在新浪微博上探索食品安全紧急事件:使用文本挖掘和情绪演变
1School of Economics and Management, China University of Mining and Technology, Xuzhou 221116, PR China; School of Business, Wuxi Tai hu University, Wuxi 214122, PR China.
Journal of food protection
|November 28, 2024
概括
社交媒体显著塑造了公众对食品安全事件的看法. 分析在线话语揭示了食品安全危机期间传播的公众情绪和信息.
科学领域:
- 食品安全研究 食品安全研究
- 公共卫生沟通公共卫生沟通
- 社交媒体分析
背景情况:
- 食品安全对于公众健康和社会稳定至关重要.
- 社交媒体极大地影响了公众对食品安全的看法和信息传播.
- 了解在线公共话语对于危机管理至关重要.
研究的目的:
- 为了分析"老鼠头子"事件的社交媒体数据.
- 调查在线公共话语如何塑造对食品安全事件的看法.
- 为决策者和企业领导人提供有关应对危机的见解.
主要方法:
- 通过自定义的网络爬虫收集数据.
- 使用BERT-TextCNN和BERTopic模型进行情绪和主题分析.
- 网络分析信息传播和公众论的转变使用Gephi.
主要成果:
- 识别了与食品安全事件相关的公众情绪和担忧.
- 绘制了信息的传播和在线公众论的转变.
- 展示了社交媒体对食品安全事件感知的影响.
结论:
- 在线公众情绪在食品安全事件的传播中起着关键作用.
- 创新方法有助于人们更好地了解公众对食品安全危机的反应.
- 调查结果为数字时代的危机管理提供了宝贵的前景.
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