25 citations · 65 across the 10 of their papers we have counts for
4 papers · 2 filters
Severe Language Effect in University Rankings: Particularly Germany and France are wronged in citation-based rankings
Anthony F. J. van Raan, Thed N. van Leeuwen, Martijn S. Visser
We applied a set of standard bibliometric indicators to monitor the scientific state-of-arte of 500 universities worldwide and constructed a ranking on the basis of these indicator…
Towards a new crown indicator: An empirical analysis
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen +2
We present an empirical comparison between two normalization mechanisms for citation-based indicators of research performance. These mechanisms aim to normalize citation counts for…
Rivals for the crown: Reply to Opthof and Leydesdorff
Anthony F. J. van Raan, Thed N. van Leeuwen, Martijn S. Visser +2
We reply to the criticism of Opthof and Leydesdorff [arXiv:1002.2769] on the way in which our institute applies journal and field normalizations to citation counts. We point out wh…
Towards a new crown indicator: Some theoretical considerations
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen +2
The crown indicator is a well-known bibliometric indicator of research performance developed by our institute. The indicator aims to normalize citation counts for differences among…