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https://issues.apache.org/jira/browse/MAHOUT-1087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Schelter resolved MAHOUT-1087.
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Resolution: Fixed
> ExpectationMaximizationSVDFactorizer doesn't do expectation maximization
> ------------------------------------------------------------------------
>
> Key: MAHOUT-1087
> URL: https://issues.apache.org/jira/browse/MAHOUT-1087
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Reporter: Sebastian Schelter
> Assignee: Sean Owen
>
> This factorizer simply learns the user and item features via SGD as described
> in Simon Funk's famous blogpost, which is not expectation maximization, so I
> suggest we rename it to FunkSVD.
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