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From jian chen <>
Subject Re: who could tell me the equation of the scoring in detail? i'm confused about two days
Date Wed, 05 Oct 2005 03:38:25 GMT

Lucene uses a variant version of vector space model for ranking the

You can look at
the fomula,

2) there is an article some one wrote about the Lucene's Ranking function
vs. standard vsm. However, that link has been removed and I think it does
not exist anymore. I still keep a copy of that file, so, you may download it
from my website at the following url:

Let me know of any other problem.



On 10/4/05, chai qiaozi <> wrote:
> hello everyone,
> I'm a newer to lucence.
> I want to know the scoring algorithm in lucence. but there are
> many different explations aobut it, who may give me the scoring
> equation in detail please?
> thank you in advance!
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