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Posted to dev@mahout.apache.org by "Hudson (Commented) (JIRA)" <ji...@apache.org> on 2011/12/02 18:59:40 UTC

[jira] [Commented] (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=13161752#comment-13161752 ] 

Hudson commented on MAHOUT-910:
-------------------------------

Integrated in Mahout-Quality #1217 (See [https://builds.apache.org/job/Mahout-Quality/1217/])
    MAHOUT-910 prelude: commit some clear wins in optimizing calls to intersectionSize()

srowen : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1209577
Files : 
* /mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/impl/model/GenericBooleanPrefDataModel.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/impl/similarity/TanimotoCoefficientSimilarity.java
* /mahout/trunk/integration/src/main/java/org/apache/mahout/cf/taste/impl/model/cassandra/CassandraDataModel.java

                
> 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
>
>
> Per the lengthy discussion on the mailing list about optimizing SamplingCandidateItemStrategy and related code, I'm opening this placeholder issue.

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