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From Michael Busch <>
Subject Re: [jira] Updated: (LUCENE-693) ConjunctionScorer - more tuneup
Date Wed, 21 Nov 2007 07:35:23 GMT
robert engels wrote:
> We are still using Lucene 1.9.1+, and I am wondering if there has been
> any improvements in searching on AND clauses when some of the terms are
> very infrequent...

multi-level skipping should help when an AND query has frequent and
infrequent terms. See LUCENE-866 for some performance numbers.


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