A futher step forward in measuring journals' scientific prestige: The SJR2 indicator

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A futher step forward in measuring journals' scientific prestige: The SJR2 indicator

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dc.contributor.author Guerrero Bote, Vicente P.
dc.contributor.author Moya-Anegón, Félix de
dc.date.accessioned 2013-11-15T12:38:57Z
dc.date.available 2013-11-15T12:38:57Z
dc.date.issued 2012-07
dc.identifier.other arXiv:1201.4639
dc.identifier.uri http://hdl.handle.net/10662/635
dc.description.abstract A new size-independent indicator of scientific journal prestige, the SJR2 indicator, is proposed. This indicator takes into account not only the prestige of the citing scientific journal but also its closeness to the cited journal using the cosine of the angle between the vectors of the two journals' cocitation profiles. To eliminate the size effect, the accumulated prestige is divided by the fraction of the journal's citable documents, thus eliminating the decreasing tendency of this type of indicator and giving meaning to the scores. Its method of computation is described, and the results of its implementation on the Scopus 2008 dataset is compared with those of an ad hoc Journal Impact Factor, JIF(3y), and SNIP, the comparison being made both overall and within specific scientific areas. All three, the SJR2 indicator, the SNIP indicator and the JIF distributions, were found to fit well to a logarithmic law. Although the three metrics were strongly correlated, there were major changes in rank. In addition, the SJR2 was distributed more equalized than the JIF by Subject Area and almost as equalized as the SNIP, and better than both at the lower level of Specific Subject Areas. The incorporation of the cosine increased the values of the flows of prestige between thematically close journals. es_ES
dc.format.extent 29 p. es_ES
dc.format.mimetype application/pdf en_US
dc.language.iso eng es_ES
dc.relation.ispartof Arxiv es_ES
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/ *
dc.subject Indicador SJR2 es_ES
dc.subject Revistas académicas es_ES
dc.subject Revistas de prestigio es_ES
dc.subject SJR2 indicator es_ES
dc.subject Academic journals es_ES
dc.subject Journal prestige es_ES
dc.subject Eigenvector centrality es_ES
dc.subject Citation networks es_ES
dc.subject Redes de citación es_ES
dc.title A futher step forward in measuring journals' scientific prestige: The SJR2 indicator es_ES
dc.type article es_ES
europeana.type TEXT en_US
dc.rights.accessRights openAccess es_ES
dc.subject.unesco 5701.02 Documentación Automatizada es_ES
dc.subject.unesco 5701.06 Documentación es_ES
europeana.dataProvider Universidad de Extremadura. España es_ES
dc.type.version publishedVersion es_ES
dc.contributor.affiliation Universidad de Extremadura. Departamento de Información y Comunicación es_ES
dc.contributor.affiliation CSIC
dc.relation.publisherversion arxiv.org/abs/1201.4639 es_ES

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