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https://issues.apache.org/jira/browse/MAHOUT-1088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13466583#comment-13466583
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Hudson commented on MAHOUT-1088:
--------------------------------

Integrated in Mahout-Quality #1680 (See 
[https://builds.apache.org/job/Mahout-Quality/1680/])
    MAHOUT-1088 biased item-based recommender (Revision 1392101)

     Result = SUCCESS
ssc : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1392101
Files : 
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/impl/recommender/BiasedItemBasedRecommender.java

                
> biased item-based recommender
> -----------------------------
>
>                 Key: MAHOUT-1088
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1088
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Collaborative Filtering
>            Reporter: Sebastian Schelter
>            Assignee: Sean Owen
>         Attachments: MAHOUT-1088.patch
>
>
> user-item-baseline estimation offers a simple yet very effective to improve 
> the rating prediction of recommenders (see 
> http://dl.acm.org/citation.cfm?id=1644874 for details).
> We should offer an item-based recommender that incorporates this technique 

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