Title
Field-normalized citation impact indicators using algorithmically constructed classification systems of science.
Abstract
•We study algorithmically constructed classification systems for field normalization purposes.•It is argued that working with a few thousand fields may be an optimal choice.•University citation indicators are relatively insensitive to the classification system choice.•For individual universities, this choice may have a substantial effect.
Year
DOI
Venue
2015
10.1016/j.joi.2014.11.010
Journal of Informetrics
Keywords
Field
DocType
Field normalization,Classification systems,Clustering methodology,Citation impact indicators,University rankings
Data mining,Normalization (statistics),Ranking,Computer science,Homogeneous,Citation impact,Citation,Contrast (statistics),Granularity,Cluster analysis
Journal
Volume
Issue
ISSN
9
1
1751-1577
Citations 
PageRank 
References 
51
1.28
30
Authors
2
Name
Order
Citations
PageRank
Javier Ruiz-Castillo136624.81
Ludo Waltman22236105.47