[jira] Commented: (LUCENE-2482) Index sorter

["Andrzej Bialecki (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-2482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12897172#action_12897172 ] 

Andrzej Bialecki  commented on LUCENE-2482:
-------------------------------------------

If there are no objections I'd like to commit this soon.

> Index sorter
> ------------
>
>                 Key: LUCENE-2482
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2482
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: contrib/*
>    Affects Versions: 3.1
>            Reporter: Andrzej Bialecki 
>             Fix For: 3.1
>
>         Attachments: indexSorter.patch
>
>
> A tool to sort index according to a float document weight. Documents with high weight are given low document numbers, which means that they will be first evaluated. When using a strategy of "early termination" of queries (see TimeLimitedCollector) such sorting significantly improves the quality of partial results.
> (Originally this tool was created by Doug Cutting in Nutch, and used norms as document weights - thus the ordering was limited by the limited resolution of norms. This is a pure Lucene version of the tool, and it uses arbitrary floats from a specified stored field).

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