Re: AW: Boolean Query

2006-01-12 Thread Doug Cutting
Klaus wrote: I have tried to study to lucene scoring in the default similarity. Can anyone explain me, how this similarity was designed? I have read a lot of IR literature, but I have never seen an equation like the one used in lucene. Why is this better then the normal cosine-measure? It degen

AW: Boolean Query

2006-01-12 Thread Klaus
Hi, I have tried to study to lucene scoring in the default similarity. Can anyone explain me, how this similarity was designed? I have read a lot of IR literature, but I have never seen an equation like the one used in lucene. Why is this better then the normal cosine-measure? Thanks, Klaus --