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https://issues.apache.org/jira/browse/LUCENE-5867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-5867:
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Attachment: LUCENE-5867.patch
I'd like to revive this issue. Here is an updated patch against current master.
Like the previous patch, it does score regardless of index statistics, document
length or term freq. However it does not take the index time boost into account
for scoring (only query-time boost) and encodes norms the same way as
BM25Similarity, ClassicSimilarity or SimilarityBase. The benefit is that it
would allow to switch between the BM25, Classic or Boolean similarity after the
index has been created.
> Add BooleanSimilarity
> ---------------------
>
> Key: LUCENE-5867
> URL: https://issues.apache.org/jira/browse/LUCENE-5867
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Robert Muir
> Attachments: LUCENE-5867.patch, LUCENE-5867.patch
>
>
> This can be used when the user doesn't want tf/idf scoring for some reason.
> The idea is that the score is just query_time_boost * index_time_boost, no
> queryNorm/IDF/TF/lengthNorm...
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