We should probably have that discussion (changing default Sim) on java-
dev, not on a particular JIRA issue. I, for one, am interested in
having the discussion.
On Feb 3, 2009, at 3:35 PM, Doug Cutting (JIRA) wrote:
[ https://issues.apache.org/jira/browse/LUCENE-1534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12670103
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Doug Cutting commented on LUCENE-1534:
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Now, on the cusp of 3.0, might be a good time to think about
changing the default ranking algorithm. This is potentially a
disruptive change, but we can easily provide a back-compatible
Similarity implementation. Are there other changes to the default
Similarity that may be of general utility? Or do folks thinks its
better to leave this alone?
idf(t) is not actually squared during scoring?
----------------------------------------------
Key: LUCENE-1534
URL: https://issues.apache.org/jira/browse/LUCENE-1534
Project: Lucene - Java
Issue Type: Bug
Components: Query/Scoring
Affects Versions: 2.1, 2.2, 2.3, 2.3.1, 2.3.2, 2.4
Reporter: Michael McCandless
Assignee: Michael McCandless
Priority: Minor
Fix For: 2.9
The javadocs for Similarity:
http://lucene.apache.org/java/2_4_0/api/org/apache/lucene/search/Similarity.html
show idf(t) as being squared when computing net query score. But I
don't think it is actually squared, in looking at the sources? Maybe
it used to be, eg this interesting discussion:
http://markmail.org/message/k5pl7scmiac5wosb
Or am I missing something? We just need to fix the javadocs to take
away the "squared"...
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