微博网络中舆情观点演变动力学模型的构建与分析
首发时间:2016-05-31
摘要:结合微博网络的结构特征和传播机制,对线性阈值模型做了进一步扩展,提出了一种新的度量个体之间交互影响力的方法,并考虑个体对信息所持有的不同观点(积极、消极、中立三种),建立了连续观点的舆情演化动力学模型,以研究网络的初始观点分布和有影响力的个体对舆情形成以及演化结果的影响。仿真结果表明网络中有影响力的个体对舆情演化结果具有关键性的引导和调节作用,可为网络舆情预警与管控提供相应对策。
关键词: 信息管理与信息系统 舆情传播 在线社交网络 传播动力学
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Construction and Analysis of the Public Opinion Evolution Model
Abstract:This paper makes a further expansion of the linear threshold model, combining the structure characteristics with its transmission mechanism of the microblog network. We propose a new method of measuring interaction influence between individuals, and also takes consideration of the different views (positive, negative and neutral) held by individuals. We further build a dynamic model of public opinion evolution with continuous point of views, in order to study the effects of initial distribution of individual views and influential individuals on the results of public opinion propogation. The results show that influential individuals can significantly guide and regulate the result of the evolution of public opinion, and thus can provide corresponding countermeasures for early warning and control work of network public opinion.
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No.4689010114841614****
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