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The impact of COVID-19 on hotel customer satisfaction: evidence from Beijing and Shanghai in China 期刊论文
INTERNATIONAL JOURNAL OF CONTEMPORARY HOSPITALITY MANAGEMENT, 2021, 页码: 25
作者:  Sun, Shaolong;  Jiang, Fuxin;  Feng, Gengzhong;  Wang, Shouyang;  Zhang, Chengyuan
收藏  |  浏览/下载：128/0  |  提交时间：2022/04/02
COVID-19  Hotel reviews  Text mining  Word2vec  Cluster analysis  Topic model  
Dynamics and spreading speed of a reaction-diffusion system with advection modeling West Nile virus 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2021, 卷号: 493, 期号: 1, 页码: 24
作者:  Cheng, Chengcheng;  Zheng, Zuohuan
收藏  |  浏览/下载：165/0  |  提交时间：2021/01/14
West Nile virus  Advection  Free boundary  Basic reproduction number  Vanishing-spreading  Asymptotic spreading speed