Research on the Construction of the Event Evolution Graph of UGC of Network Public Opinions For Major Emergencies——Taking the Natural Disaster 7·20 Torrential Rain in Henan as an Example
Wang Xiwei, Wang Xiaotian, Li Yueqi
Library and Information Service ›› 2022, Vol. 66 ›› Issue (16) : 13-23.
Research on the Construction of the Event Evolution Graph of UGC of Network Public Opinions For Major Emergencies——Taking the Natural Disaster 7·20 Torrential Rain in Henan as an Example
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