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From Haishan Chen <>
Subject RE: Phrase Query Performance Question
Date Fri, 02 Nov 2007 23:29:45 GMT

> Date: Fri, 2 Nov 2007 12:31:29 -0700> From:> To:>
Subject: Re: Phrase Query Performance Question> > > : It still feels to me that you
are trying doing something unique with your> : phrase queries. Unfortunately, you still
haven't said what you are trying to> : do in general terms, which makes it very difficult
for people to help you.> > Agreed. This seems very special case, but we dont' know what
the case is.> > If there are specific phrases you know in advance that you will care
> about, and those phrases occur as frequetnly as the individual > "words", then the
best way to deal with them is to index each "phrase" as > a single Term (and ignore the
individual words)> > Speaking more generally to mike's point...> >>
Your question appears to be an "XY Problem" ... that is: you are dealing> with "X", you
are assuming "Y" will help you, and you are asking about "Y"> without giving more details
about the "X" so that we can understand the> full issue. Perhaps the best solution doesn't
involve "Y" at all?> See Also:> >
> > > > -Hoss> 
I think the documents I was indexing can not be considered a natural language documents. It
is constructed following certain rules and then feed into the indexing process. I guess because
of the rules many targeting searching terms have high document frequency. I am not in obligation
to achieve the quarter second performance I am just interested to see whether it is achievable.

Thanks everyone for offering advice
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