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https://issues.apache.org/jira/browse/LUCENE-7466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15671519#comment-15671519
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Tommaso Teofili edited comment on LUCENE-7466 at 11/16/16 8:29 PM:
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when running 'ant clean test' under lucene/core the only error I see is in 
{{TestAxiomaticSimilarity#testIllegalQL}} (note that _testSaneNormValues_ uses 
{{BM25Similarity}}, I have locally changed it to {{AxiomaticF2EXP}}).
Other than that it seems the {{TestAxiomaticSimilarity}} actually tests only 
{{AxiomaticF2EXP}}, shouldn't it also test the other {{Axiomatic}} extensions? 

You can check the different test options on the wiki [Running 
Tests|https://wiki.apache.org/lucene-java/RunningTests]


was (Author: teofili):
when running 'ant clean test' under lucene/core the only error I see is in 
{{TestAxiomaticSimilarity#testIllegalQL}} (note that _testSaneNormValues_ uses 
{{BM25Similarity}}, I have locally changed it to {{AxiomaticF2EXP}}).
Other than that it seems the {{TestAxiomaticSimilarity}} actually tests only 
{{AxiomaticF2EXP}}, shouldn't it also test the other {{Axiomatic}} extensions? 

> 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
>
> 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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