A priori vs. a posteriori normalisation of citation indicators. The case of journal ranking

被引：36

作者：

Glaenzel, Wolfgang ^{[1
,2
,3
]}

Schubert, Andras ^{[3
]}

Thijs, Bart ^{[1
,2
]}

Debackere, Koenraad ^{[1
,2
]}

机构：

[1] Katholieke Univ Leuven, Ctr R&D Monitoring, Louvain, Belgium

[2] Katholieke Univ Leuven, Dept MSI, Louvain, Belgium

[3] Hungarian Acad Sci, Inst Res Policy Studies, Budapest, Hungary

来源：

SCIENTOMETRICS | 2011年 / 87卷 / 02期

关键词：

Citation measures; Normalisation; Journal impact measures; Journal ranking; Characteristic scores and scales; IMPACT FACTOR; RESEARCH PERFORMANCE; RELATIVE INDICATORS; IMMEDIACY INDEX; CHARTS; OUTPUT;

D O I：

10.1007/s11192-011-0345-6

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Two paradigmatic approaches to the normalisation of citation-impact measures are discussed. The results of the mathematical manipulation of standard indicators such as citation means, notably journal Impact Factors, (called a posteriori normalisation) are compared with citation measures obtained from fractional citation counting (called a priori normalisation). The distributions of two subfields of the life sciences and mathematics are chosen for the analysis. It is shown that both methods provide indicators that are useful tools for the comparative assessment of journal citation impact.

引用

页码：415 / 424

页数：10

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