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https://issues.apache.org/jira/browse/MAHOUT-609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13215193#comment-13215193
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Dan Brickley commented on MAHOUT-609:
-------------------------------------
Which of these does it work with?
TellyClub:trunk danbri$ grep RecommenderJob src/conf/*
src/conf/driver.classes.props:org.apache.mahout.cf.taste.hadoop.item.RecommenderJob
= recommenditembased : Compute recommendations using item-based collaborative
filtering
src/conf/driver.classes.props:org.apache.mahout.cf.taste.hadoop.als.RecommenderJob
= recommendfactorized : Compute recommendations using the factorization of a
rating matrix
looking at ...
patching file
core/src/main/java/org/apache/mahout/cf/taste/hadoop/similarity/item/ItemSimilarityJob.java
patching file
core/src/main/java/org/apache/mahout/cf/taste/hadoop/item/RecommenderJob.java
... is it safe to assume it affects only behaviour of 'recommenditembased'
task, and not 'recommendfactorized'? Could it work with both easily?
> 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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