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Posted to issues@lucene.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2020/08/12 14:37:00 UTC
[jira] [Commented] (SOLR-13751) Add BooleanSimilarityFactory to
Solr
[ https://issues.apache.org/jira/browse/SOLR-13751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17176373#comment-17176373 ]
ASF subversion and git services commented on SOLR-13751:
--------------------------------------------------------
Commit e72a0d66c666dec7d69f1f2e15306957656d2e70 in lucene-solr's branch refs/heads/master from andywebb1975
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=e72a0d6 ]
SOLR-13751: add BooleanSimilarityFactory (#867)
> Add BooleanSimilarityFactory to Solr
> ------------------------------------
>
> Key: SOLR-13751
> URL: https://issues.apache.org/jira/browse/SOLR-13751
> Project: Solr
> Issue Type: New Feature
> Reporter: Andy Webb
> Priority: Minor
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Solr doesn't expose Lucene's BooleanSimilarity (ref LUCENE-5867) so it's not available for use in situations where BM25/TDF-IF are not useful. (Fields using this similarity will likely also set omitNorms and omitTermFreqAndPositions to true.)
> Our use case is ngram-driven suggestions, where the frequency of occurrence of a particular sequence of characters is not something users would expect to be taken into account when ordering suggestions.
>
> Here's my PR: [https://github.com/apache/lucene-solr/pull/867] (I'm at Activate if anyone would like to talk this through in person.)
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