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Posted to dev@mahout.apache.org by "Bala Rajagopal (Commented) (JIRA)" <ji...@apache.org> on 2012/03/05 21:03:59 UTC

[jira] [Commented] (MAHOUT-609) Add an option to make RecommenderJob write out it's computed item similarities

    [ https://issues.apache.org/jira/browse/MAHOUT-609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222569#comment-13222569 ] 

Bala Rajagopal commented on MAHOUT-609:
---------------------------------------

Yes, the current patch works only for the recommendeditembased task. Looking at the ticket description, I assumed that the RecommenderJob in context is the org.apache.mahout.cf.taste.hadoop.item.RecommenderJob (recommendeditembased task) and not the als.RecommenderJob. We had a requirement that met the ticket description, hence we made the changes and submitted it as a patch. I would assume that a new ticket will be created (in the future) when there is a need to extend this functionality to the recommendfactorized task.
                
> Add an option to make RecommenderJob write out it's computed item similarities
> ------------------------------------------------------------------------------
>
>                 Key: MAHOUT-609
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-609
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Collaborative Filtering
>    Affects Versions: Backlog
>            Reporter: Sebastian Schelter
>            Assignee: Raphael Cendrillon
>              Labels: patch
>             Fix For: Backlog
>
>         Attachments: MAHOUT-609.patch
>
>
> As RecommenderJob already includes the computation of similar items, we should an add option that makes it write out those similar items in the same format as ItemSimilarityJob does, so that users interested in both recommendations and similar items do not have to run two jobs.

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