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From "Chong, Herb" <HCho...@bloomberg.com>
Subject RE: Query Filters on term A in query "A AND (B OR C OR D)"
Date Thu, 13 Nov 2003 21:34:31 GMT
you're doing TREC-style query expansion using automatic relevance feedback?

Herb....

-----Original Message-----
From: Jie Yang [mailto:jyang_work@yahoo.co.uk]
Sent: Thursday, November 13, 2003 4:33 PM
To: Lucene Users List
Subject: Re: Query Filters on term A in query "A AND (B OR C OR D)"


Well, not quite, User normally enters a search string
A that normally returns 1000 out of 2 millions docs. I
then append A with 500 OR conditions... A AND (B or C
or ... or x500). I am trying to optimse the 500 OR
terms so that it does not do a full 2 millions docs
search but on the 1000 returned. Would this help?

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