Scientometrics, Vol. 78, No. 3 (2009)
Eugene Garfield
eugene.garfield at THOMSON.COM
Tue Mar 3 15:19:13 EST 2009
Scientometrics, Vol. 78, No. 3 (2009)
Full Citations, Author Information and Abstracts follow the Contents Page
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CONTENTS
Javier Valles-Valenzuela, María D. Pérez-Cárceles, Eduardo Osuna, Aurelio
Luna Quantitative analysis of Spanish university scientific output in the
area of Legal and Forensic Medicine: International exposure 383
Chiang Kao
The authorship and country spread of Operation Research journals 397
Ron Johnston
The extent of influence: An alternative approach to identifying dominant
contributors to a discipline’s literature 409
Hua Yang
The top 40 citation classics in the Journal of the American Society for
Information Science and Technology 421
Eric Zimmerman, Wolfgang Glänzel, Judit Bar-Ilan
Scholarly collaboration between Europe and Israel: A scientometric
examination of a changing landscape 427
C. B. Amat, A. Yegros Yegros
Median age difference of references as indicator of information update of
research groups: A case study in Spanish food research 447
Pablo Jensen, Jean-Baptiste Rouquier, Yves Croissant
Testing bibliometric indicators by their prediction of scientists promotions
467
Zhiqiang Wu
An empirical study of the accessibility of web references in two Chinese
academic journals 481
Kazuaki Yanagisawa, Shoji Takahashi
Socio-economic effects of the material science in JAERI 505
Paul F. Skilton
Does the human capital of teams of natural science authors predict citation
frequency? 525
Yoshiyuki Takeda, Yuya Kajikawa
Optics: a bibliometric approach to detect emerging research domains and
intellectual bases 543
András Schubert
Using the h-index for assessing single publications 559
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TITLE : Quantitative analysis of Spanish university scientific output
in the area of Legal and Forensic Medicine: International exposure
AUTHOR :JAVIER VALLES-VALENZUELA,a MARÍA D. PÉREZ-CÁRCELES,b EDUARDO
OSUNA,b AURELIO LUNAb
a National Library of Mexico, Ciudad Universitaria, Mexico City, 04510,
Mexico
b Department of Legal and Forensic Medicine, School of Medicine, University
of Murcia, E-30100 Espinardo, Murcia, Spain
Address for correspondence:
MARÍA D. PÉREZ-CÁRCELES
E-mail: mdperez at um.es
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 383–395
DOI: 10.1007/s11192-007-1808-2
ABSTRACT:
We set out to analyse and quantify the papers published (for an
international readership) by Spanish universities in the field of Legal and
Forensic Medicine. For this, we used the MEDLINE data base, to analyse
research articles in which a Spanish university teacher (whose sole
employment was with a university, as registered by the Ministry of
Education in July 2005, (n = 67), appeared as author or co-author in this
field. The years covered are 1952 (First year that a Spanish author appears
for an article on Legal and Forensic Medicine in this service) to July
2005. A total of 770 articles were counted; the productivity in this area
was increasing substantially from the 1980’s onwards. English language
scientific journals were the preferred channel of communication. Slightly
more than 85% of the works can be classified into four themes, of which
Genetics is the most prolific. The number of papers published in English
journals represented 84% of the total and only 13% was published in Spanish
journals. There was a close relationship between growth in the authority
index and inter-institutional co-operation, which boosted the production of
articles. When at least one of the authorship of a published paper was a
Spanish university teacher, the research was led by a university in 62.4%
of cases, and of this 85.6% were Spanish universities.
