Zhao, Zhiheng; Zhong, Ray Y.; Kuo, Yong-Hong; Fu, Yelin; … - In: Industrial Management & Data Systems 121 (2021) 5, pp. 1082-1106
Purpose: Physical gatherings at social events have been found as one of the main causes of COVID-19 transmission all over the world. Smartphone has been used for contact tracing by exchanging messages through Bluetooth signals. However, recent confirmed cases found in venues indicated that...