Evolution and governance of online public opinion during COVID-19: a hybrid approach using communication visualization, SIR modeling, and simulation validation

IF 1.9 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Frontiers in Physics Pub Date : 2024-09-09 DOI:10.3389/fphy.2024.1462089
Lin Ren, Jiehua Zhang, Zhongyue Su, Fujun Lai, Deping Xiong
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Abstract

IntroductionThis study investigates the mechanisms of public opinion dissemination and governance strategies during public health events, using a two-stage SIR model informed by the Information Cascade Theory.MethodsThe research employs Gephi visual analysis to identify principal nodes of public opinion and combines model simulations with dynamic propagation analysis to verify the model's precision and applicability.ResultsThe findings reveal that pivotal information nodes significantly accelerate the spread of public opinion, while ordinary nodes contribute to the natural attenuation of public discourse due to their strong spontaneous recovery capabilities. The simulation analysis further identifies the optimal timing for government intervention, particularly during the initial and peak phases of public opinion dissemination.DiscussionBased on the results, the study recommends strategies to strengthen the management of key opinion nodes, enhance public information literacy, optimize policy implementation, and utilize simulation tools to assist in public opinion management. These recommendations offer valuable theoretical and practical insights for managing public opinion during public health events.
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COVID-19 期间网络舆论的演变与治理:使用传播可视化、SIR 建模和模拟验证的混合方法
引言本研究以信息级联理论为基础,利用两阶段SIR模型研究公共卫生事件中的舆情传播机制和治理策略。研究方法本研究采用Gephi可视化分析方法识别舆情的主要节点,并结合模型模拟和动态传播分析验证模型的精确性和适用性。模拟分析进一步确定了政府干预的最佳时机,尤其是在舆情传播的初始阶段和高峰阶段。讨论基于研究结果,本研究提出了加强关键舆情节点管理、提高公众信息素养、优化政策执行以及利用模拟工具协助舆情管理的策略建议。这些建议为公共卫生事件中的舆情管理提供了宝贵的理论和实践启示。
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来源期刊
Frontiers in Physics
Frontiers in Physics Mathematics-Mathematical Physics
CiteScore
4.50
自引率
6.50%
发文量
1215
审稿时长
12 weeks
期刊介绍: Frontiers in Physics publishes rigorously peer-reviewed research across the entire field, from experimental, to computational and theoretical physics. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, engineers and the public worldwide.
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