Thank you very much! Forgive me, but I'm still having some trouble understanding:
qs = the maximum number of words apart the match can be ps = ? - something that affects boosting, but how? On Thu, Oct 7, 2010 at 12:57 PM, Ahmet Arslan <iori...@yahoo.com> wrote: > phrase slop is about proximity search. > > > http://lucene.apache.org/java/2_4_0/queryparsersyntax.html#Proximity%20Searches > > ps (Phrase Slop) affects boosting, if you play with ps value, numFound and > result set do not change. But the order of result set change. This is about > the phrase query that is constructed out of the entire "q" param. > > qs (Query Phrase Slop) affects matching. If you play with qs, numFound > changes. This parameter is about when you have explicit phrase query in your > raw query. i.e. &q="apache lucene" > > --- On Thu, 10/7/10, David Boxenhorn <da...@lookin2.com> wrote: > > > From: David Boxenhorn <da...@lookin2.com> > > Subject: Re: Query slop vs. phrase slop > > To: solr-user@lucene.apache.org > > Date: Thursday, October 7, 2010, 11:34 AM > > Does anybody know the answer to > > this? > > > > On Tue, Oct 5, 2010 at 7:19 PM, David Boxenhorn <da...@lookin2.com> > > wrote: > > > > > Thank you. I am talking about dismax's parameters. > > > > > > This is how I understand things, please tell me where > > I'm wrong: > > > > > > Query slop (qs) = how many words you can move the > > query to match the text. > > > Phrase slop (ps) (when used in conjunction with > > &pf=text - is there another > > > possibility?) = how many words you can move the text > > to match the query. > > > > > > How are those two different in terms of the results > > they produce? > > > > > > On Tue, Oct 5, 2010 at 7:08 PM, Ahmet Arslan <iori...@yahoo.com> > > wrote: > > > > > >> > Can anyone explain to me the > > >> > practical difference (i.e. in terms of > > results) > > >> > between query slop and phrase slop? > > >> > > >> I think you are asking about dismax's parameters, > > right? > > >> > > >> ps (Phrase Slop) is about pf parameter. > > >> > > >> qs (Query Phrase Slop) : You cannot use tilde > > operator with dismax, so > > >> this parameter is used instead. > > >> > > >> luceneQParser : "term1 term2"~3 => dismaxQParer > > : q="term1 term2"&qs=3 > > >> > > >> > > >> > > >> > > > > > > > > >
