Also, sorting by reviews is broken (in the sense of being useful). A product wit... | Hacker News

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FaceKicker on Dec 3, 2011 | parent | context | favorite | on: Google is Creating an Amazon Prime Competitor

Also, sorting by reviews is broken (in the sense of being useful). A product with a single rating of 5 stars should not be ranked above a product with 1000 five-star ratings and 1 four-star rating. It's a really easy problem to solve too...

r00fus on Dec 3, 2011 [–]

The silly thing is that IMDB figured out ranking in 1997 by using a beysian posterior mean: http://en.wikipedia.org/wiki/Internet_Movie_Database#Ranking...

(guess who has owned IMDB for over 10 years?)

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