"BellKor's Pragmatic Chaos" awarded the NetFlix $1M Grand Prize on Sept 2009(netflixprize.com)
netflixprize.com
"BellKor's Pragmatic Chaos" awarded the NetFlix $1M Grand Prize on Sept 2009
http://www.netflixprize.com/community/viewtopic.php?id=1537
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Later the algorithm was not implemented: http://techblog.netflix.com/2012/04/netflix-recommendations-...