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Posted to dev@lucene.apache.org by "Andy Hind (JIRA)" <ji...@apache.org> on 2018/10/17 15:47:00 UTC

[jira] [Created] (SOLR-12879) Query Parser for MinHash/LSH

Andy Hind created SOLR-12879:
--------------------------------

             Summary: Query Parser for MinHash/LSH
                 Key: SOLR-12879
                 URL: https://issues.apache.org/jira/browse/SOLR-12879
             Project: Solr
          Issue Type: New Feature
      Security Level: Public (Default Security Level. Issues are Public)
          Components: query parsers
    Affects Versions: master (8.0)
            Reporter: Andy Hind
             Fix For: master (8.0)


Following on from https://issues.apache.org/jira/browse/LUCENE-6968, provide a query parser that builds queries that provide a measure of Jaccard similarity. The initial patch includes banded queries that were also proposed on the original issue.

 

I have one outstanding questions:
 * Should the score from the overall query be normalised?

Note, that the band count is currently approximate and may be one less than in practise.



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