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Posted to dev@mahout.apache.org by "Sebastian Schelter (Assigned) (JIRA)" <ji...@apache.org> on 2011/11/02 10:33:32 UTC

[jira] [Assigned] (MAHOUT-861) Simultaneously update left and right vectors while training ExpectationMaximizationSVDFactorizer

     [ https://issues.apache.org/jira/browse/MAHOUT-861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebastian Schelter reassigned MAHOUT-861:
-----------------------------------------

    Assignee: Sebastian Schelter  (was: Sean Owen)
    
> Simultaneously update left and right vectors while training ExpectationMaximizationSVDFactorizer
> ------------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-861
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-861
>             Project: Mahout
>          Issue Type: Bug
>          Components: Collaborative Filtering
>    Affects Versions: 0.6
>            Reporter: Gokhan Capan
>            Assignee: Sebastian Schelter
>            Priority: Minor
>             Fix For: 0.6
>
>         Attachments: MAHOUT-861.patch
>
>
> I guess the updates on left and right vectors in ExpectationMaximizationSVDFactorizer#train(int i, int j, int f, SVDPreference pref) should be done simultaneously according to the original algorithm (http://sifter.org/~simon/journal/20061211.html)

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