How the Netflix Prize Was Won…

October 14th, 2009 by andi Leave a reply »

Not surprisingly <G>, Wired has an interesting follow up story on how the Netflix prize was won – and notes real progress was made in the contest’s goal to improve the Netflix movie recommendation algorithm by 10 percent only after the leaders joined forces with members of some of the also-ran teams.

The post is a very interesting read, and includes an equation from Yehuda Koren’s prize-winning documentation which shows the winning team adding a third set of movie-movie weights, and emphasis on adjacent ratings made by a user:

bellmath-300x130

Read the full store here.

Life is a series of experiences, each one of which makes us bigger, even though sometimes it is hard to realize this. For the world was built to develop character, and we must learn that the setbacks and grieves which we endure help us in our marching onward.

- Henry Ford

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