Daniel Naber writes:
> On Wednesday 04 August 2004 13:19, Terry Steichen wrote:
>
> > I can't get negative boosts to work with QueryParser. Is it possible to do
> > so?
>
> Isn't that the same as using a boost < 1, e.g. 0.1? That should be possible.
>
no.
a^-1 OR b
A boost of -1 means that the
A solution to this has been proposed before - see
http://wiki.apache.org/jakarta-lucene/CommunityContributions
Cheers
Mark
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Terry Steichen wrote:
But if, in the future, I or someone else took on this task of enhancing QueryParser, I'd like to be assured that the underlying Lucene engine will accept and support negative boosting. Is that the case?
Lucene will multiply negative boosts into scores just like positive
ones
'd like to be assured that the underlying Lucene engine will accept and support
negative boosting. Is that the case?
Regards,
Terry
- Original Message -
From: Erik Hatcher
To: Lucene Users List
Sent: Wednesday, August 04, 2004 9:12 AM
Subject: Re: Negative Boost
On
Near as I can tell, setting the boost to, say, 0.10, doesn't seem to do anything.
Regards,
Terry
- Original Message -
From: Otis Gospodnetic
To: Lucene Users List
Sent: Wednesday, August 04, 2004 9:38 AM
Subject: Re: Negative Boost
You can just use boost that is
On Wednesday 04 August 2004 13:19, Terry Steichen wrote:
> I can't get negative boosts to work with QueryParser. Is it possible to do
> so?
Isn't that the same as using a boost < 1, e.g. 0.1? That should be possible.
Regards
Daniel
You can just use boost that is < 1.0, no?
Otis
--- Terry Steichen <[EMAIL PROTECTED]> wrote:
> I can't get negative boosts to work with QueryParser. Is it possible
> to do so?
>
> TIA,
>
> Terry
>
>
>
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On Aug 4, 2004, at 7:19 AM, Terry Steichen wrote:
I can't get negative boosts to work with QueryParser. Is it possible
to do so?
Closer inspection on the parsing:
TOKEN : {
)+ ( "." (<_NUM_CHAR>)+ )? > : DEFAULT
}
where
<#_NUM_CHAR: ["0"-"9"] >
So, no, negative boosts don't appear possible w
On Aug 4, 2004, at 7:19 AM, Terry Steichen wrote:
I can't get negative boosts to work with QueryParser. Is it possible
to do so?
More details please.
- What exact query expression did you use?
- Did you get an error? If so, what was it?
- What does Query.toString() output?
Erik
---
Terry Steichen writes:
> I can't get negative boosts to work with QueryParser. Is it possible to do so?
>
If you change QueryParser ;-)
Morus
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I can't get negative boosts to work with QueryParser. Is it possible to do so?
TIA,
Terry
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