关键词: 情绪型群体事件, 社会关系网络, 情绪感染模型, 有限理性, 意见领袖

Abstract: The formation and spread of negative emotions in large scale group are the fundamental reason of mass incident. In consideration of individuals in social network are of limited rationality, formation reasons, contagion rules and spread mechanisms of group emotion are analyzed and summarized, in accordance with these, a group emotional infection model is built. In order to investigate evolution of group negative emotions under different scenarios, the process of group negative emotion evolution is simulated by using multi-agent simulation platform Netlogo, the results show that the rational degree of ordinary citizens, emotional relationship between individuals, other emotions intervention, other emotions proportion, time of other emotions interventions, emotional contagion threshold and so on are all have an impact on group negative emotions. Finally, some prevention countermeasures and reasonable suggestions are given to the emotional group incidents.

Key words: emotional group incidents, social network, emotional contagion model, limited rationality, opinion leader