Hello, if I get you right it's frequently requested feature, but it requires really deep hack like https://issues.apache.org/jira/browse/LUCENE-6066
On Tue, Jan 27, 2015 at 9:28 PM, Jorge Luis Betancourt González < jlbetanco...@uci.cu> wrote: > Hi all, > > Recently I got an interesting use case that I'm not sure how to implement, > the idea is that the client wants a fixed number of documents, let's call > it N, to appear in the top of the results. Let me explain a little we're > working with web documents so the idea is too promote the documents that > match the query of the user from a given domain (wikipedia, for example) to > the top of the list. So if I apply a a boost using the boost parameter: > > > http://localhost:8983/solr/select?q=search&fl=url&boost=map(query($type1query),0,0,1,50)&type1query=host:wikipedia > > I get *all* the documents from the desired host at the top, but there is > no way of limiting the number of documents from the host that are boosted > to the top of the result list (which could lead to several pages of content > from the same host, which is not desired, the idea is to only show N) . I > was thinking in something like field collapsing/grouping but only for the > documents that match my $type1query parameter (host:wikipedia) but I don't > see any way of doing grouping/collapsing on only one group and leave the > other results untouched. > > I although thought on using 2 groups using group.query=host:wikipedia and > group.query=-host:wikipedia, but in this case there is no way of > controlling how much documents each independently group will have. > > In this particular case QueryElevationComponent it's not helping because I > don't want to map all the posible queries I just want to put the some of > the results from a certain host in the top of the list, but without > boosting all the documents from the same host. > > Any thoughts or recommendations on this? > > Thank you, > > Regards, > > > --------------------------------------------------- > XII Aniversario de la creación de la Universidad de las Ciencias > Informáticas. 12 años de historia junto a Fidel. 12 de diciembre de 2014. > > -- Sincerely yours Mikhail Khludnev Principal Engineer, Grid Dynamics <http://www.griddynamics.com> <mkhlud...@griddynamics.com>