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https://issues.apache.org/jira/browse/LUCENE-7466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15703302#comment-15703302
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Tommaso Teofili commented on LUCENE-7466:
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well .. that's weird, I had set it to resolved back on Nov 20th (click on the
'All' tab), but then when you commented I saw it was still unresolved and
therefore assumed it was reopened by someone else.
Now it looks fixed resolved because you can close and reopen, but also
unresolved as per current resolution value ...
> add axiomatic similarity
> -------------------------
>
> Key: LUCENE-7466
> URL: https://issues.apache.org/jira/browse/LUCENE-7466
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Affects Versions: master (7.0)
> Reporter: Peilin Yang
> Assignee: Tommaso Teofili
> Labels: patch
> Fix For: 6.4
>
>
> Add axiomatic similarity approaches to the similarity family.
> More details can be found at http://dl.acm.org/citation.cfm?id=1076116 and
> https://www.eecis.udel.edu/~hfang/pubs/sigir05-axiom.pdf
> There are in total six similarity models. All of them are based on BM25,
> Pivoted Document Length Normalization or Language Model with Dirichlet prior.
> We think it is worthy to add the models as part of Lucene.
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