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GOOGLE SCHOLAR METRICS: AN UNRELIABLE TOOL FOR ASSESSING SCIENTIFIC JOURNALS

by Emilio Delgado-Lopez-Cozar
El Profesional de la Informacion ()
  • ISSN: 13866710

Abstract

We introduce Google Scholar Metrics (GSM), a new bibliometric product of Google that aims at providing the H-index for scientific journals and other information sources. We conduct a critical review of GSM showing its main characteristics and possibilities as a tool for scientific evaluation. We discuss its coverage along with the inclusion of repositories, bibliographic control, and its options for browsing and searching. We conclude that, despite Google Scholar's value as a source for scientific assessment, GSM is an immature product with many shortcomings, and therefore we advise against its use for evaluation purposes. However, the improvement of these shortcomings would place GSM as a serious competitor to the other existing products for evaluating scientific journals. Se presenta Google Scholar Metrics (GSM), el nuevo producto bibliometrico de Google, que computa el indice h de revistas y otras fuentes de informacion cientifica. Se exponen las principales caracteristicas de GSM, y se realiza una revision critica de sus posibilidades como herramienta para la evaluacion de revistas cientificas. Se estudia, entre otros aspectos, su cobertura, la inclusion de repositorios junto a las revistas cientificas, el control bibliografico de la informacion, y las posibilidades de consulta y visualizacion de resultados. Se concluye que, pese a las potencialidades de Google Scholar como fuente para la evaluacion cientifica, GSM es un producto inmaduro y con multiples limitaciones por lo que no se aconseja su uso con fines evaluativos. Igualmente se plantea que la mejora de sus prestaciones, posicionaria a GSM como una seria competencia para los productos de evaluacion de revistas existentes en el mercado de la informacion cientifica.

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