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Research on Characteristics of Information Propagation Network of the Mass Unexpected Incident: A Case Analysis of Panic Buying of Candles

Zhuang Yaming Yu Hailin(School of Economics & Management,Southeast University,Nanjing 211189)  
Mass unexpected incidents are usually accompanied by the complex process of information dissemination.Its information propagation network has a certain structural characteristics,which has effect on the group behavior and the development trend of the event.Based on the related data collected by the Goonie micro public opinion monitoring system,this paper analyzes fundamental characteristics of the information propagation,constructs its network structure combined with complex network theory,and analyzes the topology characteristics by matlab programming.Study shows that we can determine the event's stage of development through statistical analysis of the number of information and negative information.In different stages of the event,the attention of individuals to the event-related information has difference.According to the constructed network,we can identify the hub individual in the event and its characteristics and find that the degree distribution of the network,which has obvious scale-free topology characteristics,approximately obeys the power-law distribution.Finally we propose some feasible advices for government departments and public individuals according to the characteristics of the network structure.
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