Theory of the topical coverage of multiple databases

L. Egghe

Journal of the American Society for Information Science and Technology, 2013, vol. 64, issue 1, 126-131

Abstract: We present a model that describes which fraction of the literature on a certain topic we will find when we use n (n = 1, 2, …) databases. It is a generalization of the theory of discovering usability problems. We prove that, in all practical cases, this fraction is a concave function of n, the number of used databases, thereby explaining some graphs that exist in the literature. We also study limiting features of this fraction for n very high and we characterize the case that we find all literature on a certain topic for n high enough.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:bla:jamist:v:64:y:2013:i:1:p:126-131

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