Early citation advantage?

Stevan Harnad harnad at ECS.SOTON.AC.UK
Wed Jun 21 16:06:12 EDT 2006

On Wed, 21 Jun 2006, Stephen J Bensman wrote:

> I am totally confused as to what you mean by "gold" versus "green" OA
> journals.

GOLD road to OA: publish in an OA journal.
GREEN road to OA: Publish in a NOA journal and self-archive your article:

GOLD journals (9%)
GREEN journals (includes GOLD journals as subset) (94%), give authors "green light"
to self-archive immediately.
GREY journals do not yet give authors the green light to self-archive immediately.


    Harnad, S., Brody, T., Vallieres, F., Carr, L., Hitchcock, S.,
    Gingras, Y., Oppenheim, C., Stamerjohanns, H. and Hilf, E. (2004)
    The green and the gold roads to Open Access. Nature Web Focus.

> There have always problems with the immediacy index due to differences in
> frequency of publication.

That's nothing compared to the problem of equating apples and oranges (GOLD and
GREEN and GREY). For more rigorous to compare *within* journals rather than

Stevan Harnad

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