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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1540) Improvements to contrib.benchmark for TREC collections
Date Fri, 24 Sep 2010 00:51:33 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12914301#action_12914301
] 

Robert Muir commented on LUCENE-1540:
-------------------------------------

Tim, if you have modified benchmark to work with various formats of older TREC collections,
that would be really nice.

> Improvements to contrib.benchmark for TREC collections
> ------------------------------------------------------
>
>                 Key: LUCENE-1540
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1540
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: contrib/benchmark
>    Affects Versions: 2.4
>            Reporter: Tim Armstrong
>            Priority: Minor
>
> The benchmarking utilities for  TREC test collections (http://trec.nist.gov) are quite
limited and do not support some of the variations in format of older TREC collections.  
> I have been doing some benchmarking work with Lucene and have had to modify the package
to support:
> * Older TREC document formats, which the current parser fails on due to missing document
headers.
> * Variations in query format - newlines after <title> tag causing the query parser
to get confused.
> * Ability to detect and read in uncompressed text collections
> * Storage of document numbers by default without storing full text.
> I can submit a patch if there is interest, although I will probably want to write unit
tests for the new functionality first.

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