突发公共卫生事件中公众健康信息需求主题与情感研究
Research on the Theme and Emotion of Public Health Information Demand in Public Health Emergencies
摘要: 根据百度知道上用户针对新冠疫情提出的健康信息需求主题演变、情感波动及其相关关系，为政府等部门针对性地发布健康信息和公众情绪疏导提供帮助。以百度知道上新冠肺炎相关问答记录文本为研究对象，运用多维尺度分析方法可视化呈现公众健康信息需求主题，基于时间视角分析健康信息需求演化模式及情感波动，用相关热力图可视化呈现需求主题和公众情感间的相关关系。突发公共卫生事件中公众健康信息需求层次鲜明、范围广泛，并且需求随时间推移波动明显但最终演化趋势相对集中；公众情感倾向整体呈中性，表现出先走向积极，而后走向消极的趋势，并且公众具体正负面情感随时间变化波动较大；公众健康信息需求与其正负面情感间存在一定的相关关系。
Abstract: According to Baidu knows users’ health information needs for COVID-19, the theme evolution, emo-tional fluctuations and their related relationships provide help for the government and other de-partments to release a health information and public emotional diversion in targeted. Taking Baidu know COVID-19 related Q & A; a recorded text as the research object, the multi-dimensional scale analysis method is used to visualize the theme of public health information needs, analyze the evo-lution mode of health information needs and emotional fluctuations from the perspective of time, and visualize the correlation between the theme of needs and public emotions with the relevant heat map. In public health emergencies, the demand for public health information is clear-cut and wide-ranging, and the demand fluctuates significantly over time, but the final evolution trend is relatively concentrated; the public emotional tendency is neutral as a whole, showing a tendency to move first to positive and then to negative, and the specific positive and negative emotions of the public fluctuate greatly with time; there is a certain correlation between public health information needs and their positive and negative emotions.
文章引用：钱小敏, 夏志杰. 突发公共卫生事件中公众健康信息需求主题与情感研究[J]. 应用数学进展, 2022, 11(11): 8377-8392. https://doi.org/10.12677/AAM.2022.1111886

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