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Posted to java-user@lucene.apache.org by sp...@gmx.eu on 2008/02/12 14:31:48 UTC

TermPositionVector

Hi,

could somebody please explain what the difference between positions and
offsets is?

And: Is there a trick to show theses infos in luke?

Thank you.


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RE: TermPositionVector

Posted by sp...@gmx.eu.
This would be really nice! 

> -----Original Message-----
> From: Andrzej Bialecki [mailto:ab@getopt.org] 
> Sent: Dienstag, 12. Februar 2008 16:41
> To: java-user@lucene.apache.org
> Subject: Re: TermPositionVector
> 
> spring@gmx.eu wrote:
> > Hi,
> > 
> > could somebody please explain what the difference between 
> positions and
> > offsets is?
> > 
> > And: Is there a trick to show theses infos in luke?
> 
> 
> Not yet :) Funny thing, I've been thinking about adding this to Luke, 
> but ran out of time before the last release. Perhaps I'll 
> include it in 
> a minor update.
> 
> 
> -- 
> Best regards,
> Andrzej Bialecki     <><
>   ___. ___ ___ ___ _ _   __________________________________
> [__ || __|__/|__||\/|  Information Retrieval, Semantic Web
> ___|||__||  \|  ||  |  Embedded Unix, System Integration
> http://www.sigram.com  Contact: info at sigram dot com
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
> 


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Re: TermPositionVector

Posted by Andrzej Bialecki <ab...@getopt.org>.
spring@gmx.eu wrote:
> Hi,
> 
> could somebody please explain what the difference between positions and
> offsets is?
> 
> And: Is there a trick to show theses infos in luke?


Not yet :) Funny thing, I've been thinking about adding this to Luke, 
but ran out of time before the last release. Perhaps I'll include it in 
a minor update.


-- 
Best regards,
Andrzej Bialecki     <><
  ___. ___ ___ ___ _ _   __________________________________
[__ || __|__/|__||\/|  Information Retrieval, Semantic Web
___|||__||  \|  ||  |  Embedded Unix, System Integration
http://www.sigram.com  Contact: info at sigram dot com


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RE: TermPositionVector

Posted by sp...@gmx.eu.
TermA TermB

TermA has position 0 and offset 0
TermB has position 1 and offset 6

Right?

> -----Original Message-----
> From: Grant Ingersoll [mailto:gsingers@apache.org] 
> Sent: Dienstag, 12. Februar 2008 15:16
> To: java-user@lucene.apache.org
> Subject: Re: TermPositionVector
> 
> Position is just relative to other tokens  
> (Token.getPositionIncrement()), offsets are character offsets  
> (Token.startOffset(), Token.endOffset())
> 
> -Grant
> 
> On Feb 12, 2008, at 8:31 AM, <sp...@gmx.eu> <sp...@gmx.eu> wrote:
> 
> > Hi,
> >
> > could somebody please explain what the difference between 
> positions  
> > and
> > offsets is?
> >
> > And: Is there a trick to show theses infos in luke?
> >
> > Thank you.
> >
> >
> > 
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: java-user-help@lucene.apache.org
> >
> 
> --------------------------
> 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
> 
> 
> 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
> 


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Re: TermPositionVector

Posted by Grant Ingersoll <gs...@apache.org>.
Position is just relative to other tokens  
(Token.getPositionIncrement()), offsets are character offsets  
(Token.startOffset(), Token.endOffset())

-Grant

On Feb 12, 2008, at 8:31 AM, <sp...@gmx.eu> <sp...@gmx.eu> wrote:

> Hi,
>
> could somebody please explain what the difference between positions  
> and
> offsets is?
>
> And: Is there a trick to show theses infos in luke?
>
> Thank you.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>

--------------------------
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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