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https://issues.apache.org/jira/browse/SPARK-18082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16623832#comment-16623832
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Sean Owen commented on SPARK-18082:
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>From the linked JIRA, is this talking about LSH that approximates cosine
>similarity? That's already what the random projection implementation does. Is
>this obsolete / a duplicate?
> Locality Sensitive Hashing (LSH) - SignRandomProjection
> -------------------------------------------------------
>
> Key: SPARK-18082
> URL: https://issues.apache.org/jira/browse/SPARK-18082
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Reporter: Joseph K. Bradley
> Assignee: Yun Ni
> Priority: Minor
>
> See linked JIRA for original LSH for details
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