Thanks, Jonathan. Your explanation is very helpful. Can you explain exactly what you mean by "phrases created from the entire query"?
On Thu, Oct 7, 2010 at 7:13 PM, Jonathan Rochkind <rochk...@jhu.edu> wrote: > What you said in your own quoted message is correct. qs is slop applied to > phrases explicitly in the &q with double quotes. ps is slop applied to the > phrases created from the entire query for evaluating pf boosts. > > qs will (potentially) change your result set. ps will only (potentially) > change the ranked ordering of your result set, by loosening what a "phrase > match" means to the pf boost. > > > David Boxenhorn wrote: > >> 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 >>>> >>>> >>>> >>>> >>>> >>>> >>> >> >> >
