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  • CWTS :: Cookies
    Zuid Holland 31715273909 http www cwts nl For full functionality of this site it is necessary to enable JavaScript Here are the instructions how to enable JavaScript in your web browser Cookies We use a number of different cookies on our site If you do not know what cookies are or how to control or delete them then we recommend you visit www aboutcookies org for detailed guidance The list below describe the cookies we use on this site and what we use them for Currently we operate an implied consent policy which means that we assume you are happy with this usage If you are not happy then you should either not use this site or you should delete the cookies having visited the site or you should browse the site using your browser s anonymous usage setting called Incognito in Chrome InPrivate for Internet Explorer Private Browsing in Firefox and Safari etc First Party Cookies These are cookies that are set by this website directly Google Analytics We use Google Analytics to collect information about visitor behaviour on our website Google Analytics stores information about what pages you visit how long you are on the site how you got here and what you click on This Analytics data is collected via a JavaScript tag in the pages of our site and is not tied to personally identifiable information We therefore do not collect or store your personal information e g your name or address so this information cannot be used to identify who you are You can find out more about Google s position on privacy as regards its analytics service at http www google co uk intl en analytics privacyoverview html Third Party Cookies These are cookies set on your machine by external websites whose services are

    Original URL path: http://www.cwts.nl/cookies (2016-02-06)
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  • Cornelis van Bochove
    Bibliometric Network Analysis and Science Mapping Using VOSviewer Tailor made Training Courses Minor Science and Technology in Society Master PhD Thesis Supervision Products Services Blog Leiden University CWTS B V Other CWTS sites CWTS Leiden Ranking CWTS Journal Indicators CitNetExplorer VOSviewer About CWTS About Leiden Contact Links Leiden University CWTS B V CWTS Leiden Ranking CWTS Journal Indicators CitNetExplorer VOSviewer Centre for Science and Technology Studies Centre for Science and Technology Studies 2333AL Leiden Zuid Holland 31715273909 http www cwts nl For full functionality of this site it is necessary to enable JavaScript Here are the instructions how to enable JavaScript in your web browser People Cornelis van Bochove Prof dr Cornelis van Bochove Publications Journal publications 4 Van Bochove C A 2013 Economic statistics and scientometrics Scientometrics 96 3 799 818 Van Bochove C A 2011 Expectation of a uniform random variable with uniform observation errors after selection of the highest observations Statistical Papers 52 971 977 doi 10 1007 s00362 009 0304 y Waaijer C J F Van Bochove C A Van Eck N J 2011 On the map Nature and Science editorials Scientometrics 86 1 99 112 doi 10 1007 s11192 010 0205 9 Waaijer C J

    Original URL path: http://www.cwts.nl/people/cornelis-van-bochove (2016-02-06)
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  • Clara Calero-Medina
    N Calero Medina C M 2012 Redefining the field of economics Improving field normalization for the application of bibliometric techniques in the field of economics Research Evaluation 21 61 70 Waltman L Calero Medina C M Kosten M J F Noyons E C M Tijssen R J W Van Eck N J Van Leeuwen T N Van Raan A F J Visser M S Wouters P 2012 The Leiden Ranking 2011 2012 Data collection indicators and interpretation Journal of the American Society for Information Science and Technology 63 12 2419 2432 doi 10 1002 asi 22708 Noyons E C M Calero Medina C M 2009 Applying bibliometric mapping in a high level science policy context Scientometrics 79 2 261 275 doi 10 1007 s11192 009 0417 z Calero Medina C M Noyons E C M 2008 Combining mapping and citation network analysis for a better understanding of the scientific development The case of the absorptive capacity field Journal of Informetrics 2 4 272 279 doi 10 1016 j joi 2008 09 005 Calero Medina C M Lopez Illescas C Visser M S Moed H F 2008 Important factors in the interpretation of bibliometric rankings of world universities Research Evaluation 17 71 81 doi 10 3152 095820208X280907 Calero Medina C M Buter R K Valdes C C Noyons E C M 2006 How to identify research groups using publication analysis an example in the field of nanotechnology Scientometrics 66 2 365 376 Conference publications 8 Costas R Calero Medina C M Waltman L Wouters P 2013 The relationship between the performance of editorial board members and the impact of scientific journals an exploratory analysis In Proceedings of 18th International Conference on Science and Technology Indicators pp 87 95 Larsen K Calero Medina C M 2013 Discoveries and citations over time in

