1. Comparing tweet sentiments in megacities using machine learning techniques: In the midst of COVID-19. (September 2021) Authors: Yao, Zhirui; Yang, Junyan; Liu, Jialin; Keith, Michael; Guan, ChengHe Journal: Cities Issue: Volume 116(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