A New Stochastic Petri Net Modeling Approach for the Evolution of Online Public Opinion on Emergencies: Based on Four Real-Life Cases

被引：2

作者：

Guo, Chen ^{[1
,2
]}

Song, Yinghua ^{[1
]}

机构：

[1] Wuhan Univ Technol, Sch Safety Sci & Emergency Management, Wuhan 430070, Peoples R China

[2] Zhongyuan Univ Technol, Sch Econ & Management, Zhengzhou 450007, Peoples R China

来源：

SYSTEMS | 2024年 / 12卷 / 09期

关键词：

Stochastic Petri Net; public opinion on emergencies; Markov chain; life cycle theory;

D O I：

10.3390/systems12090333

中图分类号：

C [社会科学总论];

学科分类号：

03 ; 0303 ;

摘要：

In this study, we analyzed the evolution of online public opinion on emergencies using a new Stochastic Petri Net modeling approach. First, an intuitive description of the emergency online public opinion development process was conceptualized from the life cycle evolution law perspective. Then, based on Petri net theory, a Stochastic Petri Net isomorphic Markov chain model was constructed to simulate the evolution of online public opinion on emergencies. Finally, four real-life cases were selected to validate and analyze the model, demonstrating that the evolutionary leaps, complexity, critical nodes, evolutionary rate, and execution time differ across different online public opinions on emergencies. The study results indicate that this modeling approach has certain advantages in examining the evolution based on multi-factor coupling and quantifying the evolution law in online public opinion on emergencies.

引用

页数：24

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