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TITLE : The authorship and country spread of Operation Research journals
AUTHOR : CHIANG KAO
Department of Industrial and Information Management, National Cheng Kung
University, Tainan, Taiwan, Republic of China
Address for correspondence:
CHIANG KAO
E-mail: ckao at mail.ncku.edu.tw
JOURNAL ; Scientometrics, Vol. 78, No. 3 (2009) 397–407
DOI: 10.1007/s11192-008-1850-0
ABSTRACT:
This paper surveys 56 internationally renowned OR journals published in
1996–2005 with regard to authorship. Our findings show that the USA was the
country that contributed the largest amount, approximately one-third, of
research results to OR journals. Authors tend to publish papers in their
home-country journals. Journal of the Operations Research Society of Japan
has the highest author concentration, with more than 85% of the authors
from Japan and European Journal of Operational Research, on the contrary,
has the widest country spread of its authors. The entropy measure provides
a whole picture of the share of all countries, based on which the editorial
policy of a journal can be adjusted.
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TITLE : The extent of influence: An alternative approach to identifying
dominant contributors to a discipline’s literature
AUTHOR : RON JOHNSTON
School of Geographical Sciences, University of Bristol, Bristol BS8 1SS, UK
Address for correspondence:
RON JOHNSTON
E-mail: R.Johnston at bristol.ac.uk
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 409–420
DOI: 10.1007/s11192-007-2015-2
ABSTRACT:
Most studies of scholarly influence within disciplines using citation data
do not investigate the extent of an individual’s influence; does it extend
over a number of years with a sequence of publications or is it confined to
a short period and a small number of publications? Using bibliographic data
from a series of quadrennial reports into developments in UK geography,
this paper finds that few authors are cited on more than one occasion.
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TITLE : The top 40 citation classics in the Journal of the American
Society for Information Science and Technology
AUTHOR : HUA YANG
Library of Shengjing Hospital, China Medical University, Shenyang,
Liaoning, 110004, P. R. China
Address for correspondence:
HUA YANG
E-mail: yangh at cmu2h.org, yangh8888 at vip.sina.com
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 421–426
DOI: 10.1007/s11192-007-2011-6
ABSTRACT:
This study used citation analysis method to identify the 40 classics
published in the Journal of the American Society for Information Science
and Technology from 1956 to 2007. The year and subject distributions of
these classic references reflect the history and the current status of
information science.
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TITLE : Scholarly collaboration between Europe and Israel: A
scientometric examination of a changing landscape
AUTHOR : ERIC ZIMMERMAN,a WOLFGANG GLÄNZEL,b JUDIT BAR-ILANc
a Interdisciplinary Center Herzliya (IDC), P.O. Box 167 Herzliya 46150
Israel
b Katholieke Universiteit Leuven, Steunpunt O&O Indicatoren, Dept. MSI,
Leuven, Belgium
c Department of Information Science, Bar-Ilan University, Ramat Gan, 52900
Israel
Address for correspondence:
ERIC ZIMMERMAN
E-mail: zimmee at idc.ac.il
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 427–446
DOI: 10.1007/s11192-007-2044-x
ABSTRACT:
In this paper we examine various aspects of the scientific collaboration
between Europe and Israel, and show that the traditional collaboration
patterns of Israel (preference towards collaboration with the US) is
changing, and the collaboration with the EU countries is growing.
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TITLE : Median age difference of references as indicator of information
update of research groups: A case study in Spanish food research
AUTHOR : C. B. AMAT,a A. YEGROS YEGROSb
a Instituto de Agroquímica y Tecnología de Alimentos (IATA CSIC), P.O. Box
73, 46016 Burjassot, Spain
b Institute of Innovation and Knowledge Management INGENIO (CSIC-UPV),
Ciudad Politécnica de la Innovación, 8E Building, Camino de Vera s/n, 46022-
Valencia, Spain
Address for correspondence:
C. B. AMAT
E-mail: carbea at iata.csic.es
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 447–465
DOI: 10.1007/s11192-007-1993-4
ABSTRACT:
Median age difference (D) is obtained by subtracting median value of the
age distribution of references of a scientific paper from citing half life
of the journal that published it. Such an indicator can be related to the
state of knowledge of research groups and can show some interesting
properties: 1) it must be related with the incorporation of information
pieces in an informal way, say the rate of self-citations; 2) it must
follow the natural tendency of the groups towards a progressively updated
state of knowledge, and 3) more productive groups will tend to use more
recent information. These natural hypotheses have been investigated using a
medium sized Spanish institution devoted to Food Research as a case study.
