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https://issues.apache.org/jira/browse/MAHOUT-103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12776921#action_12776921
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Sean Owen commented on MAHOUT-103:
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Re-post an updated patch and happy to give my comments on it. The more the
merrier. If it's basically sound I'd like to mention it in the forthcoming book
which I'm writing now.
I use the GroupLens, Jester, Netflix data sets regularly. Indeed, just drop the
rating. The framework can do this automatically too if you like in the
DataModel.
> 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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