[jira] [Resolved] (LUCENE-3566) Parametrizing H1 and H2

["Robert Muir (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-3566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir resolved LUCENE-3566.
---------------------------------

    Resolution: Fixed

Thanks David!
                
> 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: 4.0
>            Reporter: David Mark Nemeskey
>            Assignee: David Mark Nemeskey
>            Priority: Minor
>              Labels: score
>             Fix For: 4.0
>
>         Attachments: LUCENE-3566.patch, LUCENE-3566.patch, LUCENE-3566.patch
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> 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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