突发公共卫生事件微博舆情主题挖掘与演化分析

曹树金　岳文玉

Topic Mining and Evolution Analysis of Public Opinion on Microblog of Public Health Emergencies

Cao Shujin　Yue Wenyu

信息资源管理学报 . 2020, (6): 28 -37 . DOI: 10.13365/j.jirm.2020.06.028