Julie Tibshirani created LUCENE-8952:
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             Summary: Use a sort key instead of true distance in 
NearestNeighbors.
                 Key: LUCENE-8952
                 URL: https://issues.apache.org/jira/browse/LUCENE-8952
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Julie Tibshirani


The NearestNeighbors class contains a TODO to switch to 
SloppyMath.haversinSortKey when comparing candidate nearest neighbors. This 
change is not high priority, but could be a nice way to get more familiar with 
the kNN search implementation.



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