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Ludo Waltman
Ludo Waltman
Researcher at the Centre for Science and Technology Studies, Leiden University
在 cwts.leidenuniv.nl 的电子邮件经过验证
标题
引用次数
引用次数
年份
VOSviewer: A Computer Program for Bibliometric Mapping
NJP Eck, LR Waltman
ERIM report series research in management Erasmus Research Institute of …, 2009
15195*2009
VOSviewer: A computer program for bibliometric mapping
NJ Van Eck, LR Waltman
Erasmus Research Institute of Management, Erasmus University, 2009
15191*2009
Software survey: VOSviewer, a computer program for bibliometric mapping
NJ Van Eck, L Waltman
Scientometrics 84 (2), 523-538, 2010
151842010
VOSviewer Manual
NJ van Eck, L Waltman
3945*2009
A unified approach to mapping and clustering of bibliometric networks
L Waltman, NJ Van Eck, E Noyons
Journal of Informetrics 4 (4), 629-635, 2010
21002010
Text mining and visualization using VOSviewer
NJ van Eck, L Waltman
Arxiv preprint arXiv:1109.2058, 2011
11282011
A comparison of two techniques for bibliometric mapping: Multidimensional scaling and VOS
NJ Van Eck, L Waltman, R Dekker, J van den Berg
Journal of the American Society for Information Science and Technology, 2010
10362010
How to normalize cooccurrence data? An analysis of some well‐known similarity measures
NJ Eck, L Waltman
Journal of the American Society for Information Science and Technology 60 (8 …, 2009
10252009
VOS: A new method for visualizing similarities between objects
N Eck, L Waltman
Advances in Data Analysis, 299-306, 2007
7252007
Towards a new crown indicator: Some theoretical considerations
L Waltman, NJ van Eck, TN van Leeuwen, MS Visser, AFJ van Raan
Journal of Informetrics 5 (1), 37-47, 2011
5102011
The inconsistency of the h‐index
L Waltman, NJ van Eck
Journal of the American Society for Information Science and Technology, 2011
4282011
Bibliometric mapping of the computational intelligence field
NJ Van Eck, L Waltman
Erasmus Research Institute of Management, Erasmus University, 2007
3762007
Automatic term identification for bibliometric mapping
NJ Van Eck, L Waltman, ECM Noyons, RK Buter
Scientometrics 82 (3), 581-596, 2010
3252010
Towards a new crown indicator: An empirical analysis
L Waltman, NJ Van Eck, TN Van Leeuwen, MS Visser, AFJ van Raan
Scientometrics 87 (3), 467-481, 2011
2882011
Generalizing the h-and g-indices
NJ Van Eck, L Waltman
Journal of Informetrics 2 (4), 263-271, 2008
1972008
Visualizing the computational intelligence field [Application Notes]
NJ van Eck, L Waltman, J den Berg, U Kaymak
Computational Intelligence Magazine, IEEE 1 (4), 6-10, 2006
1512006
Visualizing the Computational Intelligence Field
LR Waltman, J Berg, U Kaymak, NJP Eck
IEEE Computational Intelligence Magazine, 2006
151*2006
Q-learning agents in a Cournot oligopoly model
L Waltman, U Kaymak
Journal of Economic Dynamics and Control 32 (10), 3275-3293, 2008
1492008
Globalisation of science in kilometres
L Waltman, RJW Tijssen, NJ Eck
Journal of Informetrics, 2011
1482011
Rivals for the crown: Reply to Opthof and Leydesdorff
AFJ van Raan, TN van Leeuwen, MS Visser, NJ van Eck, L Waltman
Journal of Informetrics 4 (3), 431-435, 2010
1232010
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