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On the calculation of percentile‐based bibliometric indicators

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  • Ludo Waltman
  • Michael Schreiber

Abstract

A percentile‐based bibliometric indicator is an indicator that values publications based on their position within the citation distribution of their field. The most straightforward percentile‐based indicator is the proportion of frequently cited publications, for instance, the proportion of publications that belong to the top 10% most frequently cited of their field. Recently, more complex percentile‐based indicators have been proposed. A difficulty in the calculation of percentile‐based indicators is caused by the discrete nature of citation distributions combined with the presence of many publications with the same number of citations. We introduce an approach to calculating percentile‐based indicators that deals with this difficulty in a more satisfactory way than earlier approaches suggested in the literature. We show in a formal mathematical framework that our approach leads to indicators that do not suffer from biases in favor of or against particular fields of science.

Suggested Citation

  • Ludo Waltman & Michael Schreiber, 2013. "On the calculation of percentile‐based bibliometric indicators," Journal of the American Society for Information Science and Technology, Association for Information Science & Technology, vol. 64(2), pages 372-379, February.
    • Handle: RePEc:bla:jamist:v:64:y:2013:i:2:p:372-379
    DOI: 10.1002/asi.22775
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