基于主题模型的城市地块活动语义动态提取
肖锐,郭宇翔,李星华

Dynamic Semantic Extraction of Urban Blocks Activity based on Topic Model
Rui XIAO,Yuxiang GUO,Xinghua LI
图1 研究区2017年土地覆盖与及POI分布图
审图号:GS(2020)4619
Fig.1 2017 Land cover of study area and POI data distribution