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From Alessandro Benedetti <benedetti.ale...@gmail.com>
Subject Re: How to show some documents ahead of others
Date Thu, 08 Oct 2015 16:47:52 GMT
Thanks Andrea, I agree with you.
 It seems much likely the classic " Relevancy biased by date" .
But instead of having new docs we have paying docs.
Probably a boost function can be helpful as already said.

Cheers

On 8 October 2015 at 17:03, Upayavira <uv@odoko.co.uk> wrote:

> Hence the suggestion to group by the paid field - would give you two
> lists of the number you ask for.
>
> What I'm trying to say is that the QueryElevationComponent might do it,
> but it is also relatively clunky, so a pure search solution might do it.
>
> However, the thing we lack right now is a full take on the requirements,
> e.g. how should paid results be sorted, how many paid results do you
> show, etc, etc. Without these details we're all guessing.
>
> Upayavira
>
>
> On Thu, Oct 8, 2015, at 04:45 PM, Walter Underwood wrote:
> > Sorting all paid above all unpaid will give bad results when there are
> > many matches. It will show 1000 paid items, include all the barely
> > relevant ones, before it shows the first highly relevant unpaid recipe.
> > What if that was the only correct result?
> >
> > Two approaches that work:
> >
> > 1. Boost paid items using the “boost” parameter in edismax. Adjust it to
> > be a tiebreaker between documents with similar score.
> >
> > 2. Show two lists, one with the five most relevant paid, the next with
> > the five most relevant unpaid.
> >
> > wunder
> > Walter Underwood
> > wunder@wunderwood.org
> > http://observer.wunderwood.org/  (my blog)
> >
> >
> > > On Oct 8, 2015, at 7:39 AM, Alessandro Benedetti <
> benedetti.alex85@gmail.com> wrote:
> > >
> > > Is it possible to understand better this : "as it doesn't
> > > allow any meaningful customization " ?
> > >
> > > Cheers
> > >
> > > On 8 October 2015 at 15:27, Andrea Roggerone <
> andrearoggerone.osrc@gmail.com
> > >> wrote:
> > >
> > >> Hi guys,
> > >> I don't think that sorting is a good solution in this case as it
> doesn't
> > >> allow any meaningful customization.I believe that the advised
> > >> QueryElevationComponent is one of the viable alternative. Another one
> would
> > >> be to boost at query time a particular field, like for instance paid.
> That
> > >> would allow you to assign different boosts to different values using a
> > >> function.
> > >>
> > >> On Thu, Oct 8, 2015 at 1:48 PM, Upayavira <uv@odoko.co.uk> wrote:
> > >>
> > >>> Or just have a field in your index -
> > >>>
> > >>> paid: true/false
> > >>>
> > >>> Then sort=paid desc, score desc
> > >>>
> > >>> (you may need to sort paid asc, not sure which way a boolean would
> sort)
> > >>>
> > >>> Question is whether you want to show ALL paid posts, or just a set
of
> > >>> them. For the latter you could use result grouping on the paid field.
> > >>>
> > >>> Upayavira
> > >>>
> > >>> On Thu, Oct 8, 2015, at 01:34 PM, NutchDev wrote:
> > >>>> Hi Christian,
> > >>>>
> > >>>> You can take a look at Solr's  QueryElevationComponent
> > >>>> <https://wiki.apache.org/solr/QueryElevationComponent>  .
> > >>>>
> > >>>> It will allow you to configure the top results for a given query
> > >>>> regardless
> > >>>> of the normal lucene scoring. Also you can specify exclude document
> > >> list
> > >>>> to
> > >>>> exclude certain results for perticular query.
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> --
> > >>>> View this message in context:
> > >>>>
> > >>>
> > >>
> http://lucene.472066.n3.nabble.com/How-to-show-some-documents-ahead-of-others-tp4233481p4233490.html
> > >>>> Sent from the Solr - User mailing list archive at Nabble.com.
> > >>>
> > >>
> > >
> > >
> > >
> > > --
> > > --------------------------
> > >
> > > Benedetti Alessandro
> > > Visiting card - http://about.me/alessandro_benedetti
> > > Blog - http://alexbenedetti.blogspot.co.uk
> > >
> > > "Tyger, tyger burning bright
> > > In the forests of the night,
> > > What immortal hand or eye
> > > Could frame thy fearful symmetry?"
> > >
> > > William Blake - Songs of Experience -1794 England
> >
>



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

Benedetti Alessandro
Visiting card - http://about.me/alessandro_benedetti
Blog - http://alexbenedetti.blogspot.co.uk

"Tyger, tyger burning bright
In the forests of the night,
What immortal hand or eye
Could frame thy fearful symmetry?"

William Blake - Songs of Experience -1794 England

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