Comment Comment by thesystemis there's actually no backend! the matching is done client side.here's a technical write up:https://developers.google.com/web/showcase/2016/land-linesthe trick for making it fast is vantage point trees (https://en.wikipedia.org/wiki/Vantage-point_tree) which help with nearest neighbor searching through extremely large data sets. parent thesystemis 9 years ago
here's a technical write up:
https://developers.google.com/web/showcase/2016/land-lines
the trick for making it fast is vantage point trees (https://en.wikipedia.org/wiki/Vantage-point_tree) which help with nearest neighbor searching through extremely large data sets.