Scientific output comprised 439 papers published in SCI journals between
1999 and 2004 by 16 research teams. Their 14,617 references were analyzed.
Variables studied were number of published papers by every team, number of
authors per paper, number of references per paper, type of documents cited,
self citation rate and chronological range of reference lists.
Number of authors per paper ranged between 1 and 15. The most frequent
value (N = 128) was 3 authors. Average number of authors per paper is 4.03
(SD = 1.74). Mean number of references per paper (including review papers)
is 33.3 (SD= 17.39) with slight differences between the groups. Mean self-
citation rate was 13.72 % (SD = 11.7). The greatest chronological range was
119 years; half of all ranges was 30 years and the general mean for this
variable was 33.34 years (SD = 16.34). D values were associated with self-
citation rate and a negative relationship between D and chronological range
of references was also found. Nevertheless, correlation figures were too
small to reach sound conclusions about the effect of these variables.
Number of references per paper, number of contributing authors and number
of papers published by each team were not associated with D.
D values can discriminate between groups managing updated information and
delayed research teams. Publication delay affects D figures. Discontinuity
of research lines, heterogeneity of research fields and the short time
lapse studied could have some influence on the results of the study. It is
suggested that a great coverage is needed to evaluate properly D figures as
indicators of information update of research groups.
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TITLE : Testing bibliometric indicators by their prediction of
scientists promotions
AUTHOR : PABLO JENSEN,a,b,c,d JEAN-BAPTISTE ROUQUIER,a,b,e YVES
CROISSANTa,d
a Université de Lyon, Lyon, France
b Institut des Systèmes Complexes Rhône-Alpes (IXXI), France
c Laboratoire de Physique, École Normale Supérieure de Lyon and CNRS, 69007
Lyon, France
d Laboratoire d’Économie des Transports, Université Lyon 2 and CNRS, 69007
Lyon, France
e Laboratoire d’Informatique du Parallèlisme, École Normale Supérieure de
Lyon and CNRS, 69007 Lyon, France
Address for correspondence:
PABLO JENSEN
E-mail: pablo.jensen at ens-lyon.fr
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 467–479
DOI: 10.1007/s11192-007-2014-3
ABSTRACT:
We have developed a method to obtain robust quantitative bibliometric
indicators for several thousand scientists. This allows us to study the
dependence of bibliometric indicators (such as number of publications,
number of citations, Hirsch index...) on the age, position, etc. of CNRS
scientists. Our data suggests that the normalized h-index (h divided by the
career length) is not constant for scientists with the same productivity
but different ages.
We also compare the predictions of several bibliometric indicators on the
promotions of about 600 CNRS researchers. Contrary to previous
publications, our study encompasses most disciplines, and shows that no
single indicator is the best predictor for all disciplines. Overall,
however, the Hirsch index h provides the least bad correlations, followed
by the number of papers published. It is important to realize however that
even h is able to recover only half of the actual promotions. The number of
citations or the mean number of citations per paper are definitely not good
predictors of promotion.
Due to space constraints, this paper is a short version of a more detailed
article. [JENSEN & AL., 2008B]
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TITLE : An empirical study of the accessibility of web references in
two Chinese academic journals
AUTHOR : ZHIQIANG WU
School of Business, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Address for correspondence:
ZHIQIANG WU
E-mail: zsujimmy at 163.com
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 481–503
DOI: 10.1007/s11192-007-1951-1
ABSTRACT :
To discover the current situation and characteristics of web reference
accessibility, the present study examined the accessibility of 1,637 web
references in two key Chinese academic journals published from 1999 to
2003. The author develops linear regression models to demonstrate the decay
of web reference accessibility. The study examines the influence of high
use of web references in a paper, the associations between web reference
accessibility and generic domain, country domain, protocol, and resource
type, respectively, and classifies inaccessible web references according to
Internet Explorer feedbacks. It compares the retrieval efficacy among three
kinds of retrieval methods and reports on the limitations of Internet
Archive.
