On Wed, 2010-01-20 at 08:38 -0800, Marc Sturlese wrote:
> Check out this patch witch solve the distributed IDF's problem:
> https://issues.apache.org/jira/browse/SOLR-1632
> I think it fixes what you are explaining. The price you pay is that there
> are 2 requests per shard. If I am not worng the first is to get term
> frequencies and needed info and the second one is the proper search request.
> The patch also includes caching for terms in the first request.
> 

Nice!

Thank you very much, Mark.

Como van las cosas en Barcelona?

salu2

> 
> Thorsten Scherler-3 wrote:
> > 
> > Hi all,
> > 
> > I have to do an analyses about following usecase.
> > 
> > I am working as consultant in a public company. We are talking about to
> > offer in the future each public institution its own search server
> > (probably) based on Apache Solr. However the user of our portal should
> > be able to search all indexes.
> > 
> > The problematic part for our customer is that a meta search on various
> > indexes which then later merges the response will change the scoring.
> > 
> > Imagine you have the two indexes
> > - public health department (A)
> > - press relations department (B)
> > 
> > Now you have 300 documents in A and only one in B about "influenza A".
> > The B server will return the only document in its index with a very high
> > score, since being the only one it gets a very high "base" score,
> > correct?
> > 
> > On the other hand A may have much more important documents but they will
> > not get the same "base" score.
> > 
> > Meaning on a merge most likely the document from Server B will be top of
> > the list.
> > 
> > To prevent this phenomenon we are looking into merging all the
> > standalone indexes in on big index but that will lead us in other
> > problems because it will become pretty big pretty fast.
> > 
> > So here my questions:
> > 
> > - What are other people doing to solve this problem?
> > - What is the best way with Solr to solve the problem of the "base"
> > scoring?
> > - What is the best way to have multiple indexes in solr?
> > - Is it possible to get rid of the "base" scoring in solr?
> > 
> > TIA for any informations.
> > 
> > salu2
> > -- 
> > Thorsten Scherler <thorsten.at.apache.org>
> > Open Source Java <consulting, training and solutions>
> > 
> > Sociedad Andaluza para el Desarrollo de la Sociedad 
> > de la InformaciĆ³n, S.A.U. (SADESI)
> > 
> > 
> > 
> > 
> > 
> > 
> 
-- 
Thorsten Scherler <thorsten.at.apache.org>
Open Source Java <consulting, training and solutions>

Sociedad Andaluza para el Desarrollo de la Sociedad 
de la InformaciĆ³n, S.A.U. (SADESI)




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