Chengda Zheng

Twitter Discussions and Emotions About the COVID-19 Pandemic: Machine Learning Approach

Chen Chen, Tingshao Zhu, Junxiang Chen, 2020, Journal of medical Internet research.

Public discourse and sentiment during the COVID 19 pandemic: Using Latent Dirichlet Allocation for topic modeling on Twitter

Chen Chen, Tingshao Zhu, Jia Xue, 2020, PloS one.