I'm not really getting your point. If you say that tf,idf get over on coord, I think it's possible to eliminate them by custom similarity.
On Wed, Jan 30, 2013 at 2:06 PM, Daniel Rosher <rosh...@gmail.com> wrote: > Hi Mikhail, > > Thanks for the reply. > > I think coord works at the document level, I was thinking of having > something that worked at a field level, against a 'principle/primary' > field. > > I'm using edismax with tie=1 (a.k.a. Disjunction Sum) and several fields, > but docs with greater query overlap on the primary field should score > higher if you see what I mean. > > Cheers, > Dan > > On Tue, Jan 29, 2013 at 7:14 PM, Mikhail Khludnev < > mkhlud...@griddynamics.com> wrote: > > > Daniel, > > > > You can start from here > > > > > http://lucene.apache.org/core/4_0_0-BETA/core/org/apache/lucene/search/similarities/Similarity.html#coord%28int,%20int%29but > > it requires deep understanding of Lucene internals > > > > > > > > On Tue, Jan 29, 2013 at 2:12 PM, Daniel Rosher <rosh...@gmail.com> > wrote: > > > > > Hi, > > > > > > I'm wondering if there exists or if someone has implemented something > > like > > > the following as a function query: > > > > > > overlap(query,field) = number of matching terms in field/number of > terms > > in > > > field > > > > > > e.g. with three docs having these tokens(e.g.A B C) in a field > > > D > > > 1:A B B > > > 2:A B > > > 3:A > > > > > > The overlap would be for these queries (-- highlights possibly highest > > > scoring doc): > > > > > > Q:A > > > 1:1/3 > > > 2:1/2 > > > 3:1/1 -- > > > > > > Q:A B > > > 1:2/3 > > > 2:2/2 -- > > > 3:1/1 > > > > > > Q:A B C > > > 1:2/3 > > > 2:2/2 -- > > > 3:1/1 > > > > > > The objective to to pick the most likely doc using the overlap to boost > > the > > > score. > > > > > > Cheers, > > > Dan > > > > > > > > > > > -- > > Sincerely yours > > Mikhail Khludnev > > Principal Engineer, > > Grid Dynamics > > > > <http://www.griddynamics.com> > > <mkhlud...@griddynamics.com> > > > -- Sincerely yours Mikhail Khludnev Principal Engineer, Grid Dynamics <http://www.griddynamics.com> <mkhlud...@griddynamics.com>
