Skip to main content
Log in

The source-item coverage of the Lotka function

  • Published:
Scientometrics Aims and scope Submit manuscript

Abstract

The following problem has never been studied : Given A, the total number of items (e.g. articles) and T, the total number of sources (e.g. journals that contain these articles) (hence A>T), when is there a Lotka function.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  • APOSTOL, T. M. (1957),Mathematical Analysis. A Modern Approach to Advanced Calculus. Addison­Wesley, Reading, Massachusetts.

    Google Scholar 

  • EGGHE, L. (1989), The Duality of Informetric Systems with Applications to the Empirical Laws. Ph. D. Thesis,The City University, London (UK).

    Google Scholar 

  • EGGHE, L. (1990), The duality of informetric systems with applications to the empirical laws. Journal of Information Science, 16 (1): 17–27.

    Google Scholar 

  • EGGHE, L. (2003), Type/token­taken informetrics. Journal of the American Society for Information Science and Technology, 54 (7): 603–610.

    Article  MathSciNet  Google Scholar 

  • EGGHE, L. ROUSSEAU, R. (1990),Introduction to Informetrics. Quantitative Methods in Library,Documentation and Information Science, Elsevier, Amsterdam.

  • HERDAN, G. (1960), Type­Token Mathematics. A Textbook of Mathematical Linguistic. Mouton,’s Gravenhage.

  • LOTKA, A. J. (1926), The frequency distribution of scientific productivity. Journal of the Washington Academy of Sciences, 16: 317–323.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Leo Egghe.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Egghe, L. The source-item coverage of the Lotka function. Scientometrics 61, 103–115 (2004). https://doi.org/10.1023/B:SCIE.0000037366.83414.09

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/B:SCIE.0000037366.83414.09

Keywords

Navigation