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TITLE : Socio-economic effects of the material science in JAERI
AUTHOR : KAZUAKI YANAGISAWA,a SHOJI TAKAHASHIb
a Japan Atomic Energy Agency, 1233 Watanuki, Takasaki, Gunma 370-1292 Japan
b Graduate of Economics, Rikkyo University, Tokyo, Japan
Address for correspondence:
KAZUAKI YANAGISAWA
E-mail: yanagisawa.kazuaki at jaea.go.jp
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 505–524
DOI: 10.1007/s11192-008-1636-4
ABSTRACT:
A socio-economic networking (SEN) of the public funded basic research
(PFBR) in the Japan Atomic Energy Research Institute (JAERI) was studied by
the bibliometric method combined with the international nuclear database
INIS. As PFBR, Material Science (MS) research of JAERI is chosen. The
appropriateness of the present bibliometric method is discussed. The
authors believe that this method is applicable to studying the socio-
economic effect on PFBR. The shortcoming of it is, however, the use of the
inevitable usage of biased EBRF (ranked keywords), accompanied with the
feeling of unfairness. The authors confirm that the S-matrix has a
potential capability to show the quantitative magnitude of co-operation
among research institutions avoiding significant bias.
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TITLE : Does the human capital of teams of natural science authors
predict citation frequency?
AUTHOR : PAUL F. SKILTON
Morrison School of Management and Agribusiness, Arizona State University-
Polytechnic, USA
Address for correspondence:
PAUL F. SKILTON
E-mail: pskilton at asu.edu
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 525–542
DOI: 10.1007/s11192-007-1953-z
ABSTRACT:
This study examines the relationship between citation frequency and the
human capital of teams of authors. Analysis of a random sample of articles
published in top natural science journals shows that articles co-authored
by teams including frequently cited scholars and teams whose members have
diverse disciplinary backgrounds have greater citation frequency. The
institutional prestige, the percentage of team members at U. S.
institutions and the variety of disciplines represented by team member
backgrounds do not influence citation frequency. The study introduces a
method for evaluating the extent of multidisciplinarity that accounts for
the relatedness of disciplines or authors.
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TITLE : Optics: a bibliometric approach to detect emerging research
domains and intellectual bases
AUTHOR : YOSHIYUKI TAKEDA, YUYA KAJIKAWA
Institute of Engineering Innovation, School of Engineering, University of
Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan
Address for correspondence:
YOSHIYUKI TAKEDA
E-mail: takeda at sogo.t.u-tokyo.ac.jp
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 543–558
DOI: 10.1007/s11192-007-2012-5
ABSTRACT:
Optics is an important research domain both for its scientific interest and
industrial applications. In this paper, we constructed a citation network
of papers and performed topological clustering method to investigate the
structure of research and to detect emerging research domains in optics. We
found that optics consists of main five subclusters, optical communication,
quantum optics, optical data processing, optical analysis and lasers. Then,
we further investigated the detailed subcluster structures in it. By doing
so, we detected some emerging research domains such as nonlinearity in
photonic crystal fiber, broad band parametric amplifier, and in-vivo
imaging techniques. We also discuss the distinction between research front
and intellectual base in optics.
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TITLE : Using the h-index for assessing single publications
AUTHOR : ANDRÁS SCHUBERT
a Hungarian Academy of Sciences, Institute for Research Policy Studies,
Budapest, Hungary
Address for correspondence:
ANDRÁS SCHUBERT
E-mail: schuba at iif.hu
JOURNAL : Scientometrics, Vol. 78, No. 3 (2009) 559–565
DOI: 10.1007/s11192-008-2208-3
ABSTRACT:
It is shown that a Hirsch-type index can be used for assessing single
highly cited publications by calculating the h-index of the set of papers
citing the work in question. This index measures not only the direct impact
of a publication but also its indirect influence through the citing papers.
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