N
map
upload
bga-class vector
broad text
voronoi k-order neighbors
google earth
Broad Text Annotation
google map
Baidu Map
Broad text Annotation Classification
exist similary bgas in region？
k=k+1
Refuse add to map
placement assessement
Y
User/Enterprise
classification
Spatial Autocorrelation？
Mobile GIS
compute weight matrix
classifier
Webgis Platfrom
features extraction
pre-processing
Amap
bulid Regression region
broad text corpus
location
Placement Assessement
OpenStreetMap
data utilization
