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. Only a very small part of the entire publication population belongs to the very high-value JCS classes (i.e., JCS > 30), making the distribution for this high JCS part very noisy (see van Raan 2006a ). If we restrict the analysis to the

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Scientometrics
Authors: Victor Bucheli, Adriana Díaz, Juan Pablo Calderón, Pablo Lemoine, Juan Alejandro Valdivia, José Luis Villaveces, and Roberto Zarama

gaining relevance over the last 50 years, and has occurred primarily at universities. The Colombian university system is quite heterogeneous: universities have been founded since the seventeenth century, in main cities with different populations and

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same population. This statistic is a non-parametric test, suitable to non-normal distributions such as the power law distributions observed in scientometrics distributions. Dunn's post test (Dunn 1961 ) compares the difference in the sum of ranks

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values, even if all the populations were really the same). There is no way to bin the numbers to look like Gaussian or Poisson distributions (See Fig. 1 ), perhaps because many factors affect the submission to publication time (see Sect. “ Possible

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). 2 A bdullah , M. Y. , Bayesian analysis of normal scalar populations with a common mean , Pertanika , 9 ( 1986 ), 381 – 386 . 3

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persisted in a broad range of literature is that a decomposable, hierarchic structure enhances the evolvability of complex systems, such as the populations of species (Wright 1932 , 1964 ), organizations (Simon 1962 ; Ethiraj and Levinthal 2004

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line, and public health initiatives ( Health Promotion ; Health Behavior ; Attitude to Health ), become noteworthy focuses of study at this time, especially regarding populations at a higher risk of transmission ( African Americans ). Therefore, the

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”. Probably, the most important challenge to the general use of patent indicators is the heterogeneity of the patent population. The functions and the mechanisms of patents can vary very much according to external factors, such as the type of assignee, the

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Scientometrics
Authors: Pedro Albarrán, Juan A. Crespo, Ignacio Ortuño, and Javier Ruiz-Castillo

The dataset Since we wished to address a homogeneous population, in this paper only research articles, or simply articles, are studied. A relatively large sample was needed to ensure a minimum size for all areas of study at all aggregation

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Epidemiology/Clinical Medicine category focuses on controlling the spread of infection both in the treatment facility and in the larger local and global population, as well as clinical diagnosis and treatment of SARS. The SARS Biology category focuses on

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