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[System Design] H3 Geospatial Indexing: How Uber Finds Nearby Drivers with Hexagonal Spatial Index

The Problem: Finding a Needle in a Haystack Answer-first: Uber and Grab find the nearest available driver in under 100ms by dividing the Earth's surfa…

systemdesign architecture database geospatial

A search engine for places that look alike

I open sourced Similar Earth , a tool that lets you drop a pin anywhere on the planet and find every other place that looks like it. Drop a pin on a v…

geospatial opensource go architecture