见越容易在意见交互中实现快速收敛。
基金supported by the National Social Science Foundation of China(No.20BGL025)and the Postgraduate Practice Innovation Program of Jiangsu Province(No.SJCX200316).
文摘Given the fragmentation of public opinion dissemination and the lag of network users’cognition,the paper analyzes public opinion dissemination with incomplete information,which can provide reference for us to control and guide the spread of public opinion.Based on the derivative and secondary radiation of public opinion dissemination with incomplete information,the Susceptible-Susceptible-Infected-Recovered-Recovered-Infected(SSIRR-I)model is proposed.Given the interaction between users,the Deffuant opinion dynamics model and evolutionary game theory are introduced to simulate the public opinion game between dissemination and immune nodes.Finally,the numerical simulation and results analysis are given.The results reveal that the rate of opinion convergence significantly affects disseminating public opinion,which is positively correlated with the promotion effect of the dissemination node and negatively correlated with the suppression effect of the immune node of public opinion dissemination.Derivative and secondary radiations have different effects on public opinion dissemination in the early stage,but promote public opinion dissemination in the later stage.The dominant immune nodes have an apparent inhibitory effect on the spread of public opinion;nevertheless,they cannot block the dissemination of public opinion.