Fig. 1: Urban spatial network structure research system framework.
From: Flow space reveals the urban network structure and development mode of cities in Liaoning, China

Based on multivariate data, in which population flow is the basis, logistics is the carrier, fund flow is the engine, and information flow is the booster, this paper studies the urban spatial structure, spatial network pattern and development mode of Liaoning Province in China by using multivariate data flow and adopting the methods such as quantitative geography and geographic information science.