How Not To Sort By Average Rating
By Evan Miller February 6, 2009 (Changes) Translations: Dutch Estonian German Russian Ukrainian PROBLEM: You are a web programmer. You have users. Your users rate stuff on your site. You want to put the highest-rated stuff at the top and lowest-rated at the bottom. You need some sort of “score” to sort by. WRONG SOLUTION #1: Score = (Positive ratings) − (Negative ratings) Why it is wrong: Supp
FALCONN: Similarity Search Over High-Dimensional Data
FALCONN (FAst Lookups of Cosine and Other Nearest Neighbors) is a C++ library with a Python wrapper for similarity search over high-dimensional data. It supports cosine similarity and the Euclidean distance. The main ingredient of FALCONN is a Locality-Sensitive Hashing family for cosine similarity that is: Optimal in theory,Fast in practice. See the github repo for the source code and documentati
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