Tags: GIS

  • GeoIP Geographic Reverse Lookup Optimization

    July 07, 2018 in PostgreSQL

    GeoIP Geographic Reverse Lookup Optimization

    A common requirement in application development is GeoIP conversion - converting source IP addresses to geographic coordinates or administrative divisions (country-state-city-county-town-village)

    A common requirement in application development is GeoIP conversion - converting source IP addresses to geographic coordinates or administrative divisions (country-state-city-county-town-village)

  • KNN Ultimate Optimization: From RDS to PostGIS

    June 06, 2018 in PostgreSQL

    KNN Ultimate Optimization: From RDS to PostGIS

    Ultimate optimization of KNN problems, from traditional relational design to PostGIS

    Ultimate optimization of KNN problems, from traditional relational design to PostGIS

  • Efficient Administrative Region Lookup with PostGIS

    June 06, 2018 in PostgreSQL

    Efficient Administrative Region Lookup with PostGIS

    How to efficiently solve the typical reverse geocoding problem: determining administrative regions based on user coordinates.

    How to efficiently solve the typical reverse geocoding problem: determining administrative regions based on user coordinates.