Simply boosting on class A1 won't work since there may be many documents
from that class, all getting equal boost. I want only top 5 docs of that
class to get the boost.

On Fri, 27 Dec 2019 at 22:42, Erick Erickson <erickerick...@gmail.com>
wrote:

> Yes. Rerank essentially takes the top N results of one query and re-scores
> them through another query. So just boost the secondary query.
>
> But you may not even have to do that. Just add a boost clause to a single
> query and boost your class A1 quite high. See “boost” and/or “bq”.
>
> Best,
> Erick
>
> > On Dec 27, 2019, at 10:57 AM, Nitin Arora <nitinaror...@gmail.com>
> wrote:
> >
> > Hi Erick, I was not able to figure how exactly I will use
> > RerankQParserPlugin to achieve the desired reranking. I see that I can
> > rerank all the top RERANK_DOCS results - it is possible that they
> contain a
> > hundred results of class A1 or none. But the desired behaviour I want is
> to
> > pick (only) the top 5 results of class A1 from my potentially 100s of
> > results. Then boost them to first page.
> > Do you think this(or near this) behaviour is possible
> > using RerankQParserPlugin? Please shed more light how.
> >
> > On Fri, 27 Dec 2019 at 19:48, Erick Erickson <erickerick...@gmail.com>
> > wrote:
> >
> >> Have you seen RerankQParserPlugin?
> >>
> >> Best,
> >> Erick
> >>
> >>> On Dec 27, 2019, at 8:49 AM, Emir Arnautović <
> >> emir.arnauto...@sematext.com> wrote:
> >>>
> >>> Hi Nitin,
> >>> Can you simply filter and return top 5:
> >>>
> >>>      ….&fq=class:A1&rows=5
> >>>
> >>> Emir
> >>> --
> >>> Monitoring - Log Management - Alerting - Anomaly Detection
> >>> Solr & Elasticsearch Consulting Support Training -
> http://sematext.com/
> >>>
> >>>
> >>>
> >>>> On 27 Dec 2019, at 13:55, Nitin Arora <nitinaror...@gmail.com> wrote:
> >>>>
> >>>> Hello, I have a complex solr query with various boosts applied that
> >>>> returns, say a few hundred results. Out of these hundreds of results I
> >> want
> >>>> to further boost, say the top 5 results that satisfy a particular
> >> criteria
> >>>> - e.g. class=A1. So I want the top 5 results from class A1 in my
> >> existing
> >>>> results set to come further higher, so that I can show them on the
> first
> >>>> page of my final results. How do I achieve this?
> >>>> I am new to SOLR and this community so apologies if this is
> >> trivial/repeat.
> >>>>
> >>>> Thanks,
> >>>> Nitin
> >>>
> >>
> >>
>
>

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