[Purpose/Significance] In order to respond to major emergencies more quickly and efficiently, this paper conducts a study on the dynamic evolution process of major emergencies, with a view to assisting relevant departments in responding to and making decisions on major emergencies.[Method/Process] Based on the theory and method of event knowledge graph, this paper obtained the abstract event knowledge graph of major emergencies through the steps of event knowledge graph construction, event generalization, etc, and further analyzed it to summarize the motivation of event evolution, combined with the system dynamics model, the dynamic simulation model of the event evolution was carried out.[Result/Conclusion] The research results show that highly generalized knowledge can reveal the causes and influencing factors of event evolution; With the combination of major emergencies event knowledge graph and system dynamics method, the process of simulating the evolution of events is achieved from the perspective of knowledge.
Liu Yashu
,
Luan Yu
,
Zhou Honglei
,
Zhang Haitao
. Research on the Dynamic Evolution of Major Emergencies Based on Event Knowledge Graph[J]. Library and Information Service, 2022
, 66(10)
: 143
-151
.
DOI: 10.13266/j.issn.0252-3116.2022.10.013
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