On the time dependence of the h-index

被引：12

作者：

Mannella, Riccardo ^{[1
]}

Rossi, Paolo ^{[1
]}

机构：

[1] Univ Pisa, Dipartimento Fis Enrico Fermi, I-56127 Pisa, Italy

来源：

JOURNAL OF INFORMETRICS | 2013年 / 7卷 / 01期

关键词：

h-index; Time dependence; Time scaled h-index; Contemporary h-index; GROWTH;

D O I：

10.1016/j.joi.2012.10.003

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The time dependence of the h-index is analyzed by considering the average behavior of h as a function of the academic age AA for about 1400 Italian physicists, with career lengths spanning from 3 to 46 years. The individual h-index is strongly correlated with the square root of the total citations Nc: h approximate to 0.53 NC. For academic ages ranging from 12 to 24 years, the distribution of the time scaled index h/ sic AA is approximately time-independent and it is well described by the Gompertz function. The time scaled index h/ sic AA has an average approximately equal to 3.8 and a standard deviation approximately equal to 1.6. Finally, the time scaled index h/ sic AA appears to be strongly correlated with the contemporary h-index hc. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：176 / 182

页数：7

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