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Björn Brembs
Universität Regensburg
http://brembs.net
• Thomson Reuters: Impact Factor
• Eigenfactor (now Thomson Reuters)
• ScImago JournalRank (SJR)
• Scopus: SNIP, SJR
Source Normalized Impact per Paper
Only read publications from high-ranking journals
Publikationstätigkeit
(vollständige Publikationsliste, darunter Originalarbeiten als Erstautor/in,
Seniorautor/in, Impact-Punkte insgesamt und in den letzten 5 Jahren,
darunter jeweils gesondert ausgewiesen als Erst- und Seniorautor/in,
persönlicher Scientific Citations Index (SCI, h-Index nach Web of
Science) über alle Arbeiten)
Publications:
Complete list of publications, including original research papers as first
author, senior author, impact points total and in the last 5 years, with
marked first and last-authorships, personal Scientific Citations Index
(SCI, h-Index according to Web of Science) for all publications.
Only read publications from high-ranking journals
Only publish in high-ranking journals
Is journal rank like astrology?
• Who knows what the IF is?
• Who uses the IF to pick a journal
(rate a candidate, etc.)?
• Who knows how the IF is calculated
and from what data?
A1 A2
C12
time
citations
published
articles
published
year 1 year 2 year 3
Introduced in 1950’s by Eugene Garfield: ISI
40 60
100
time
citations
published
articles
published
year 1 year 2 year 3
Introduced in 1950’s by Eugene Garfield: ISI
Journal X IF 2010=
All citations from TR indexed journals in 2012 to papers in journal X
Number of citable articles published in journal X in 20010/11
€30,000-130,000/year subscription rates
Covers ~11,500 journals (Scopus covers ~16,500)
• Negotiable
• Irreproducible
• Mathematically
unsound
• PLoS Medicine, IF 2-11 (8.4)
(The PLoS Medicine Editors (2006) The Impact Factor Game. PLoS Med 3(6): e291.
http://www.plosmedicine.org/article/info:doi/10.1371%2Fjournal.pmed.0030291)
• Current Biology IF from 7 to 11 in
2003
– Bought by Cell Press (Elsevier) in 2001…
• Rockefeller University Press bought their
data from Thomson Reuters
• Up to 19% deviation from published records
• Second dataset still not correct
Rossner M, van Epps H, Hill E (2007): Show
me the data. The Journal of Cell Biology, Vol.
179, No. 6, 1091-1092
http://jcb.rupress.org/cgi/content/full/179/6/1091
• Left-skewed distributions
• Weak correlation of individual article citation
rate with journal IF
Seglen PO (1997): Why the impact factor of journals should not be used for evaluating research. BMJ 1997;314(7079):497 (15 February)
http://www.bmj.com/cgi/content/full/314/7079/497
The weakening relationship between the Impact Factor and papers' citations in the digital age (2012): George A.
Lozano, Vincent Lariviere, Yves Gingras arXiv:1205.4328
Brown, E. N., & Ramaswamy, S. (2007). Quality of protein crystal structures. Acta Crystallographica
Section D Biological Crystallography, 63(9), 941–950. doi:10.1107/S0907444907033847
Munafò, M., Stothart, G., & Flint, J. (2009). Bias in genetic association studies and impact factor Molecular
Psychiatry, 14 (2), 119-120 DOI: 10.1038/mp.2008.77
Brembs, B., Button, K., & Munafò, M. (2013). Deep impact: unintended consequences of journal
rank. Frontiers in Human Neuroscience, 7. doi:10.3389/fnhum.2013.00291
Journal rank is a figment of
our imagination.
Fang et al. (2012): Misconduct accounts for the majority of retracted scientific publications. PNAS 109 no. 42 17028-17033
Data from: Fang, F., & Casadevall, A. (2011). RETRACTED SCIENCE AND THE RETRACTION INDEX Infection and Immunity DOI: 10.1128/IAI.05661-11
The weakening relationship between the Impact Factor and papers' citations in the digital age (2012): George A.
Lozano, Vincent Lariviere, Yves Gingras arXiv:1205.4328
“High-Impact” journals attract
the most unreliable research
“Do you trust scientists?”
“Who can you trust these days?”
“Politicians? Financial experts? Realtors?“
The disaster of our digital
infrastructure
Journal rank is a relic of the
print era
Modified from ARL: http://www.arl.org/bm~doc/arlstats06.pdf, http://www.arl.org/bm~doc/arlstat08.pdf
%Change
-50
0
50
100
150
200
250
300
350
400
1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008
Subscription prices
CPI/inflation
Journals purchased
Institutions produce
publications, data and software
Dysfunctional scholarly
literature
• No scientific impact
analysis
• Limited access
• No global search
• No functional hyperlinks
• No flexible data
visualization
• No submission
standards
• (Almost) no statistics
• No text/data-mining
• No effective way to
sort, filter and discover
• No networking feature
• etc.
…it’s like the
web in 1995!
Scientific data in peril
Non-existent software
archives
• Institutional email
• Institutional
webspace
• Institutional blog
• Library access card
• Open access
repository
• No archiving of
publications
• No archiving of
software
• No archiving of
data
Science, tear down this
paywall!
• Harvest all Open Access Publications
– Accessible via single interface
– Not just from green repositories
– Everything not obviously illegal
• Integrate resulting database
– PubMed
– Google Scholar
• Plug the gaps:
• Global search and access for all
literature, software and data
• Intelligent sort, filter and discover
functionalities
• Scientific, evidence-based reputation system
• Authoring tool for collaborative writing ans
single-click submission
• Orders of magnitude cheaper: US$90/paper
(e.g. SciELO) vs. US$4,800/paper (subscription)

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The pernicious habit of ranking scientists by the journals they publish in

  • 2.
