CFP workshop on Methodological Issues in Using Curricula Vitae
Loet Leydesdorff
loet at LEYDESDORFF.NET
Tue Mar 6 12:32:10 EST 2007
Dear Jesper,
If researchers normally are active in many different journals covering 15-20
different subject codes what does that say about using the ISI codes for
definition of specialties?
Using the ISI codes for the definition of specialties is not a good idea.
The categories have no analytical basis. They are ad hoc, as our colleagues
at ISI admit. I found no strong relations between the subject categories
and principal components in the citation matrix, for example, in:
Can Scientific Journals be Classified in terms of Aggregated Journal-Journal
Citation Relations using the Journal Citation Reports? Journal of the
American Society for Information Science and Technology, 57(5) (2006)
601-613.
With best wishes,
Loet
_____
Loet Leydesdorff
Amsterdam School of Communications Research (ASCoR)
Kloveniersburgwal 48, 1012 CX Amsterdam
Tel.: +31-20- 525 6598; fax: +31-20- 525 3681
<mailto:loet at leydesdorff.net> loet at leydesdorff.net ;
<http://www.leydesdorff.net/> http://www.leydesdorff.net/
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