I didn't think that would be an obscure data structure, but Locality-sensitive hashing [1] helps in so many cases. Like nearest neighbour search, collision dete

I didn't think that would be an obscure data structure, but Locality-sensitive hashing [1] helps in so many cases. Like nearest neighbour search, collision detection, etc. [1]: https://en.wikipedia.org/wiki/Locality-sensitive_hashing https://en.wikipedia.org/wiki/Locality-sensitive_hashing