Bibliometric Analysis of the Literature on Ethiopian Studies
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Date
2004-06
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Addis Ababa University
Abstract
A bibliometric study has been done on a bibliographic
population to examine the characteristic features of
Ethiopian Studies literature. For this purpose, a
bibliographic database on the subject, containing more
than 5500 records has been developed based on Ethiopian
History and Society. A bibliography of Ethiopian Studies
1957-1990 (1 99 1 ) by J. Abbink and a few citations
collected from journal s on Ethiopian Studies.
Distribution of
exponentiality.
(Bradford's and
the data is proved for negative
The classical b ibl i ometric laws
Lotka's Law) are applied to examine
journal productivity and author productivity patterns.
Applicability of Bradford's Law to the literature with
any number of Bradford's group has been tested. lotka's
Law in its generalized form fits the distribution pattern
o f author productivity in Ethiopian Studies. The 80/20 -
rule using the formula given by Egghe did not apply to
the data . It applies only as 80/31 in journal
productivity and 80 / 48 in author productivity .
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Keywords
Information Science