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From "David Mark Nemeskey (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-3566) Parametrizing H1 and H2
Date Mon, 07 Nov 2011 10:51:52 GMT
Parametrizing H1 and H2
-----------------------

                 Key: LUCENE-3566
                 URL: https://issues.apache.org/jira/browse/LUCENE-3566
             Project: Lucene - Java
          Issue Type: Improvement
          Components: core/search
    Affects Versions: flexscoring branch
            Reporter: David Mark Nemeskey
            Assignee: David Mark Nemeskey
            Priority: Minor
             Fix For: flexscoring branch


The DFR normalizations {{H1}} and {{H2}} are parameter-free. This is in line with the [original
article|http://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.101.742], but not with the
[thesis|http://theses.gla.ac.uk/1570/], where H2 accepts a {{c}} parameter, nor with [information-based
models|http://dl.acm.org/citation.cfm?id=1835490], where H1 also accepts a {{c}} parameter.

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