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Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
Bibliometric Analyses at Wageningen UR
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Bibliometric Analyses at Wageningen UR

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  • 1. Bibliometric analyses at Wageningen UR Wouter Gerritsma, Information specialist, Wageningen UR Library
  • 2. My article has been cited 22 times! But was does it mean? Image: www.rcac.net.au
  • 3. How do we compare numbers? <ul><li>Scientist Z.B. Math has a publication from 1998 with 17 citations </li></ul><ul><li>Scientist M. Biology has a publication from 2005 with 34 citations </li></ul>
  • 4. Baselines Mathematics
  • 5. Baselines Molecular Biology
  • 6. In practice: Normalization <ul><li>Hink MA, Bisseling T & Visser AJWG (2002) Imaging protein-protein interactions in living cells. PLANT MOLECULAR BIOLOGY, 50(6): 871-883 </li></ul><ul><ul><li>Times cited: 58 times </li></ul></ul><ul><li>Plant Molecular Biology (look up in journals menu ESI) </li></ul><ul><ul><li>Plant & Animal Science </li></ul></ul><ul><li>Baseline data (from ESI) </li></ul><ul><ul><li>Article from 2002 in Plant & Animal Science: Average: 9.58 citations, 10%: 22 citations, 1%: 76 citations </li></ul></ul><ul><li>RI= 58 / 8.69 = 6.05 </li></ul>
  • 7. Two problems not yet touched upon <ul><li>Publication behaviour in de Social Science and Humaniora </li></ul><ul><li>Aggregation from a single publication to a set of publications </li></ul>
  • 8. The two ways of normalization
  • 9. Example: Communication Studies Less than a third of the publications Nearly half the citations Half the baselines values 1.10 339.4 374 62   Aggregate 3.84 9.12 35 10 Social science, general 0.22 22.3 5 1 Psychiatry/Psychology 1.74 4.6 8 3 Neuroscience & Behaviour 0.00 4.6 0 1 Molecular Biology & Genetics 1.77 30.53 54 8 Environment/Ecology 0.00 0.67 0 1 Economics & Business 0.92 166.8 154 17 Clinical Medicine 1.43 82.8 118 21 Agricultural Sciences CI Wavg C P Category
  • 10. Optimisitic behaviour of the RI 3.10 2.01 1245 2508 139 All years 4.69 3.73 76 285 32 2007 3.22 2.52 126 319 26 2006 1.83 1.35 239 323 25 2005 2.53 1.71 297 509 25 2004 1.89 1.54 354 545 21 2003 4.92 3.46 152 527 10 2002 RI CI Wavg C N Year of publication
  • 11. Shows us your results !
  • 12. Matching WaY and WoS WoS, 9577 articles Metis, 10933 articles Missing in Metis, 807 articles Missing from WoS, 1159 articles 1161 peer reviewed articles not in ISI journals
  • 13. Results per Graduate School 86% 8% 4% 21% 1.82 1.55 11.04 8970 13864 1256 WIMEK 93% 11% 1% 14% 1.35 1.19 8.01 6940 8254 1031 WIAS 92% 8% 3% 20% 1.73 1.48 12.68 16591 24582 1938 VLAG 79% 13% 2% 18% 1.55 1.42 8.53 11219 15972 1873 PE&RC 54% 26% 2% 15% 1.38 1.23 5.05 2033 2504 496 MGS 86% 5% 9% 38% 3.26 2.34 17.77 11413 26660 1500 EPS 46% 27% 1% 6% 0.97 0.82 3.12 379 312 100 Ceres Repr %NC %T1 %T10 RI CI CPP Wavg C N OZS
  • 14. Also available for any group at Wageningen UR
  • 15.  
  • 16. Thank you!

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