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9 主题向量聚类结果
Fig. 9 Clustering results based on topic density vectors