基于多源数据的城市功能区精细化研究——以北京为例

杨振山, 苏锦华, 杨航, 赵永宏

ng urban functional areas based on multi-source data: A case study of Beijing

YANG Zhenshan, SU Jinhua, YANG Hang, ZHAO Yonghong

图3 功能区中各类POI分布相关性

Fig. 3 Correlation of POIs by types in the functional area