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Posted to dev@lucene.apache.org by "Robert Muir (JIRA)" <ji...@apache.org> on 2017/10/30 23:56:00 UTC
[jira] [Updated] (LUCENE-8023) Remove divide-by-zero formula hacks
across sim impls
[ https://issues.apache.org/jira/browse/LUCENE-8023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Muir updated LUCENE-8023:
--------------------------------
Description:
Follow-up to LUCENE-8020
With the scoring api no longer passing e.g. docFreq=0 in corner cases such as SpanOrQuery, we can revert formula hacks that we added to many similarities. It may not be very significant for ranking but it removes confusion and makes it possible to have good explain() etc.
was:
Follow-up to LUCENE-8020
With the scoring api no longer passing e.g. docFreq=0 in corner cases such as SpanOrQuery, we can revert formula hacks that we added to many similarities. It may be very significant for ranking but it removes confusion and makes it possible to have good explain() etc.
> Remove divide-by-zero formula hacks across sim impls
> ----------------------------------------------------
>
> Key: LUCENE-8023
> URL: https://issues.apache.org/jira/browse/LUCENE-8023
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
>
> Follow-up to LUCENE-8020
> With the scoring api no longer passing e.g. docFreq=0 in corner cases such as SpanOrQuery, we can revert formula hacks that we added to many similarities. It may not be very significant for ranking but it removes confusion and makes it possible to have good explain() etc.
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