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https://issues.apache.org/jira/browse/MAHOUT-103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12776939#action_12776939
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Ankur commented on MAHOUT-103:
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>Re-post an updated patch ....
Sure I'll have the updated code coming by early next week.
>If it's basically sound I'd like to mention it ....
+10, The more people know about it the better chances it has of being used :-)
>I use the GroupLens, Jester, Netflix data sets regularly. Indeed, just drop
>the rating ...
Simply dropping the rating might introduce too much noise. I was thinking of
keeoing only those that have ratings > 2.5 (or 2 to be more liberal).
> Co-occurence based nearest neighbourhood
> ----------------------------------------
>
> Key: MAHOUT-103
> URL: https://issues.apache.org/jira/browse/MAHOUT-103
> Project: Mahout
> Issue Type: New Feature
> Components: Collaborative Filtering
> Reporter: Ankur
> Assignee: Ankur
> Attachments: jira-103.patch
>
>
> Nearest neighborhood type queries for users/items can be answered efficiently
> and effectively by analyzing the co-occurrence model of a user/item w.r.t
> another. This patch aims at providing an implementation for answering such
> queries based upon simple co-occurrence counts.
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