How can I get the weight of a field and use it in bf ?? thanks a lot
sunnyfr wrote: > > Hi Hoss, > thanks for this answser, and is there a way to get the weight of a field ? > like that and use it in the bf? queryWeight > > > 0.14232224 = (MATCH) weight(text:chien^0.2 in 9412049), product of: > 0.0813888 = queryWeight(text:chien^0.2), product of: > 0.2 = boost > 6.5946517 = idf(docFreq=55585, numDocs=14951742) > 0.061708186 = queryNorm > > > thanks > > > hossman wrote: >> >> >> : I don't get really, I try to boost a field according to another one but >> I've >> : a huge weight when I'm using qf boost like : >> : >> : /select?qt=dismax&fl=*&q="obama >> : meeting"&debugQuery=true&qf=title&bf=product(title,stat_views) >> >> bf is a boost function -- you are using a product fucntion to multiply >> the >> "title" field by the stat_views" field ... this doesn't make sense to me? >> >> i'm assuming the "title" field contains text (the rest of your score >> explanation confirms this). when you try to do a math function on a >> string based field it deals with the "ordinal" value -- the higher the >> string is lexigraphically compared to all other docs ,the higher the >> ordinal value. >> >> i have no idea what's in your stat_views field -- but i can't imagine any >> way in which multipling it by the ordinal value of your text field would >> make sense... >> >> : 5803675.5 = (MATCH) >> FunctionQuery(product(ord(title),sint(stat_views))), >> : product of: >> : 9.5142968E7 = product(ord(title)=1119329,sint(stat_views)=85) >> : 1.0 = boost >> : 0.06099952 = queryNorm >> >> : But this is not equilibrate between this boost in qf and bf, how can I >> do ? >> >> when it comes to function query, you're on your own to figure out an >> appropriate query boost to blanace the scores out -- when you use a >> product function the scores are going to get huge like this unless you >> balance it somehow (and that ord(title) is just making this massively >> worse) >> >> >> -Hoss >> >> >> > > -- View this message in context: http://www.nabble.com/boost-qf-weight-between-0-and-10-tp22081396p23293956.html Sent from the Solr - User mailing list archive at Nabble.com.
