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K. Antelman (2004):
open-access articles have a greater research impact? Open access, Coll. Res.
Libr., 65: 372-382.
"... The finding is that, across all four disciplines, freely available articles do have a greater research impact. ..."
É. Archambault and V. Larivière (2009):
of the journal impact factor: Contingencies and consequences. In PDF,
Website outdated, download a version archived by the Internet Archive´s Wayback Machine.
J.R.F. Arruda et al. (2016): The Journal Impact Factor and its discontents: steps toward responsible metrics and better research assessment. Open Scholarship Initiative Proceedings, 1.
! BiologyBrowser (produced by Thomson Scientific). This is a free web site offering resources for the life sciences information community.
Johan Bollen, Marko A. Rodriguez, Herbert Van de Sompel: Journal Status PDF file; Scientometrics, volume 69, number 3, pp. 669-687, 2006.
! M. Bordons et al. (2002): Advantages and limitations in the use of impact factor measures for the assessment of research performance. In PDF, Scientometrics, 53: 195–206.
K. Bosse and G. Beyer (2014), in German:
ZEIT Campus, 6. See especially:
Was ist der "impact factor"?
Was bedeutet Open Access?
Was bringt "Research Gate"?
! Declan Butler, nature news (2008): Free journal-ranking tool enters citation market. Database offers on-the-fly results.
A. Casadevall et al. (2016): ASM journals eliminate impact factor information from journal websites. Clin. Microbiol. Rev., 29.
Citizendium (an open wiki project dedicated to creating a free, comprehensive, and reliable repository of structured knowledge): Journal impact factor.
B. Crew (2019): Google Scholar reveals its most influential papers for 2019. From Nature Index, a database of author affiliation information, collated from research articles published in an independently selected group of 82 high-quality science journals.
! Eigenfactor.org (maintained by Carl and Ted Bergstrom, Department of Biology, University of Washington). Eigenfactor is a rating of the importance of a scientific journal, comparable to Google´s Pagerank algorithm. Eigenfactor.org (containing 115,000 reference items) also reports journal prices as well as citation influence. Excellent!
! Journals for Paleontological Research. Peer-reviewed journals are listed by their impact factors and CiteScore Index on popular demand. Excellent!
! E. Garfield (2006): The history and meaning of the journal impact factor. JAMA-Journal of the American Medical Association, 295: 90-93. See also here.
E. Garfield (1994): The Thomson Reuters Impact Factor. Provided by Clarivate.
Harvard College Library:
the Citation Indexes (Web of Science).
Now provided by the Internet Archive´s Wayback Machine.
! Anne-Wil Harzing: Publish or Perish. This is a software program that retrieves and analyzes academic citations. It uses Google Scholar to obtain the citations. See also here.
Library, University of Heidelberg: Impact Factor. An annotated link list (in German).
Library, Hunter College: Research Guide for Graduate Science Students, Journal Rankings.
P. Kraker and E. Lex (2015): A critical look at the ResearchGate score as a measure of scientific reputation. In PDF.
! John Lavas, University Library, The University of Auckland:
Ranking for Biological and Marine Sciences.
The purpose of this page is to give an explanation of the various methods which have
been used to rank scientific journals.
This expired link is available through the Internet Archive´s Wayback Machine.
P.A. Lawrence (2007): The Mismeasurement of Science. Open access, Current Biology, 17. See also here (PDF file).
Information Retrieval Services (IVS-BM), Max Planck Institute of Biochemistry, Martinsried: Citation Analyses and Impact Factors. Annotated links (some in German, chiefly in PDF format).
L. Meho and K. Yang (2007):
of data sources on citation counts and rankings of LIS faculty: Web of Science
versus Scopus and Google Scholar. In PDF,
Journal of the American Society for Information Science and Technology, 58: 2105-2125.
"... Results show that Scopus significantly alters the relative ranking of those scholars that appear in the middle of the rankings and that GS [Google Scholar] stands out in its coverage of conference proceedings as well as international, non-English language journals. The use of Scopus and GS, in addition to WoS [Web of Science], helps reveal a more accurate and comprehensive picture of the scholarly impact of authors. ..."
Library, University of Melbourne: Journal Impact resources. Tools to measure journal impact.
S.K. Mishra, North-Eastern Hill University, Shillong: Does the Journal Impact Factor help make a Good Indicator of Academic Performance? PDF file.
(an amalgamation of Open Access Publications and worldwide international science conferences and events):
Open Access Journals Impact Factors. See especially:
! Geology & Earth Science Journals.
! Plant Sciences Journals.
W.R. Riedel et al. (2006): Moving Fingers: Coming of Age: ISI & Googling. In PDF, Palaeontologia Electronica, 9.
D.H. Schunk and, P.A. Ertmer (1999): Self-regulation and academic learning: Self-efficacy enhancing interventions. In PDF.
! P.O. Seglen (1997): Why the impact factor of journals should not be used for evaluating research. In PDF, BMJ, 314: 498-502.
! Science Gateway: High Impact Journals. Go to: Journals Ranked by Impact: Geology, Paleontology, and Plant Sciences.
! Thomson Reuters
! Thomson.com: The ISI Impact Factor. Go to: Journal Citation Reports. Journal performance metrics, including impact factor. See also: Science Citation Index Expanded. You can view a list of all journals covered in a specific category or find a specific journal by title, title words, or ISSN.
The Washington Post:
Impact factor 911 is a joke (by Andrew Gelman, 2013).
! Wikipedia, the free encyclopedia:
Web of Science.
Web of Science (in German).
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