You could try and see if field collapsing can help you. That could let you return top 5 from each class if that is acceptable. Otherwise, you’ll have to go with two queries.
HTH, Emir -- Monitoring - Log Management - Alerting - Anomaly Detection Solr & Elasticsearch Consulting Support Training - http://sematext.com/ > On 27 Dec 2019, at 19:08, Nitin Arora <nitinaror...@gmail.com> wrote: > > 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 >>>>> >>>> >>>> >> >>
