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Posted to dev@lucene.apache.org by "Tom Burton-West (JIRA)" <ji...@apache.org> on 2013/08/14 23:09:48 UTC
[jira] [Issue Comment Deleted] (LUCENE-5175) Add parameter to
lower-bound TF normalization for BM25 (for long documents)
[ https://issues.apache.org/jira/browse/LUCENE-5175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tom Burton-West updated LUCENE-5175:
------------------------------------
Comment: was deleted
(was: I downloaded the luceneutils benchmark suite and the enwiki data and tried to run the out-of-the-box demo. I need to ask our sysadmins to upgrade python versions on our dev machines.
Tom )
> Add parameter to lower-bound TF normalization for BM25 (for long documents)
> ---------------------------------------------------------------------------
>
> Key: LUCENE-5175
> URL: https://issues.apache.org/jira/browse/LUCENE-5175
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Reporter: Tom Burton-West
> Priority: Minor
> Attachments: LUCENE-5175.patch
>
>
> In the article "When Documents Are Very Long, BM25 Fails!" a fix for the problem is documented. There was a TODO note in BM25Similarity to add this fix. I will attach a patch that implements the fix shortly.
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