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Posted to issues@madlib.apache.org by "Frank McQuillan (JIRA)" <ji...@apache.org> on 2019/02/21 01:18:00 UTC

[jira] [Closed] (MADLIB-1293) Additional computation methods for k-NN - kd tree v2

     [ https://issues.apache.org/jira/browse/MADLIB-1293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Frank McQuillan closed MADLIB-1293.
-----------------------------------
    Resolution: Fixed

> Additional computation methods for k-NN - kd tree v2
> ----------------------------------------------------
>
>                 Key: MADLIB-1293
>                 URL: https://issues.apache.org/jira/browse/MADLIB-1293
>             Project: Apache MADlib
>          Issue Type: New Feature
>          Components: k-NN
>            Reporter: Frank McQuillan
>            Assignee: Orhan Kislal
>            Priority: Major
>              Labels: starter
>             Fix For: v1.16
>
>
> Follow on to
> https://issues.apache.org/jira/browse/MADLIB-1061
> which uses a basic kd-tree implementation at the leaf node level.
> This JIRA is to improve upon the basic K-D tree and add backtracking or other methods to increase accuracy.  This is an approximate method that will run faster than brute-force, ideally for #dims up to 20-30.



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