Bah! I didn't notice that you'd used edismax, ignore my comments. Sorry for the confusion Erick
On Tue, Jul 23, 2013 at 2:34 PM, Joe Zhang <smartag...@gmail.com> wrote: > I'm not sure I understand, Erick. I don't have a "text" field in my schema; > "title" and "content" are both legal fields. > > > On Tue, Jul 23, 2013 at 5:15 AM, Erick Erickson > <erickerick...@gmail.com>wrote: > >> this isn't doing what you think. >> title^10 content >> is actually parsed as >> >> text:title^100 text:content >> >> where "text" is my default search field. >> >> assuming title is a field. If you look a little >> farther up the debug output you'll see that. >> >> You probably want >> title:content^100 or some such? >> >> Erick >> >> On Tue, Jul 23, 2013 at 1:43 AM, Jack Krupansky <j...@basetechnology.com> >> wrote: >> > That means that for that document "china" occurs in the title vs. >> "snowden" >> > found in a document but not in the title. >> > >> > >> > -- Jack Krupansky >> > >> > -----Original Message----- From: Joe Zhang >> > Sent: Tuesday, July 23, 2013 12:52 AM >> > To: solr-user@lucene.apache.org >> > Subject: Re: Question about field boost >> > >> > >> > Is my reading correct that the boost is only applied on "china" but not >> > "snowden"? How can that be? >> > >> > My query is: q=china+snowden&qf=title^10 content >> > >> > >> > On Mon, Jul 22, 2013 at 9:43 PM, Joe Zhang <smartag...@gmail.com> wrote: >> > >> >> Thanks for your hint, Jack. Here is the debug results, which I'm having >> a >> >> hard deciphering (the two terms are "china" and "snowden")... >> >> >> >> 0.26839527 = (MATCH) sum of: >> >> 0.26839527 = (MATCH) sum of: >> >> 0.26757246 = (MATCH) max of: >> >> 7.9147343E-4 = (MATCH) weight(content:china in 249), product of: >> >> 0.019873314 = queryWeight(content:china), product of: >> >> 1.6649085 = idf(docFreq=46832, maxDocs=91058) >> >> 0.01193658 = queryNorm >> >> 0.039825942 = (MATCH) fieldWeight(content:china in 249), product >> >> of: >> >> 4.8989797 = tf(termFreq(content:china)=24) >> >> 1.6649085 = idf(docFreq=46832, maxDocs=91058) >> >> 0.0048828125 = fieldNorm(field=content, doc=249) >> >> 0.26757246 = (MATCH) weight(title:china^10.0 in 249), product of: >> >> 0.5836803 = queryWeight(title:china^10.0), product of: >> >> 10.0 = boost >> >> 4.8898454 = idf(docFreq=1861, maxDocs=91058) >> >> 0.01193658 = queryNorm >> >> 0.45842302 = (MATCH) fieldWeight(title:china in 249), product >> of: >> >> 1.0 = tf(termFreq(title:china)=1) >> >> 4.8898454 = idf(docFreq=1861, maxDocs=91058) >> >> 0.09375 = fieldNorm(field=title, doc=249) >> >> 8.2282536E-4 = (MATCH) max of: >> >> 8.2282536E-4 = (MATCH) weight(content:snowden in 249), product of: >> >> 0.03407834 = queryWeight(content:snowden), product of: >> >> 2.8549502 = idf(docFreq=14246, maxDocs=91058) >> >> 0.01193658 = queryNorm >> >> 0.024145111 = (MATCH) fieldWeight(content:snowden in 249), >> product >> >> of: >> >> 1.7320508 = tf(termFreq(content:snowden)=3) >> >> 2.8549502 = idf(docFreq=14246, maxDocs=91058) >> >> 0.0048828125 = fieldNorm(field=content, doc=249) >> >> >> >> >> >> On Mon, Jul 22, 2013 at 9:27 PM, Jack Krupansky >> >> <j...@basetechnology.com>wrote: >> >> >> >>> Maybe you're not doing anything wrong - other than having an artificial >> >>> expectation of what the true relevance of your data actually is. Many >> >>> factors go into relevance scoring. You need to look at all aspects of >> >>> your >> >>> data. >> >>> >> >>> Maybe your terms don't occur in your titles the way you think they do. >> >>> >> >>> Maybe you need a boost of 500 or more... >> >>> >> >>> Lots of potential maybes. >> >>> >> >>> Relevancy tuning is an art and craft, hardly a science. >> >>> >> >>> Step one: Know your data, inside and out. >> >>> >> >>> Use the debugQuery=true parameter on your queries and see how much of >> the >> >>> score is dominated by your query terms in the non-title fields. >> >>> >> >>> -- Jack Krupansky >> >>> >> >>> -----Original Message----- From: Joe Zhang >> >>> Sent: Monday, July 22, 2013 11:06 PM >> >>> To: solr-user@lucene.apache.org >> >>> Subject: Question about field boost >> >>> >> >>> >> >>> Dear Solr experts: >> >>> >> >>> Here is my query: >> >>> >> >>> defType=dismax&q=term1+term2&**qf=title^100 content >> >>> >> >>> Apparently (at least I thought) my intention is to boost the title >> field. >> >>> While I'm getting some non-trivial results, I'm surprised that the >> >>> documents with both term1 and term2 in title (I know such docs do exist >> >>> in >> >>> my repository) were not returned (or maybe ranked very low). The >> >>> situation >> >>> does not change even when I use much larger boost factors. >> >>> >> >>> What am I doing wrong? >> >>> >> >> >> >> >> > >>
