This is the program for the 2010 Joint Statistical Meetings in Vancouver, British Columbia.

Abstract Details

Activity Number: 211
Type: Invited
Date/Time: Monday, August 2, 2010 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistical Computing
Abstract - #306126
Title: The Netflix Prize Story: Methods and Madness
Author(s): Chris Volinsky*+ and Robert Bell
Companies: AT&T Labs - Research and AT&T Labs - Research
Address: AT&T Shannon Laboratory, Florham Park, NJ, 07932, USA
Keywords: collaborative filtering ; ensembles ; crowdsourcing

In October 2006, Netflix released a data set 100 million movie ratings as part of a $1 million dollar competition to improve their online system for recommending movies. The competition generated rabid interest from parts of the statistics and data mining communities.

Three years later, the competition ended and the prize awarded to a multinational team of researchers who had mostly never met each other. This talk is from a member of that team, and will document some of the stories along the way: new methodologies for collaborative filtering, strategies for ensembles of models, optimizing team collaborations, and the overall role of contests and crowdsourcing for science.

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Authors who are presenting talks have a * after their name.

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