lucene-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Paul Elschot <>
Subject Re: Lucene score funcion in Similarity class
Date Tue, 01 Jun 2010 07:46:03 GMT
Op maandag 31 mei 2010 23:53:45 schreef yx2@ualberta:
> Hi!
> I have a question about the function in Which paper
is the original one that proposed the coord(q, d) factor for vector space model IR? 
> I came up a similar idea when using BM25, then I found it was already in the Lucene package.
I'm writing a paper now, and want to know which paper I should refer to.
> Thank you!
> Ying

This paper of 1972 is linked there, it mentions co-ordination levels:
and it appears to be a nice start to look for the first paper on this.

Paul Elschot

To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message