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https://issues.apache.org/jira/browse/LUCENE-1908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755062#action_12755062
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Marvin Humphrey commented on LUCENE-1908:
-----------------------------------------
The rationale behind the coarseness of the norms is that since the accuracy of
search engines in retrieving the documents that the user really wants is so
poor, only big differences matter. (It's not just poor "recall" against a
given query, but the difficulty that the user experiences in formulating a
proper query to express what they're really looking for in the first place.)
Doug wrote at least once about this some years back, but I haven't been
able to track down the post.
> Similarity javadocs for scoring function to relate more tightly to scoring
> models in effect
> -------------------------------------------------------------------------------------------
>
> Key: LUCENE-1908
> URL: https://issues.apache.org/jira/browse/LUCENE-1908
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Reporter: Doron Cohen
> Assignee: Doron Cohen
> Priority: Minor
> Fix For: 2.9
>
> Attachments: LUCENE-1908.patch, LUCENE-1908.patch, LUCENE-1908.patch,
> LUCENE-1908.patch
>
>
> See discussion in the related issue.
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