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From Nicolas Maisonneuve <n.maisonne...@gmail.com>
Subject Re: lucene index with structured fields
Date Wed, 09 Mar 2005 17:55:33 GMT
oups .. 

2- According to the table , a new Query is created with just non zero
boost search field search2:coco^search2_boost
search4:coco^search4_boost


On Wed, 9 Mar 2005 18:53:41 +0100, Nicolas Maisonneuve
<n.maisonneuve@gmail.com> wrote:
> hmm a idea  would be to create dynamically a boost table  (field,
> boostvalue) in a extended version of a TermQuery depending on the
> field:
> ex: StructuredTermQuery ("search2", "coco")
> 
> 1-> Update a boost table according to:
> 
> *  the virtual structure :
> 
> > -structured index
> > search1
> >    search2
> >         search4
> >    search3
> >         search5
> 
> *  the fact the score is decrease with the dept :
> 
> *  the search field argument, here "search2"
> 
> So for this exemple the table would be =  (search1_boost=0,
> search2_boost=1, search3_boost=0, search4_boost=0.7)
> 
> 2- According to the table , a new Query is created with just non zero
> boost search field search2:coco^search1_boost
> search4:coco^search2_boost
> 
> WDYT ?
> 
> other proposals more flexible, clever, faster ?
> 
> nicolas maisonneuve
> 
> On Wed, 9 Mar 2005 18:29:12 +0100, Nicolas Maisonneuve
> <n.maisonneuve@gmail.com> wrote:
> > hy everybody,
> >
> > I would like use a index with structured search field.
> >
> > - flat index (lucene type)
> > searchfield1
> > searchfield2
> > searchffield3
> > ...
> 
> >
> > to allow simple extensions of some search features:
> > - the query TermQuery("search2", "coco" )  search in search2 and
> > search4 fields,
> > - The score depend of the depth where the word is found : A document
> > where "coco" is found in search4 field has a score lower than a
> > document with "coco" found in search2
> >
> > How {do with,hack} lucene to integrated easily this notion of
> > structured field  ? (no fuzzy methods allow because of the
> > performance) ?
> >
> > thanks in advance,
> >
> > Nicolas Maisonneuve
> >
>

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