Mailing-List: contact dev-help@lucene.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@lucene.apache.org
Date: Tue, 21 Jun 2011 11:49:47 +0000 (UTC)
From: "David Mark Nemeskey (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: 
 <217614193.24116.1308656987457.JavaMail.tomcat@hel.zones.apache.org>
In-Reply-To: 
 <647665016.20394.1308566927699.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Updated] (LUCENE-3220) Implement various ranking models as
 Similarities
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


     [ https://issues.apache.org/jira/browse/LUCENE-3220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Mark Nemeskey updated LUCENE-3220:
----------------------------------------

    Attachment:     (was: LUCENE-3220.patch)

> Implement various ranking models as Similarities
> ------------------------------------------------
>
>                 Key: LUCENE-3220
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3220
>             Project: Lucene - Java
>          Issue Type: Sub-task
>          Components: core/search
>    Affects Versions: flexscoring branch
>            Reporter: David Mark Nemeskey
>            Assignee: David Mark Nemeskey
>              Labels: gsoc
>         Attachments: LUCENE-3220.patch, LUCENE-3220.patch, LUCENE-3220.patch, LUCENE-3220.patch
>
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> With [LUCENE-3174|https://issues.apache.org/jira/browse/LUCENE-3174] done, we can finally work on implementing the standard ranking models. Currently DFR, BM25 and LM are on the menu.
> TODO:
>  * {{EasyStats}}: contains all statistics that might be relevant for a ranking algorithm
>  * {{EasySimilarity}}: the ancestor of all the other similarities. Hides the DocScorers and as much implementation detail as possible
>  * _BM25_: the current "mock" implementation might be OK
>  * _LM_
>  * _DFR_
> Done:

--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira

        
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
For additional commands, e-mail: dev-help@lucene.apache.org