网络舆情管理是社会创新管理的重要内容之一，网络舆情主题演化分析是网络舆情态势预测的重要环节。本文将用户参与不同主题的交叠度和用户的关注关系网络的交叠度结合起来，构建了舆情主题交叠网络影响度模型，对“城管”“腐败”主题中微博用户的交叠影响进行挖掘。发现少量微博用户对主题交叠演化产生了重大影响，利用该模型可提高网络主题交叠演化中网民影响的挖掘效率，对这些影响力高的网民进行监控和引导将有助于预控网络舆情演化。%Network public opinion management is an import part of innovative society management, and analysis of subject evolution of network public opinion is a critical clue to the tendency prediction of public opinion. This paper takes into consideration the influence of the content of opinion information and netizen's social network, combining the overlapping degree of participating subject and following re-lation network, to construct an overlapping influence model of network public opinion subjects, and mines the overlapping influence of two subjects such as"city inspector" and "corruption". The results indicate that certain netizens have an important influence on the overlap-ping evolution of blog subjects, the efficiency of mining important netizens’ influence in opinion overlapping evolution can be enhanced with this model, and supervising and guiding those influential netizens can contribute to the pre-controlling effort of the network public o-pinion evolution.
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