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From Nicola Buso <nb...@ebi.ac.uk>
Subject Re: Collect facet only on specific values
Date Thu, 09 May 2013 10:44:25 GMT
Hi Mike,

thanks for the reply.
I was looking also into CountFacetRequest (my specific case); should I
create a FacetRequest extension that on getValueOf(...) return values >
0 only for interesting facet values?
Did you mean this?


Nicola.

On Thu, 2013-05-09 at 06:28 -0400, Michael McCandless wrote: 
> On Thu, May 9, 2013 at 5:53 AM, Nicola Buso <nbuso@ebi.ac.uk> wrote:
> > Hi,
> >
> > I want to hide some values for a facet; than I'm looking into a way to
> > collect facet values only for a subset of possible values.
> > Is there a way to obtain this?
> > If not, extending TopK...Handler (or wrapping it) would be the right way
> > to obtain this behaviour?
> 
> Hmm so you want the TopK (by facet count), except you want to remove
> certain values from consideration?
> 
> If it's not too many values, eg at most N, then you could collect top
> K+N, and then post-filter?
> 
> Alternatively, if N is largish, it may be possible to zero out the
> counts for the facet values you want to exclude, before TopK runs ...
> 
> Mike McCandless
> 
> http://blog.mikemccandless.com



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