Well you could have ordinary term queries, and then a SHOULD SpanFirstQuery clause with a boost, to give higher scores to those docs that also had the term(s) close to the start of the document.
Mike McCandless http://blog.mikemccandless.com On Sun, Jan 25, 2015 at 5:44 PM, Luis A Lastras <lastr...@us.ibm.com> wrote: > Thanks I didn't know about SpanFirstQuery. I can likely get something > going with that. I was still hoping that we could affect the scoring > formula with the position itself, but maybe this is not feasible. > > Luis > > > > ------------------------------ > > > > *Luis A Lastras, Ph.D. Research Staff Member & Manager, Concept Analytics, > IBM Watson* > *Member of the iBM Academy of Technology* > > *IBM Master Inventor email: **lastr...@us.ibm.com* <em...@region.ibm.com> > * | Tel: 914-945-3613 <914-945-3613> | Cell: 914-382-1879 <914-382-1879> > address: 1101 Kitchawan Rd, Office 28-132, Yorktown Heights, NY, 10598* > > > > > <http://www.facebook.com/ibmwatson> > > > ------------------------------ > > > > [image: Inactive hide details for Michael McCandless ---01/25/2015 > 08:12:18 AM---Maybe SpanFirstQuery? Mike McCandless]Michael McCandless > ---01/25/2015 08:12:18 AM---Maybe SpanFirstQuery? Mike McCandless > > From: Michael McCandless <luc...@mikemccandless.com> > To: Lucene Users <java-user@lucene.apache.org> > Date: 01/25/2015 08:12 AM > Subject: Re: Absolute term position in scoring > ------------------------------ > > > > Maybe SpanFirstQuery? > > > Mike McCandless > > http://blog.mikemccandless.com > > On Sat, Jan 24, 2015 at 9:34 PM, Luis A Lastras <lastr...@us.ibm.com> > wrote: > > > Is it possible to incorporate in Lucene's scoring function the position > of > > a matching term (say as measured from the top of the document). The > > scenario is, if the set of documents tend to lk about the most important > > stuff at the beginning of the document, then we would like to give > > preference to documents that mention a term close to the top. > > > > Thanks, > > > > Luis > > > > > > > > ------------------------------ > > > > > > > > *Luis A Lastras, Ph.D. Research Staff Member & Manager, Concept > Analytics, > > IBM Watson* > > *Member of the iBM Academy of Technology* > > > > *IBM Master Inventor email: **lastr...@us.ibm.com* <em...@region.ibm.com > > > > * | Tel: 914-945-3613 <914-945-3613> | Cell: 914-382-1879 <914-382-1879> > > address: 1101 Kitchawan Rd, Office 28-132, Yorktown Heights, NY, > 10598* > > > > > > > > > > <http://www.facebook.com/ibmwatson> > > > > > > ------------------------------ > > > > > > > >
