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随着在线社交网络的高速发展和影响力日渐扩大,研究其演化发展规律已经成为非常重要的课题.通过抓取新浪微博的数据,将用户划分为意见领袖和普通用户,并建立了一个定量的两层演化模型.在此基础上,分析了意见领袖和普通用户之间社交影响力的差异,研究了网络内部病毒传播机制和外部媒体因素对在线社交网络演化过程的影响,并利用抓取的实际数据验证了模型的准确性.研究结果对进一步探寻在线社交网络结构、社会价值观对在线信息传播的影响均有积极意义.
With the rapid development and increasing influence of online social networks, it has become a very important issue to study the evolution and development of social networks.Through grasping the data of Sina Weibo, users are divided into opinion leaders and ordinary users, and a quantitative Based on this, this paper analyzes the difference of social influence between opinion leaders and ordinary users, and studies the influence of internal network transmission mechanism and external media on the evolution of online social networks. The actual data verify the accuracy of the model.The results of the research have positive significance to further explore the impact of online social network structure and social values on online information dissemination.