Leydesdorff, L et al Is the United States losing ground in science? A global perspective on the world science system in 2005 PROCEEDINGS OF ISSI 2007: 11TH INTL. CONF. OF THE ISSI, VOLS I AND II 499-507, 2007
Eugene Garfield
garfield at CODEX.CIS.UPENN.EDU
Wed Jan 16 11:00:32 EST 2008
Email address:loet at leydesdorff.net
Author(s): Leydesdorff, L (Leydesdorff, Loet); Wagner, C (Wagner, Caroline)
Title: Is the United States losing ground in science? A global perspective
on the world science system in 2005
Editor(s): TorresSalinas, D; Moed, HF
Source: PROCEEDINGS OF ISSI 2007: 11TH INTERNATIONAL CONFERENCE OF THE
INTERNATIONAL SOCIETY FOR SCIENTOMETRICS AND INFORMETRICS, VOLS I AND II
499-507, 2007
Language: English
Document Type: Article
Conference Title: 11th International Conference of the International-
Society-for-Scientrometrics-and-Informetrics
Conference Date: JUN 25-27, 2007
Conference Location: Madrid, SPAIN
Conference Sponsors: Int Soc Scientrometr & Informetr, CSIC, Minist Educ &
Ciencia, FECYT, Comunidad Madrid, Eugene Garfield Fdn, Thomson Sci,
Elsevier, Journal Informetr, Scopus, Ayuntamiento Madrid, Sci Metrix, Univ
Carlos III Madrid
Author Keywords: national science; bibliometrics indicators; nanotechnology
KeyWords Plus: UK SCIENTIFIC PERFORMANCE; BIBLIOMETRIC ASSESSMENT; CHINA;
NANOTECHNOLOGY; TECHNOLOGY; INDICATORS; CENTRALITY; NATIONS; IMPACT
Abstract: Based on the Science Citation Index-Expanded web-version, the
USA is still by far the strongest nation in terms of scientific
performance. Its relative decline in percentage share of publications is
largely due to the emergence of China and other Asian nations. In terms of
citations, the competitive advantage of the American "domestic market" is
diminished, while the European Union (EU) is profiting more from the
enlargement of the database over time than the US. However, the USA is
still outperforming all other countries in terms of highly cited papers
and citation/publication ratios, and it is more successful than the EU in
coordinating its research efforts in strategic priority areas like
nanotechnology. In this field, the People's Republic of China (PRC) has
become the second largest nation in 2005 in both numbers of papers
published and citations behind the USA.
Addresses: Univ Amsterdam, ASCoR, Amsterdam, NL-1012 CX Netherlands.
Publisher Name: INT SOC SCIENTOMETRICS & INFORMETRICS-ISSI
Publisher Address: KATHOLIEKE UNIV LEUVEN, FACULTEIT E T E W, DEKENSTRAAT
2, LEUVEN, B-3000, BELGIUM
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