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Article impact calculated over arbitrary periods

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  • Tove Faber Frandsen
  • Ronald Rousseau

Abstract

In this paper we address the various formulations of impact of articles, usually groups of articles as gauged by citations that these articles receive over a certain period of time. The journal impact factor, as published by ISI (Philadelphia, PA), is the best‐known example of a formulation of impact of journals (considered as a set of articles) but many others have been defined in the literature. Impact factors have varying publication and citation periods and the chosen length of these periods enables, e.g., a distinction between synchronous and diachronous impact factors. It is shown how an impact factor for the general case can be defined. Two alternatives for a general impact factor are proposed, depending on whether different publication years are seen as a whole, and hence treating each one of them differently, or by operating with citation periods of identical length but allowing each publication period different starting points.

Suggested Citation

  • Tove Faber Frandsen & Ronald Rousseau, 2005. "Article impact calculated over arbitrary periods," Journal of the American Society for Information Science and Technology, Association for Information Science & Technology, vol. 56(1), pages 58-62, January.
  • Handle: RePEc:bla:jamist:v:56:y:2005:i:1:p:58-62
    DOI: 10.1002/asi.20100
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    Citations

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    Cited by:

    1. Liang, Liming & Rousseau, Ronald, 2007. "Transformations of basic publication–citation matrices," Journal of Informetrics, Elsevier, vol. 1(3), pages 249-255.
    2. Hui Fang, 2023. "A modification of citation-based journal indexes," Scientometrics, Springer;Akadémiai Kiadó, vol. 128(2), pages 1119-1132, February.
    3. Fang Xu & Wenbin Liu & Ronald Rousseau, 2015. "Introducing sub-impact factor (SIF-) sequences and an aggregated SIF-indicator for journal ranking," Scientometrics, Springer;Akadémiai Kiadó, vol. 102(2), pages 1577-1593, February.
    4. Adams, Jonathan, 2018. "Information and misinformation in bibliometric time-trend analysis," Journal of Informetrics, Elsevier, vol. 12(4), pages 1063-1071.
    5. Mohammad Ashraful Mobin & Masnun Mahi & M. Kabir Hassan & Marzia Habib & Shabiha Akter & Tahmina Hassan, 2023. "An analysis of COVID-19 and WHO global research roadmap: knowledge mapping and future research agenda," Eurasian Economic Review, Springer;Eurasia Business and Economics Society, vol. 13(1), pages 35-56, March.
    6. Leo Egghe, 2008. "The mathematical relation between the impact factor and the uncitedness factor," Scientometrics, Springer;Akadémiai Kiadó, vol. 76(1), pages 117-123, July.
    7. Guo, Xiaolong & Li, Xiaoxiao & Yu, Yugang, 2021. "Publication delay adjusted impact factor: The effect of publication delay of articles on journal impact factor," Journal of Informetrics, Elsevier, vol. 15(1).
    8. Liu, Yuxian & Rousseau, Ronald, 2008. "Definitions of time series in citation analysis with special attention to the h-index," Journal of Informetrics, Elsevier, vol. 2(3), pages 202-210.
    9. Dorta-González, P. & Dorta-González, M.I., 2013. "Impact maturity times and citation time windows: The 2-year maximum journal impact factor," Journal of Informetrics, Elsevier, vol. 7(3), pages 593-602.
    10. Waltman, Ludo, 2016. "A review of the literature on citation impact indicators," Journal of Informetrics, Elsevier, vol. 10(2), pages 365-391.
    11. Loet Leydesdorff & Lutz Bornmann & Jonathan Adams, 2019. "The integrated impact indicator revisited (I3*): a non-parametric alternative to the journal impact factor," Scientometrics, Springer;Akadémiai Kiadó, vol. 119(3), pages 1669-1694, June.
    12. Frandsen, Tove Faber, 2007. "Journal self-citations—Analysing the JIF mechanism," Journal of Informetrics, Elsevier, vol. 1(1), pages 47-58.
    13. Hui Fang, 2020. "Investigating the journal impact along the columns and rows of the publication-citation matrix," Scientometrics, Springer;Akadémiai Kiadó, vol. 125(3), pages 2265-2282, December.
    14. Ole Ellegaard & Johan A. Wallin, 2015. "The bibliometric analysis of scholarly production: How great is the impact?," Scientometrics, Springer;Akadémiai Kiadó, vol. 105(3), pages 1809-1831, December.
    15. Wolfgang Glänzel & Henk F. Moed, 2013. "Opinion paper: thoughts and facts on bibliometric indicators," Scientometrics, Springer;Akadémiai Kiadó, vol. 96(1), pages 381-394, July.
    16. Liu, Xuan Zhen & Fang, Hui, 2020. "A comparison among citation-based journal indicators and their relative changes with time," Journal of Informetrics, Elsevier, vol. 14(1).
    17. Tove Faber Frandsen, 2008. "On the ratio of citable versus non-citable items in economics journals," Scientometrics, Springer;Akadémiai Kiadó, vol. 74(3), pages 439-451, March.
    18. Bar-Ilan, Judit, 2008. "Informetrics at the beginning of the 21st century—A review," Journal of Informetrics, Elsevier, vol. 2(1), pages 1-52.
    19. Rousseau, Ronald & Xu, Fang & Liu, Wenbin, 2015. "Interpolated sub-impact factor (SIF) sequences for journal rankings," Journal of Informetrics, Elsevier, vol. 9(4), pages 907-914.

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