Big Data Analysis on the Effect of Media Agenda Setting in Micro-blog

This paper selects related news reports for Shandong problem vaccine incident on micro-blog as a breakthrough point, which the reports come from three mainstream media of China, and construct the Event Propagation Network and the Agenda Map Network by using methods of big data acquisition and statistics. We find that there is a positive correlation with the size of first-hop propagation, the subsequent transmission scale and the scale of diffusion by analyzing the EPN. The AMN is successful used to analyze the content of news reports with its attributions. Finally we find there is the relationship with the AMN and the EPN.