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Posted to dev@mahout.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2010/07/05 14:02:51 UTC
[jira] Resolved: (MAHOUT-432) Can add one parameter --itemsFile for
org.apache.mahout.cf.taste.hadoop.item.RecommenderJob
[ https://issues.apache.org/jira/browse/MAHOUT-432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved MAHOUT-432.
------------------------------
Resolution: Fixed
Looks good except that I think you don't want to return when the item is not recommendable. Then nothing would be recommended.
> Can add one parameter --itemsFile for org.apache.mahout.cf.taste.hadoop.item.RecommenderJob
> --------------------------------------------------------------------------------------------
>
> Key: MAHOUT-432
> URL: https://issues.apache.org/jira/browse/MAHOUT-432
> Project: Mahout
> Issue Type: New Feature
> Components: Collaborative Filtering
> Affects Versions: 0.4
> Reporter: Hui Wen Han
> Assignee: Sean Owen
> Priority: Minor
> Fix For: 0.4
>
> Attachments: mahout_patch_2010075.txt
>
>
> Can add one parameter --itemsFile for org.apache.mahout.cf.taste.hadoop.item.RecommenderJob ?
> --itemsFile some likes the the --usersFile.
> in some case, we want to calculate similarity using all preferences data ,
> but some item in preferences are old ,not available,behind the times or retired ,
> we want that those data can not recommend to users, can only recommend user with new or valid items.
> so we can add on paramete --itemsFile for RecommenderJob, itemsFile includes all the new valid items.
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