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https://issues.apache.org/jira/browse/SPARK-18454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15874956#comment-15874956
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Yun Ni commented on SPARK-18454:
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[~josephkb] [~sethah] [~mlnick] I opened a gDoc for discussions. Feel free to
make comments and add any new sections:
https://docs.google.com/document/d/1opWy2ohXaDWjamV8iC0NKbaZL9JsjZCix2Av5SS3D9g/edit
> Changes to improve Nearest Neighbor Search for LSH
> --------------------------------------------------
>
> Key: SPARK-18454
> URL: https://issues.apache.org/jira/browse/SPARK-18454
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Yun Ni
>
> We all agree to do the following improvement to Multi-Probe NN Search:
> (1) Use approxQuantile to get the {{hashDistance}} threshold instead of doing
> full sort on the whole dataset
> Currently we are still discussing the following:
> (1) What {{hashDistance}} (or Probing Sequence) we should use for {{MinHash}}
> (2) What are the issues and how we should change the current Nearest Neighbor
> implementation
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