中文摘要：

意见领袖在突发事件中扮演着传播、引导、推动舆论发展等重要作用。为了对突发事件中的意见领袖进行识别和影响力分析，本文从影响力和活跃度两个维度出发，结合微博的传播特点，构建微博意见领袖指标体系，应用一种改进的层次分析法（Analytic Hierarchy Process，AHP）确定指标权重，并通过新浪微博数据进行实证研究。实验结果表明，本文构建的指标体系，能够科学有效的识别出突发事件中的微博意见领袖。研究提供了一种意见领袖识别模型，可以科学有效的对突发事件中的意见领袖进行识别和影响力分析。

英文摘要：

Opinion leaders play an important role of disseminating, leading and promoting the development of public opinion in emergencies. To recognize and analyze the influence of opinion leaders, this paper combine with the dissemination characteristics of microblog, and constructs an opinion leader index system from the two dimensions of influence and activeness, and determine the weights of each index through the method of an improved Analytic Hierarchy Process （AHP）, and conduct empirical study by the dataset in sina microblog. The result showed that the index system of this paper can scientifically and effectively recognize the opinion leaders of microblog in emergency. This study provides a recognition model of opinion leaders, which can recognize and analyze the influence of opinion leaders in emergencies scientifically and effectively.