  • 3. • Thomson Reuters: Impact Factor • Eigenfactor (now Thomson Reuters) • ScImago JournalRank (SJR) • Scopus: SNIP, SJR Source Normalized Impact per Paper
  • 4. Only read publications from high-ranking journals
  • 5.
  • 6. Publikationstätigkeit (vollständige Publikationsliste, darunter Originalarbeiten als Erstautor/in, Seniorautor/in, Impact-Punkte insgesamt und in den letzten 5 Jahren, darunter jeweils gesondert ausgewiesen als Erst- und Seniorautor/in, persönlicher Scientific Citations Index (SCI, h-Index nach Web of Science) über alle Arbeiten) Publications: Complete list of publications, including original research papers as first author, senior author, impact points total and in the last 5 years, with marked first and last-authorships, personal Scientific Citations Index (SCI, h-Index according to Web of Science) for all publications.
  • 7. Only read publications from high-ranking journals
  • 8. Only publish in high-ranking journals
  • 9. Is journal rank like astrology?
  • 10. • Who knows what the IF is? • Who uses the IF to pick a journal (rate a candidate, etc.)? • Who knows how the IF is calculated and from what data?
  • 11. A1 A2 C12 time citations published articles published year 1 year 2 year 3 Introduced in 1950’s by Eugene Garfield: ISI
  • 12. 40 60 100 time citations published articles published year 1 year 2 year 3 Introduced in 1950’s by Eugene Garfield: ISI
  • 13. Journal X IF 2010= All citations from TR indexed journals in 2012 to papers in journal X Number of citable articles published in journal X in 20010/11 €30,000-130,000/year subscription rates Covers ~11,500 journals (Scopus covers ~16,500)
  • 14. • Negotiable • Irreproducible • Mathematically unsound
  • 15. • PLoS Medicine, IF 2-11 (8.4) (The PLoS Medicine Editors (2006) The Impact Factor Game. PLoS Med 3(6): e291. http://www.plosmedicine.org/article/info:doi/10.1371%2Fjournal.pmed.0030291) • Current Biology IF from 7 to 11 in 2003 – Bought by Cell Press (Elsevier) in 2001…
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21. • Rockefeller University Press bought their data from Thomson Reuters • Up to 19% deviation from published records • Second dataset still not correct Rossner M, van Epps H, Hill E (2007): Show me the data. The Journal of Cell Biology, Vol. 179, No. 6, 1091-1092 http://jcb.rupress.org/cgi/content/full/179/6/1091
  • 22. • Left-skewed distributions • Weak correlation of individual article citation rate with journal IF Seglen PO (1997): Why the impact factor of journals should not be used for evaluating research. BMJ 1997;314(7079):497 (15 February) http://www.bmj.com/cgi/content/full/314/7079/497
  • 23. The weakening relationship between the Impact Factor and papers' citations in the digital age (2012): George A. Lozano, Vincent Lariviere, Yves Gingras arXiv:1205.4328
  • 24. Brown, E. N., & Ramaswamy, S. (2007). Quality of protein crystal structures. Acta Crystallographica Section D Biological Crystallography, 63(9), 941–950. doi:10.1107/S0907444907033847
  • 25. Munafò, M., Stothart, G., & Flint, J. (2009). Bias in genetic association studies and impact factor Molecular Psychiatry, 14 (2), 119-120 DOI: 10.1038/mp.2008.77
  • 26. Brembs, B., Button, K., & Munafò, M. (2013). Deep impact: unintended consequences of journal rank. Frontiers in Human Neuroscience, 7. doi:10.3389/fnhum.2013.00291
  • 27. Journal rank is a figment of our imagination.
  • 28. Fang et al. (2012): Misconduct accounts for the majority of retracted scientific publications. PNAS 109 no. 42 17028-17033
  • 29. Data from: Fang, F., & Casadevall, A. (2011). RETRACTED SCIENCE AND THE RETRACTION INDEX Infection and Immunity DOI: 10.1128/IAI.05661-11
  • 30. The weakening relationship between the Impact Factor and papers' citations in the digital age (2012): George A. Lozano, Vincent Lariviere, Yves Gingras arXiv:1205.4328
  • 31. “High-Impact” journals attract the most unreliable research
  • 32.
  • 33. “Do you trust scientists?”
  • 34. “Who can you trust these days?”
  • 36. The disaster of our digital infrastructure
  • 37. Journal rank is a relic of the print era
  • 38.
  • 39.
  • 40. Modified from ARL: http://www.arl.org/bm~doc/arlstats06.pdf, http://www.arl.org/bm~doc/arlstat08.pdf %Change -50 0 50 100 150 200 250 300 350 400 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 Subscription prices CPI/inflation Journals purchased
  • 41.
  • 42.
  • 45. • No scientific impact analysis • Limited access • No global search • No functional hyperlinks • No flexible data visualization • No submission standards • (Almost) no statistics • No text/data-mining • No effective way to sort, filter and discover • No networking feature • etc. …it’s like the web in 1995!
  • 47.
  • 48.
  • 50.
  • 51.
  • 52. • Institutional email • Institutional webspace • Institutional blog • Library access card • Open access repository • No archiving of publications • No archiving of software • No archiving of data
  • 53. Science, tear down this paywall!
  • 54.
  • 55.
  • 56.
  • 57. • Harvest all Open Access Publications – Accessible via single interface – Not just from green repositories – Everything not obviously illegal • Integrate resulting database – PubMed – Google Scholar • Plug the gaps:
  • 58.
  • 59. • Global search and access for all literature, software and data • Intelligent sort, filter and discover functionalities • Scientific, evidence-based reputation system • Authoring tool for collaborative writing ans single-click submission • Orders of magnitude cheaper: US$90/paper (e.g. SciELO) vs. US$4,800/paper (subscription)