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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAHOUT-570) Make the retrieval of candidate items for the most-similar-items computation customizable
Date Sun, 02 Jan 2011 12:32:45 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12976505#action_12976505
] 

Hudson commented on MAHOUT-570:
-------------------------------

Integrated in Mahout-Quality #533 (See [https://hudson.apache.org/hudson/job/Mahout-Quality/533/])
    MAHOUT-570 Make the retrieval of candidate items for the most-similar-items computation
customizable


> Make the retrieval of candidate items for the most-similar-items computation customizable
> -----------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-570
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-570
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Collaborative Filtering
>    Affects Versions: 0.5
>            Reporter: Sebastian Schelter
>             Fix For: 0.5
>
>         Attachments: MAHOUT-570.patch
>
>
> When retrieving the initial set of possibly similar items in GenericItemBasedRecommender.doMostSimilarItems(...)
only co-occurring items are selected. We need an exchangable strategy (similar to the existing
CandidateItemsStrategy) in order to make this behavior customizable.

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