Study on the Impact of Urban Rail Transit on Tourism Economy in Guangdong Based on Urban Functional Network ModelDu Kangsheng, Huang Xiang, Luo Weitao, Meng Yingying, Zhou Yanjun and Li HanweiE3S Web Conf., 283 (2021) 02047DOI: https://doi.org/10.1051/e3sconf/202128302047