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From Doug Cutting <>
Subject Re: Lucene 1.4.2?
Date Fri, 01 Oct 2004 16:06:33 GMT
Christoph Goller wrote:
> I would never
> have guessed that calling the constructor there could make such a 
> difference.

The improvement is greatest for OR queries that contain a common term, 
i.e., which match a large portion of the collection.  However for, e.g., 
most phrase searches and AND searches the improvement is probably not so 
pronounced.  When folks use Lucene as a vector-space search engine, 
constructing queries that represent large weighted vectors, the 
improvement is substantial.


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