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Posted to dev@mahout.apache.org by "Daniel Zohar (Issue Comment Edited) (JIRA)" <ji...@apache.org> on 2011/12/07 09:50:40 UTC
[jira] [Issue Comment Edited] (MAHOUT-910) Improve sampling in
SamplingCandidateItemStrategy, optimize intersection computations
[ https://issues.apache.org/jira/browse/MAHOUT-910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13164227#comment-13164227 ]
Daniel Zohar edited comment on MAHOUT-910 at 12/7/11 8:50 AM:
--------------------------------------------------------------
I think the latest implementation looks great. It gives very fine control over the sampling.
However I do have to agree with Ted. In my code, I had to create a hack for users with few items. Otherwise they would get very little to no recommendations.
was (Author: danielz):
I think the latest implementation looks great. It gives very fine control over the sampling.
However I do have to agree with Ted. In my code, I had to create a hack for users with few items. Otherwise I would get very little to no recommendations.
> Improve sampling in SamplingCandidateItemStrategy, optimize intersection computations
> -------------------------------------------------------------------------------------
>
> Key: MAHOUT-910
> URL: https://issues.apache.org/jira/browse/MAHOUT-910
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Affects Versions: 0.5
> Reporter: Sean Owen
> Assignee: Sean Owen
> Fix For: 0.6
>
> Attachments: MAHOUT-910.patch, MAHOUT-910.patch, MAHOUT-910.patch, SamplingCandidateItemsStrategy.java
>
>
> Per the lengthy discussion on the mailing list about optimizing SamplingCandidateItemStrategy and related code, I'm opening this placeholder issue.
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