基于正负反馈的SEIR微博舆情传播模型

社交网络舆情已经成为社会舆情的主要阵地。针对传统模型难以描述社交网络舆情话题的真实传播过程，分析社交网络舆情话题的真实特点，补充加入社交网络中显著的水军和僵尸粉这2大显著特征，作为舆情话题传播中的正负反馈，分别对舆情话题的传播起到推动及抑制作用，构建带有正负反馈的社交网络舆情传播话题模型，提高舆情预测模型的准确率，得出正负反馈对舆情传播的影响力。

SEIR Microblog Public Opinion Communication Model with Positive and Negative Feedbacks

The social network public opinion has become the main position of social public opinion. Because the traditional public opinion prediction model is difficult to describe the real spreading process of social network, a social network topic propagation model based on infectious disease dynamics with positive and negative feedbacks is proposed. This paper analyzes the real characteristics of social network public opinion topic, adds two significant features: Internet mercenaries and zombie fans as positive and negative feedback in the dissemination of public opinion topics, which promote and inhibit the spread of opinion topics respectively. The SEIR microblog pubic opinion communication model with positive and negative feedbacks is constructed, which improves the public opinion prediction accuracy compared with traditional models, and gets the influence of positive and negative feedback on public opinion communication.