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From Doug Cutting <>
Subject Re: Negative Boost
Date Wed, 04 Aug 2004 18:49:08 GMT
Terry Steichen wrote:
> But if, in the future, I or someone else took on this task of enhancing QueryParser,
I'd like to be assured that the underlying Lucene engine will accept and support negative
boosting.  Is that the case?

Lucene will multiply negative boosts into scores just like positive 
ones.  I've never been convinced that it makes much sense to use 
negative boosts in a scoring formula such as Lucene's, but there's 
nothing stopping you from using them.


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