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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: Scoring
Date Tue, 03 Sep 2002 04:09:33 GMT
This?

/** Internal class used for scoring.
 * <p>Public only so that the indexing code can compute and store the
 * normalization byte for each document. */
public final class Similarity {



But you are right, the comments are pretty scarce, and the Javadocs
could be improved.  If you've got time and will, please contribute.

Otis


--- Chris Sibert <chrissibert@attbi.com> wrote:
> I am disatisfied with the document scores that I'm getting. If a
> document is short, and has one occurrence of the search term, it is
> ranked higher than a longer document with two occurrences of the
> term. This makes little sense to me, and I'd like the longer document
> with more occurrences to be ranked higher. I figured I have to
> override the scoring method, but I can't find where Lucene actually
> does the scoring. This is actually not an uncommon problem for me, as
> I find perusing the API to be high on the confusing scale, due to the
> lack of comprehensive Javadoc documentation. (Something that even Sun
> doesn't spend much time on.) I attempt to read the code, but variable
> names are terse, and there's a dearth of commenting, which makes it
> fairly unfathomable. 
> 
> This is the code that I'm using. Am I doing the right thing in using
> the Query object, or should I be using a different one, such as
> TermQuery ? Does TermQuery score differently, so that I might be
> happier with it's behavior ? If not, where might I find the method
> that actually computes the Document's score, so that I may modify it
> ? 
> 
> 
>     Hits     find ( String  string_searchString, String
> string_indexPath )
>     {
>         Searcher            indexSearcher    ;
>         Analyzer            analyzer    ;
>         Query                query       ;
>         QueryParser      queryParser ;
>         Hits                   searchResults_Hits        ;
> 
>         try
>         {
>             indexSearcher         = new   IndexSearcher (
> string_indexPath ) ;
>             analyzer                 = new   SimpleAnalyzer ()      
> ;
> 
>             query                      = QueryParser.parse (
> string_searchString, "DocumentText", analyzer )    ;
>             searchResults_Hits  = indexSearcher.search ( query )    
> ;
>             
>             return  searchResults_Hits ;
>         }
> 
> 


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