POI (Point of Interest)

POI (Point of Interest)

A1. GeoHash

A2. K-D Tree

A3. Space-filling Curve

Spatial Indexing

Quadtree

Hilbert Curves

Yelp: find nearest restaurants/...etc  baes on the location of user (Given longitude and latitude also a radius)

 

posted @ 2020-03-12 13:55  YBgnAW  阅读(484)  评论(0)    收藏  举报