Hi Prabin,
Can you give an example of what you would like a query to look like?
Lucene doesn't do negative boosts (ok, w/ a patch, I think it can,
but...) At any rate, the boosts are relative, so perhaps you just
lower the boost to be very small for the "bad" terms and raise it
higher for the good terms.
What is the end goal of what you are trying to find? Perhaps there
are some alternatives.
-Grant
On Jan 31, 2008, at 2:49 PM, prabin meitei wrote:
Hi, I want to give different levels of negative boost (reduce the
score) to
documents for different matching queries. How it can be done??
Googling I
found out this link
http://wiki.apache.org/jakarta-lucene/CommunityContributions but
it just
gives the option of giving single level negative boost.
is there any way of having multiple matching queries and give them
different
negative boosts???
Regards,
Prabin
--------------------------
Grant Ingersoll
http://lucene.grantingersoll.com
http://www.lucenebootcamp.com
Lucene Helpful Hints:
http://wiki.apache.org/lucene-java/BasicsOfPerformance
http://wiki.apache.org/lucene-java/LuceneFAQ
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