    Original URL path: http://www.cwts.nl/people/clara-calero-medina (2016-02-06)
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  • Rodrigo Costas
    American Society for Information Science and Technology 63 8 1647 1661 doi 10 1002 asi 22692 Costas R Van Leeuwen T N Bordons M 2012 Referencing patterns of individual researchers Do top scientists rely on more extensive information sources Journal of the American Society for Information Science and Technology 63 12 2433 2450 Waltman L Costas R Van Eck N J 2012 Some limitations of the H index A commentary on Ruscio and colleagues analysis of bibliometric indices Measurement Interdisciplinary Research and Perspectives 10 3 172 175 doi 10 1080 15366367 2012 716260 Costas R Bordons M 2011 Do age and professional rank influence the order of authorship in scientific publications Some evidence from a micro level perspective Scientometrics 88 1 145 161 Costas R Van Leeuwen T N Van Raan A F J 2011 The Mendel syndrome in science durability of scientific literature and its effects on bibliometric analysis of individual scientists Scientometrics 89 1 177 205 doi 10 1007 s11192 011 0436 4 Costas R Van Leeuwen T N Bordons M 2010 A Bibliometric Classificatory Approach for the Study and Assessment of Research Performance at the Individual Level The Effects of Age on Productivity and Impact Journal of the American Society for Information Science and Technology 61 8 1564 1581 Costas R Van Leeuwen T N Bordons M 2010 Self citations at the meso and individual levels effects of different calculation methods Scientometrics 82 3 517 537 doi 10 1007 s11192 010 0187 7 Costas R Van Leeuwen T N Van Raan A F J 2010 Is scientific literature subject to a sell by date A general methodology to analyze the durability of scientific documents Journal of the American Society for Information Science and Technology 61 2 329 339 Costas R Bordons M Van Leeuwen T N Van Raan A F J 2009 Scaling Rules in the Science System Influence of Field Specific Citation Characteristics on the impact of Individual Researchers Journal of the American Society for Information Science and Technology 60 4 740 753 doi 10 1002 asi 21017 Costas R Bordons M 2008 Development of a thematic filter for the bibliometric delimitation on interdisciplinary area the case of Marine Science Revista Espanola de Documentacion Cientifica 31 2 261 272 Costas R Bordons M 2008 Is g index better than h index An exploratory study at the individual level Scientometrics 77 2 267 288 Costas R Moreno L Bordons M 2008 Overlapping and singularity of MEDLINE WoS and IME for the analysis of the scientific activity of a region in Health Sciences Revista Espanola de Documentacion Cientifica 31 3 327 343 Costas R Bordons M 2007 A classificatory scheme for the analysis of bibliometric profiles at the micro level Proceedings of the 11th International Conference of the International Society for Scientometrics and Informetrics 226 230 Costas R Bordons M 2007 A critical view of the h index observations based on a practical application Profesional de la Informacion 16 5 427 432 Costas R Bordons M 2007 Algorithms

    Original URL path: http://www.cwts.nl/people/rodrigo-costas (2016-02-06)
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  • Nees Jan van Eck
    N J Van Leeuwen T N Visser M S Van Raan A F J 2011 Towards a new crown indicator An empirical analysis Scientometrics 87 3 467 481 doi 10 1007 s11192 011 0354 5 Waltman L Van Eck N J Van Leeuwen T N Visser M S Van Raan A F J 2011 Towards a new crown indicator Some theoretical considerations Journal of Informetrics 5 1 37 47 doi 10 1016 j joi 2010 08 001 Zuccala A Van Eck N J 2011 Poverty research in a development policy context Development Policy Review 29 3 311 330 doi 10 1111 j 1467 7679 2011 00535 x Van Eck N J Waltman L 2010 Software survey VOSviewer a computer program for bibliometric mapping Scientometrics 84 2 523 538 doi 10 1007 s11192 009 0146 3 Van Eck N J Waltman L Dekker R Van den Berg J 2010 A comparison of two techniques for bibliometric mapping Multidimensional scaling and VOS Journal of the American Society for Information Science and Technology 61 12 2405 2416 doi 10 1002 asi 21421 Van Eck N J Waltman L Noyons E C M Buter R K 2010 Automatic term identification for bibliometric mapping Scientometrics 82 3 581 596 doi 10 1007 s11192 010 0173 0 Van Raan A F J Van Leeuwen T N Visser M S Van Eck N J Waltman L 2010 Rivals for the crown Reply to Opthof and Leydesdorff Journal of Informetrics 4 3 431 435 doi 10 1016 j joi 2010 03 008 Waaijer C J F Van Bochove C A Van Eck N J 2010 Journal Editorials give indication of driving science issues Nature 463 157 157 doi 10 1038 463157a Waltman L Van Eck N J 2010 The relation between Eigenfactor audience factor and influence weight Journal of the American Society for Information Science and Technology 61 7 1476 1486 doi 10 1002 asi 21354 Waltman L Van Eck N J Noyons E C M 2010 A unified approach to mapping and clustering of bibliometric networks Journal of Informetrics 4 4 629 635 doi 10 1016 j joi 2010 07 002 Van Eck N J Waltman L 2009 How to Normalize Cooccurrence Data An Analysis of Some Well Known Similarity Measures Journal of the American Society for Information Science and Technology 60 8 1635 1651 doi 10 1002 asi 21075 Van Eck N J Waltman L 2009 On the proper understanding of the limiting behavior of generalizations of the h and g indices Journal of Informetrics 3 4 doi 10 1016 j joi 2009 02 002 Waltman L Van Eck N J 2009 A simple alternative to the h index ISSI Newsletter 5 3 46 48 Waltman L Van Eck N J 2009 Robust Evolutionary Algorithm Design for Socio Economic Simulation Some Comments Computational Economics 33 1 103 105 doi 10 1007 s10614 008 9148 0 Waltman L Van Eck N J 2009 Some comments on Egghe s derivation of the impact factor distribution Journal of Informetrics

