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MIT Research News

December 11, 2017

Try this! Researchers devise better recommendation algorithm

Improved recommendation algorithm should work especially well when ratings data are “sparse.”

Larry Hardesty | MIT News Office

The recommendation systems at websites such as Amazon and Netflix use a technique called “collaborative filtering.” To determine what products a given customer might like, they look for other customers who have assigned similar ratings to a similar range of products, and extrapolate from there.