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Evolution Analysis of Societal Risk Events by Risk Maps 期刊论文
JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING, 2020, 页码: 14
Authors:  Xu, Nuo;  Tang, Xijin
Favorite  |  View/Download:75/0  |  Submit date:2020/09/23
Risk maps  evolution analysis  Baidu hot news search words  societal risk events  
基于百度热搜新闻词的社会风险事件5W提取研究 期刊论文
系统工程理论与实践, 2020, 卷号: 40, 期号: 2, 页码: 334-342
Authors:  许诺;  唐锡晋
Favorite  |  View/Download:54/0  |  Submit date:2021/01/14
societal risk events  hot news search words  5W  CRFs  risk-labeled keywords  热搜新闻词  社会风险事件  5W  条件随机场  风险主题词