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From Paul Elschot <>
Subject Re: Normalization Techniques
Date Wed, 28 Sep 2005 06:59:27 GMT
On Wednesday 28 September 2005 02:35, Ira Goldstein wrote:
> Hi.  I’m working on a project to compare various normalization techniques
> and want to make sure that I understand the code before I begin making
> changes.  It appears that while the tf’s are being stored in DocumentWriter,
> the actual normalization (and boosting) is calculated in
> BooleanQuery.sumOfSquaredWeights.  If I make changes here, it would not be
> necessary to make any changes elsewhere (such as in the TermFreqVector). Am 
> reading this correctly?

I think so.
Term vectors are not used during normal query processing, and they don't
define a normalization.

Paul Elchot

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