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https://issues.apache.org/jira/browse/MAHOUT-463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12897585#action_12897585
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Sebastian Schelter commented on MAHOUT-463:
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Attached a patch that provides a unit test for recommending from boolean input
data and correctly excludes already known items in this case.
Hui, if you apply the patch and have a look a
org.apache.mahout.cf.taste.hadoop.item.RecommenderJobTest.testCompleteJobBoolean()
you should see that boolean recommendations work.
Maybe there's something with your input data?
> Boolean Data can not get any recommendation by running RecommnenderJob
> ----------------------------------------------------------------------
>
> Key: MAHOUT-463
> URL: https://issues.apache.org/jira/browse/MAHOUT-463
> Project: Mahout
> Issue Type: Test
> Components: Collaborative Filtering
> Affects Versions: 0.4
> Reporter: Hui Wen Han
> Fix For: 0.4
>
> Attachments: MAHOUT-463.patch
>
>
> Boolean Preference Data can not get any recommendation by run RecommnenderJob,
> but It can get data using the build in about Aprl.
> It seems that it can not get any data by running RowSimilarityJob
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