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https://issues.apache.org/jira/browse/MAHOUT-340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12849671#action_12849671
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Hui Wen Han commented on MAHOUT-340:
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I used long type as the user_id and item_id ,
it can not parse the input format when run the ItemBigramGenerator job.
> org.apache.mahout.cf.taste.hadoop.cooccurence can not support long as user_id
> and item_id
> -----------------------------------------------------------------------------------------
>
> Key: MAHOUT-340
> URL: https://issues.apache.org/jira/browse/MAHOUT-340
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Affects Versions: 0.3
> Reporter: Hui Wen Han
> Fix For: 0.4
>
>
> I have preferences data using long as user_id and item_id,
> hadoop cooccurence arithmetic can not support it
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