Luo, Ji; Wang, Yahua; Li, Guangqin - In: Journal of innovation & knowledge : JIK 8 (2023) 1, pp. 1-13
twin cities (Chengdu-Chongqing) in China, this paper uses machine learning methods (linear model, support vector machines … asymmetric in twin cities. (2) For the city with a later-higher administrative hierarchy (LHC, Chongqing in this case), the … Chongqing) and then becomes positive. (3) For the city with an initially higher administrative hierarchy (IHC, Chengdu in this …