range of scores : queryNorm()

2010-02-22 Thread Smith G
Hello , I have observed that even if we change boosting drastically, scores are being normalized at the end because of queryNorm value. Is there anything ( regarding to the queryNorm) that we can rely on ? like score will always be under 10 or some fixed value ? The main objective is to p

Re: range of scores : queryNorm()

2010-02-22 Thread Ian Lea
> I have observed that even if we change boosting > drastically, scores are being normalized at the end because of > queryNorm value. Is there anything ( regarding to the queryNorm) that > we can rely on ? Dunno. > like score will always be under 10 No. > or some fixed value ? I think not. >

Re: range of scores : queryNorm()

2010-02-22 Thread Erick Erickson
Could you back up a step and tell us what the upper-level task you're trying to accomplish is? That is, why the partner wants the number? Because the raw score in Lucene is only relevant within that single query, and then only for ranking. The normalized score *is* in a fixed range already, betwee

Re: range of scores : queryNorm()

2010-02-23 Thread Smith G
Hello , > Could you back up a step and tell us what the upper-level > task you're trying to accomplish is? That is, why the partner > wants the number? I am not sure, I was assigned to do this task. It must be related to furthur tweaks of the result-set which is based on scores. > The normali