345 citations · 2k across the 154 of their papers we have counts for
11 papers · 2 filters
How have the Eastern European countries of the former Warsaw Pact developed since 1990? A bibliometric study
Marcin Kozak, Lutz Bornmann, Loet Leydesdorff
Did the demise of the Soviet Union in 1991 influence the scientific performance of the researchers in Eastern European countries? Did this historical event affect international col…
How to improve the prediction based on citation impact percentiles for years shortly after the publication date?
Lutz Bornmann, Loet Leydesdorff, Jian Wang
The findings of Bornmann, Leydesdorff, and Wang (in press) revealed that the consideration of journal impact improves the prediction of long-term citation impact. This paper furthe…
Referenced Publication Years Spectroscopy applied to iMetrics: Scientometrics, Journal of Informetrics, and a relevant subset of JASIST
Loet Leydesdorff, Lutz Bornmann, Werner Marx +1
We have developed a (freeware) routine for "referenced publication years spectroscopy" (RPYS) and apply this method to the historiography of "iMetrics," that is, the junction of th…
The Wisdom of Citing Scientists
Lutz Bornmann, Werner Marx
This Brief Communication discusses the benefits of citation analysis in research evaluation based on Galton's "Wisdom of Crowds" (1907). Citations are based on the assessment of ma…
Detecting the historical roots of research fields by reference publication year spectroscopy (RPYS)
Werner Marx, Lutz Bornmann, Andreas Barth +1
We introduce the quantitative method named "reference publication year spectroscopy" (RPYS). With this method one can determine the historical roots of research fields and quantify…
The normalization of citation counts based on classification systems
Lutz Bornmann, Werner Marx, Andreas Barth
If we want to assess whether the paper in question has had a particularly high or low citation impact compared to other papers, the standard practice in bibliometrics is to normali…