Research on the Fluctuation Characteristics of Social Media Message Sentiment with Time Before and During the COVID-19 Epidemic.

Chaohui Guo Shaofu Lin Zhisheng Huang Chengyu Shi Yahong Yao Research on the Fluctuation Characteristics of Social Media Message Sentiment with Time Before and During the COVID-19 Epidemic. 3-14 2021 HIS https://doi.org/10.1007/978-3-030-90885-0_1 conf/his2/2021 db/conf/his2/his2021.html#GuoLHSY21