6.3k citations · 9.2k across the 53 of their papers we have counts for
7 papers · 2 filters
Text mining and visualization using VOSviewer
Nees Jan van Eck, Ludo Waltman
VOSviewer is a computer program for creating, visualizing, and exploring bibliometric maps of science. In this report, the new text mining functionality of VOSviewer is presented.…
The inconsistency of the h-index
Ludo Waltman, Nees Jan van Eck
The h-index is a popular bibliometric indicator for assessing individual scientists. We criticize the h-index from a theoretical point of view. We argue that for the purpose of mea…
On the correlation between bibliometric indicators and peer review: Reply to Opthof and Leydesdorff
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen +2
Opthof and Leydesdorff [arXiv:1102.2569] reanalyze data reported by Van Raan [arXiv:physics/0511206] and conclude that there is no significant correlation between on the one hand a…
A recursive field-normalized bibliometric performance indicator: An application to the field of library and information science
Ludo Waltman, Erjia Yan, Nees Jan van Eck
Two commonly used ideas in the development of citation-based research performance indicators are the idea of normalizing citation counts based on a field classification scheme and…
Universality of citation distributions revisited
Ludo Waltman, Nees Jan van Eck, Anthony F. J. van Raan
Radicchi, Fortunato, and Castellano [arXiv:0806.0974, PNAS 105(45), 17268] claim that, apart from a scaling factor, all fields of science are characterized by the same citation dis…
Globalisation of science in kilometres
Ludo Waltman, Robert J. W. Tijssen, Nees Jan van Eck
The ongoing globalisation of science has undisputedly a major impact on how and where scientific research is being conducted nowadays. Yet, the big picture remains blurred. It is l…