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From Paul Elschot <paul.elsc...@xs4all.nl>
Subject Re: Lucene scoring: coord_q_d factor
Date Wed, 13 Dec 2006 20:00:45 GMT
On Wednesday 13 December 2006 16:42, Karl Koch wrote:
> Do you know about any papers that discuss this?

Coordination is called co-ordination In the original idf paper by
K. Spärck Jones, A statistical interpretation of term specificity
and its application in retrieval.,  Journal of Documentation 28,
11-21, 1972
http://www.soi.city.ac.uk/~ser/idfpapers/ksj_orig.pdf

The paper is the first one on the idf page:
http://www.soi.city.ac.uk/~ser/idf.html

Regards,
Paul Elschot

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