On Fri, 6 Jun 2003, [identity removed] wrote:
> You mention in your recent post and THES article that
>> "For the citation counts of papers whose full texts are already
>> freely accessible on the web are more than 300 per cent higher than
>> those that are not."
> Do you have a citation for that that you can point me at?
Lawrence, S. (2001a) Online or Invisible? Nature 411 (6837): 521.
http://www.neci.nec.com/~lawrence/papers/online-nature01/
Lawrence, S. (2001b) Free online availability substantially increases a
paper's impact. Nature Web Debates.
http://www.nature.com/nature/debates/e-access/Articles/lawrence.html
See also:
Kurtz, Michael J.; Eichhorn, Guenther; Accomazzi, Alberto; Grant,
Carolyn S.; Demleitner, Markus; Murray, Stephen S.; Martimbeau,
Nathalie; Elwell, Barbara. (submitted) The NASA Astrophysics Data
System: Sociology, Bibliometrics, and Impact.
http://cfa-www.harvard.edu/~kurtz/jasis-abstract.html
and the work of Andrew Odlyzko:
http://www.dtc.umn.edu/~odlyzko/doc/complete.html
and Tim Brody's remarkable impact correlation generator, which
can predict later citation impact from earlier usage (download)
impact using variable time-windows and ranges for the Physics
ArXiv (you need the latest java to be able to use it) at:
http://citebase.eprints.org/analysis/correlation.php
Finally, see:
http://www.ecs.soton.ac.uk/~harnad/Temp/self-archiving.ppt
Stevan Harnad
