Guerrero-Bote V.P., Moya-Anegón F. (2012). A further step forward in measuring journals' scientific prestige: The SJR2 indicator. Journal of Informetrics 6(4): 674-688
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.