. 2011 Jul 10;89(1):301–314. doi: 10.1007/s11192-011-0449-z

Table 1.

A classification of some citation-based research performance indicators based on their normalization approach and the presence or absence of a recursive mechanism

	Normalization based on classification scheme	Source normalization
Non-recursive mechanism	Citation z-score (Lundberg 2007) CPP/FCSm (Moed et al. 1995) MNCS (Waltman et al. 2011) NMCR (Braun and Glänzel 1990)	Audience factor (Zitt 2010; Zitt and Small 2008) Fractional counting (Glänzel et al. 2011; Leydesdorff and Bornmann 2011) SNIP (Moed 2010) Source-normalized MNCS (Waltman and Van Eck 2010b)
Recursive mechanism		CiteRank (Walker et al. 2007) Eigenfactor (Bergstrom 2007; West et al. 2010) Influence weight (Pinski and Narin 1976) Science author rank (Radicchi et al. 2009) SCImago journal rank (González-Pereira et al. 2010) Weighted PageRank (Bollen et al. 2006)

Normalization based on classification scheme

Source normalization

Non-recursive mechanism

Citation z-score (Lundberg 2007)

CPP/FCSm (Moed et al. 1995)

MNCS (Waltman et al. 2011)

NMCR (Braun and Glänzel 1990)

Audience factor (Zitt 2010; Zitt and Small 2008)

Fractional counting (Glänzel et al. 2011; Leydesdorff and Bornmann 2011)

SNIP (Moed 2010)

Source-normalized MNCS (Waltman and Van Eck 2010b)

Recursive mechanism

CiteRank (Walker et al. 2007)

Eigenfactor (Bergstrom 2007; West et al. 2010)

Influence weight (Pinski and Narin 1976)

Science author rank (Radicchi et al. 2009)

SCImago journal rank (González-Pereira et al. 2010)

Weighted PageRank (Bollen et al. 2006)