Study on the Spatial and Temporal Characteristics of Weibo Users’ Online Shopping Festival Concerns: A Case Study of “Double 11 Shopping Carnival”Geer Teng, Jia Liu, Lijun Wen, Yue He and Xiaoyi JiangE3S Web Conf., 409 (2023) 03005DOI: https://doi.org/10.1051/e3sconf/202340903005