Analysis of Time Series Features of COVID-19 in Various Countries based on Pedigree Clustering
XIE Conghui, WU Shixin, ZHANG Chen, SUN Wentao, HE Haifang, PEI Tao, LUO Geping
Journal of Geo-information Science . 2021, (2): 236 -245 .  DOI: 10.12082/dqxxkx.2021.200470