Thelwall M "Extracting macroscopic information from Web links" JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY 52 (13): 1157-1168 NOV 2001
Eugene Garfield
garfield at CODEX.CIS.UPENN.EDU
Mon Apr 22 16:28:44 EDT 2002
Thelwall M. : m.thelwall at wlv.ac.uk.
TITLE Extracting macroscopic information from Web links
AUTHOR Thelwall M
JOURNAL JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND
TECHNOLOGY 52 (13): 1157-1168 NOV 2001
Document type: Article
Language: English
Cited References: 65
Times Cited: 1
Abstract:
Much has been written about the potential and pitfalls of macroscopic
Web-based link analysis, yet there have been no studies that have provided
clear statistical evidence that any of the proposed calculations can produce
results over large areas of the Web that correlate with phenomena external
to the Internet. This article attempts to provide such evidence through an
evaluation of Ingwersen's (1998) proposed external Web Impact Factor (WIF)
for the original use of the Web: the interlinking of academic research. In
particular, it studies the case of the relationship between academic
hyperlinks and research activity for universities in Britain, a country
chosen for its variety of institutions and the existence of an official
government rating exercise for research. After reviewing the numerous
reasons why link counts may be unreliable, it demonstrates that four
different WIFs do, in fact, correlate with the conventional academic
research measures. The WIF delivering the greatest correlation with research
rankings was the ratio of Web pages with links pointing at research-based
pages to faculty numbers. The scarcity of links to electronic academic
papers in the data set suggests that, in contrast to citation analysis, this
WIF is measuring the reputations of universities and their scholars, rather
than the quality of their publications.
KeyWords Plus:
RESEARCH ASSESSMENT EXERCISE, WORLD-WIDE-WEB, IMPACT FACTORS, SCHOLARLY
COMMUNICATION, UNIVERSITY DEPARTMENTS,
CITATION COUNTS, SEARCH ENGINE, BRITISH, CONTINUUM, ANATOMY
Addresses:
Thelwall M, Wolverhampton Univ, Sch Comp & Informat Sci, Wulfruna St,
Wolverhampton WV1 1SB, England
Wolverhampton Univ, Sch Comp & Informat Sci, Wolverhampton WV1 1SB, England
Publisher:
JOHN WILEY & SONS INC, NEW YORK
IDS Number:
485KG
ISSN:
1532-2882
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_______________________________________________________________________
Eugene Garfield, PhD. email: garfield at codex.cis.upenn.edu
home page: www.eugenegarfield.org
Tel: 215-243-2205 Fax 215-387-1266
President, The Scientist LLC. www.the-scientist.com
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