Visualization Analysis of Research Hotspots and Fronts of Crowd Behavior in Emergencies Based on Citespace Software

The casualties caused by emergencies increased rapidly in recent years, more and more scholars began to make an intensive study of this field. From the subjective judgment to objective measurement, it is a new attempt to use the visualization software to study the knowledge base, development context and recent research with the downloaded data from the database such as "Web of Science". Based on the analysis software CiteSpace, this paper studies the mapping knowledge of the countries, institutions, categories and keywords, divides the keywords into 10 clusters which can be separated into the micro and macro aspects and obtains the researching trends of the crowd behavior in emergencies.