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https://issues.apache.org/jira/browse/LUCENE-7913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16097838#comment-16097838
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Michael McCandless commented on LUCENE-7913:
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There is already a nearest neighbors query in Lucene's sandbox module for
lat/lon (2D) points, accessible from {{LatLonPoint.nearest}}; maybe that could
be adapted to more general Euclidean distance for N dimensional points?
> Add oal.search.PointNearestNeighborsQuery and
> oal.document.*Point.newNearestNeighborsQuery()
> --------------------------------------------------------------------------------------------
>
> Key: LUCENE-7913
> URL: https://issues.apache.org/jira/browse/LUCENE-7913
> Project: Lucene - Core
> Issue Type: Improvement
> Affects Versions: 6.6
> Reporter: Eric R Hartford
> Assignee: Michael McCandless
> Priority: Minor
>
> Multidimensional points have a range query but they don't have a nearest
> neighbors query.
> Requesting oal.search.PointNearestNeighborsQuery and
> oal.document.*Point.newNearestNeighborsQuery()
> http://www.alglib.net/other/nearestneighbors.php
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