Data Sourcing & Curation

Layer 4 · Foundations

Data Sourcing & Curation

The math of Jaccard estimation and MinHash collision probability, the LSH threshold curve, and hardware reality of running this at trillions of tokens.

14 min read180 XP

Why MinHash's minimum-hash trick estimates Jaccard similarity

For two sets and (here, shingle sets from two documents), Jaccard similarity is: