Self-defined information indices: application to the case of university rankings

A. Ferrer-Sapena (), E. Erdogan (), E Jiménez-Fernández (), E. A. Sánchez-Pérez () and F. Peset ()
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A. Ferrer-Sapena: Universitat Politècnica de València
E. Erdogan: Marmara University
E Jiménez-Fernández: Universitat Jaume I
E. A. Sánchez-Pérez: Universitat Politècnica de València
F. Peset: Universitat Politècnica de València

Scientometrics, 2020, vol. 124, issue 3, No 31, 2443-2456

Abstract: Abstract University rankings are now relevant decision-making tools for both institutional and private purposes in the management of higher education and research. However, they are often computed only for a small set of institutions using some sophisticated parameters. In this paper we present a new and simple algorithm to calculate an approximation of these indices using some standard bibliometric variables, such as the number of citations from the scientific output of universities and the number of articles per quartile. To show our technique, some results for the ARWU index are presented. From a technical point of view, our technique, which follows a standard machine learning scheme, is based on the interpolation of two classical extrapolation formulas for Lipschitz functions defined in metric spaces—the so-called McShane and Whitney formulae—. In the model, the elements of the metric space are the universities, the distances are measured using some data that can be extracted from the Incites database, and the Lipschitz function is the ARWU index.

Keywords: Reinforcement learning; Metric space; Lipschitz extension; Shanghai; ARWU; University ranking; 54E35; 26A16 (search for similar items in EconPapers)
JEL-codes: C60 C61 C88 (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s11192-020-03575-6

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