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https://issues.apache.org/jira/browse/MAHOUT-861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142154#comment-13142154
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Hudson commented on MAHOUT-861:
-------------------------------
Integrated in Mahout-Quality #1135 (See
[https://builds.apache.org/job/Mahout-Quality/1135/])
MAHOUT-861 Simultaneously update left and right vectors while training
ExpectationMaximizationSVDFactorizer
ssc : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1196517
Files :
*
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/impl/recommender/svd/ExpectationMaximizationSVDFactorizer.java
> 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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