Thanks again for your help!! :) Regards,
-Clara Vania- ________________________________ From: Uwe Schindler <u...@thetaphi.de> To: java-user@lucene.apache.org Sent: Wed, April 28, 2010 12:38:04 AM Subject: RE: Range Score in Lucene This hast o do with combining multiple terms in a Boolean query. If you have only one term and no boost factors involved, you will get 1. I just repeat, the score numbers are arbitrary scale, only compareable within one query. ----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: Clara Vania [mailto:chubz_...@yahoo.com] > Sent: Tuesday, April 27, 2010 7:32 PM > To: java-user@lucene.apache.org > Subject: Re: Range Score in Lucene > > Really thanks for the quick reply, > > I want to find documents similar to one document (let's call it > document A) in my index. To do this I use the MoreLikeThis class to > help create query from document A. I also included document A in my > index, so I assumed that I will have document A at the first rank. When > I do the searching, I print out the top 10 documents along with their > score. As I assumed before, I have document A in the first rank, but > the score is above 1 (score=1.841656). > > I think lucene score have range [0..1] because it uses cosine > similarity, where score 1 means that two documents are perfectly > similar and 0 means that there are no similarity between two document, > but why I get document score above 1? > > > > Thanks, > > -Clara > > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org