新冠肺炎疫情期间微博话题“中医新冠肺炎”的关注热点分析——基于LDA模型的微博主题挖掘

Analysis of the Hot Spots of the Weibo Topic “TCM COVID-19” during the Epidemic of COVID-19——Microblog Topic Mining Based on LDA Model

目的:通过LDA模型挖掘的新型冠状病毒肺炎疫情期间微博对"中医新冠肺炎"关注热点的分析,了解社会公众网络对中医科学内涵的认识程度,暴露中医发展的潜在威胁,防止异化和走偏。方法:测试选取#中医新冠#为话题标签,以通过网络爬虫技术采集的40712条微博数据作为研究对象,对高关注度微博进行编码和内容分析,对低关注度微博进行LDA主题建模。结果:发表微博的用户分布中认证用户达到13234位,占总用户的53.24%;高关注热点话题可分为正能量传递类、养身保健类、诊疗方案类、中医文化探讨类、数据报道类;LDA模型挖掘到的隐含主题包括中医传承、公益行动、中医骗局、药品宣传、诊疗方案五大类别。结论:通过LDA模型挖掘新冠肺炎疫情期间微博话题"中医新冠肺炎"的关注热点,揭示出疫情中中医医疗救治能力和发挥维护社会稳定的重要作用受到网络公众的广泛肯定,但也在一定程度上暴露出中医传承的困境和公众对中医药的信任危机。

Objective:To explore the hot spots of public attention on"TCM COVID-19"on weibo during the epidemic of COVID-19,to understand the public network’s understanding of the scientific connotation of TCM,expose the potential threats to the development of TCM,and prevent alienation and deviation.Methods:In the test,the hashtag#TCM COVID-19#was selected as the topic tag,and 40712 pieces of microblog data collected by web crawler technology were taken as the research object,coding and content analysis were carried out on high-concern microblog,and LDA topic modeling was carried out on low-concern microblog.Results:In the distribution of weibo users,the number of verified users reached 13,234,accounting for 53.24%of the total users.Hot topics of high concern can be divided into Positive energy transfer,health care,diagnosis and treatment plan and the discussion of TCM culture.The implied themes of LDA model include five categories:TCM inheritance,public welfare action,drug publicity and treatment plan.Conclusion:The LDA model was used to explore the hot topic of"TCM COVID-19"on weibo during the epidemic of COVID-19,revealing that the ability of Chinese medicine medical treatment and the important role of maintaining social stability in the epidemic were widely recognized by the online public,but it also exposed the difficulties in the inheritance of Chinese medicine and the crisis of public trust in Chinese medicine to some extent.