Shi, J., Li, W., Yang, Y., Yao, N., Bai, Q., Yongchareon, S., & Yu, J. (2021). Automated concern exploration in pandemic situations-Covid-19 as a use case. In Knowledge Management and Acquisition for Intelligent Systems: 17th Pacific Rim Knowledge Acquisition Workshop, PKAW 2020, Yokohama, Japan, January 7–8, 2021, Proceedings 17 (pp. 178-185). Springer International Publishing.