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From Paul Elschot <paul.elsc...@xs4all.nl>
Subject Re: SpanQuery for Terms at same position
Date Sun, 22 Nov 2009 12:50:27 GMT
Op zondag 22 november 2009 04:47:50 schreef Adriano Crestani:
> Hi,
> 
> I didn't test, but you might want to try SpanNearQuery and set slop to zero.
> Give it a try and let me know if it worked.

The slop is the number of positions "in between", so zero would still be too
much to only match at the same position.

SpanNearQuery may or may not work for a slop of -1, but one could try
that for both the ordered and unordered cases.
One way to do that is to start from the existing test cases.

Regards,
Paul Elschot

> 
> Regards,
> Adriano Crestani
> 
> On Thu, Nov 19, 2009 at 7:28 PM, Christopher Tignor <ctignor@thinkmap.com>wrote:
> 
> > Hello,
> >
> > I would like to search for all documents that contain both "plan" and "_v"
> > (my part of speech token for verb) at the same position.
> > I have tokenized the documents accordingly so these tokens exists at the
> > same location.
> >
> > I can achieve programaticaly using PhraseQueries by adding the Terms
> > explicitly at the same position but I need to be able to recover the
> > Payload
> > data for each
> > term found within the matched instance of my query.
> >
> > Unfortunately the PayloadSpanUtil doesn't seem to return the same results
> > as
> > the PhraseQuery, possibly becuase it is converting it inoto Spans first
> > which do not support searching for Terms at the same document position?
> >
> > Any help appreciated.
> >
> > thanks,
> >
> > C>T>
> >
> > --
> > TH!NKMAP
> >
> > Christopher Tignor | Senior Software Architect
> > 155 Spring Street NY, NY 10012
> > p.212-285-8600 x385 f.212-285-8999
> >
> 

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