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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 31841] - [PATCH] MultiSearcher problems with Similarity.docFreq()
Date Thu, 10 Feb 2005 10:33:34 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=31841


siberski@learninglab.de changed:

           What    |Removed                     |Added
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  Attachment #13464|0                           |1
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------- Additional Comments From siberski@learninglab.de  2005-02-10 11:33 -------
Created an attachment (id=14242)
 --> (http://issues.apache.org/bugzilla/attachment.cgi?id=14242&action=view)
New patch based on the discussion on lucene-dev (intermediate version)

According to my understanding of our dev-lucene discussion Multisearcher should
evaluate queries in the following way:
1. rewrite queries using the Multisearch Similarity
2. extract necessary terms
3. collect idfs for these terms from the Searchables
4. adjust query boosts according to collected idfs
5. distribute re-written and re-boosted query to Searchables
6. merge results

This patch implements all steps except 4, where it uses a modified Similarity
class instead. Thus it is fully functional, but not yet ready for commit.

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