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https://issues.apache.org/jira/browse/MAHOUT-389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Schelter updated MAHOUT-389:
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Attachment: MAHOUT-389-2.patch
There might be cases where it makes sense to look not
>
> What you're doing now bottlenecks in the last bit where you output for
> each user some data for every pair of items. That's coarsely U *
> (P/U)^2 = U*P^2 output. I think that P^2 is killer.
>
> Double-check my thinking but if you like it I think I can
> significa
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https://issues.apache.org/jira/browse/MAHOUT-387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Schelter updated MAHOUT-387:
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Status: Patch Available (was: Open)
> Cosine item similarity implementat
Reporter: Sebastian Schelter
Attachments: MAHOUT-387.patch
I needed to compute the cosine similarity between two items when running
org.apache.mahout.cf.taste.hadoop.pseudo.RecommenderJob, I couldn't find an
implementation (did I overlook it maybe?) so I created my own. I wa
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https://issues.apache.org/jira/browse/MAHOUT-387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Schelter updated MAHOUT-387:
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Attachment: MAHOUT-387.patch
> Cosine item similarity implementat
