14 Sep 2004
CS 5244 – Bibliometrics
11
Bradford’s Law of Scattering
¡ Journals in a field can be divided into three parts, each with about one-third of all articles:
¡
l 1) a core of a few journals,
l 2) a second zone, with more journals, and
l 3) a third zone, with the bulk of journals.
¡
¡The number of journals is 1:n:n2
¡
¡To think about: Why is this true?