微博中谣言信息与辟谣信息综合影响力对比研究

[目的/意义]本文将微博中传播的"谣言信息"和与其对应的"辟谣信息"视作研究对象,应用主成分分析法对其综合影响力进行对比分析,以期可以精准预测谣言和辟谣信息的综合传播影响力。[方法/过程]首先构建谣言和辟谣信息综合影响力评价体系,包括人物、话题和网络三大维度;然后,基于大量真实数据进行主成分分析,得到谣言和辟谣信息综合影响力模型;最后,应用以上模型对具体舆情案例的谣言和辟谣信息影响力进行度量。[结果/结论]结合具体实例的真实演化结果,进一步验证了模型的有效性。

Comparative Research on the Comprehensive Influence of Rumor Information and Refute Rumor Information in Weibo

[Purpose/significance]The paper regards the rumor information and the corresponding dispelling rumor in-formation as a pair of heterogeneous information spreading in microblog,and uses Principal Component Analysis(PCA)to study comprehensive influence of the rumour and counter-rumour.[Method/process]First,constructing the evalua-tion index system of comprehensive influence of the rumour and counter-rumour,including figure dimensions,subjectdimension and network dimension;Then,conducting the principal component analysis based on the real rumour andcounter-rumour information data of microblog,separately getting the six principal components of comprehensive influ-ence of the rumour and counter-rumour,and putting forward comprehensive influence model on the basis of the above.[Result/conclusion]The model is used to measure the influence of rumors and counter-rumour of specific public opin-ion case,and the validity of the model is verified by combining the real evolution results of the case.