    Original URL path: http://www.cwts.nl/people/nees-jan-van-eck (2016-02-06)
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  • Julia Heuritsch
    and Science Mapping Using VOSviewer Tailor made Training Courses Minor Science and Technology in Society Master PhD Thesis Supervision Products Services Blog Leiden University CWTS B V Other CWTS sites CWTS Leiden Ranking CWTS Journal Indicators CitNetExplorer VOSviewer About CWTS About Leiden Contact Links Leiden University CWTS B V CWTS Leiden Ranking CWTS Journal Indicators CitNetExplorer VOSviewer Centre for Science and Technology Studies Centre for Science and Technology Studies 2333AL Leiden Zuid Holland 31715273909 http www cwts nl For full functionality of this site it is necessary to enable JavaScript Here are the instructions how to enable JavaScript in your web browser People Julia Heuritsch Julia Heuritsch MSc Julia Heuritsch completed a master in astrophysics and decided for an interdisciplinary career in science research Joining the Centre for Science and Technology Studies for that purpose her main research focus concerns academic career systems In particular she is studying the various career paths that doctorate holders pursue after completing their PhD She compares skills that researchers acquired during their PhDs with the skills they need in their current jobs and the motivation doctorate researchers for doing the PhD which determines their subsequent job choice This project is carried out in collaboration

    Original URL path: http://www.cwts.nl/people/julia-heuritsch (2016-02-06)
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  • Joost Kosten
    Science and Technology Studies Centre for Science and Technology Studies 2333AL Leiden Zuid Holland 31715273909 http www cwts nl For full functionality of this site it is necessary to enable JavaScript Here are the instructions how to enable JavaScript in your web browser People Joost Kosten Joost Kosten MSc Joost Kosten is PhD student at the Centre for Science and Technology Studies His research focuses on the use of research indicators from the perspective of public policy He obtained an MSc in Public Administration Leiden University and was also trained in Political Science Stockholm University and Law VU University Amsterdam Apart from his PhD research Joost is involved in CWTS assessment studies Publications Journal publications 1 Waltman L Calero Medina C M Kosten M J F Noyons E C M Tijssen R J W Van Eck N J Van Leeuwen T N Van Raan A F J Visser M S Wouters P 2012 The Leiden Ranking 2011 2012 Data collection indicators and interpretation Journal of the American Society for Information Science and Technology 63 12 2419 2432 doi 10 1002 asi 22708 Conference publications 2 Praal F E W Kosten M J F Calero Medina C M Visser M S

    Original URL path: http://www.cwts.nl/people/joost-kosten (2016-02-06)
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  • Thed van Leeuwen
    Strength and weakness of national science systems A bibliometric analysis through cooperation patterns Scientometrics 79 2 389 408 doi 10 1007 s11192 009 0426 y Van Leeuwen T N 2009 Using bibliometrics to support the procurement of NIHR biomedical research centres in England Research Evaluation 18 1 71 82 doi 10 3152 095820209X414178 Lambers Heerspink H J Knol M J Tijssen R J W Van Leeuwen T N Grobbee D E De Zeeuw D 2008 Is the randomised controlled drug trial in Europe lagging behind the US British Journal of Clinical Pharmacology 66 774 790 doi 10 1111 j 1365 2125 2008 03296 x Van Leeuwen T N 2008 Testing the validity of the Hirsch index for research assessment purposes Research Evaluation 17 2 157 160 doi 10 3152 095820208X319175 Calero Medina C M Van Leeuwen T N Tijssen R J W 2007 Research cooperation within the bio pharmaceutical industry Network analyses of co publications within and between firms Scientometrics 71 1 87 99 doi 10 1007 s11192 007 1650 y Van Leeuwen T N 2007 Modelling of bibliometric approaches and importance of output verification in research performance assessment Research Evaluation 16 2 93 105 doi 10 3152 095820207X227529 Van Leeuwen T N 2007 The application of bibliometric analyses in the evaluation of social science research Who benefits from it and why it is still feasible Scientometrics 66 133 154 doi 10 1007 s11192 006 0010 7 Van Leeuwen T N Van der Wurff L J De Craen A J M 2007 Classification of research letters in general medical journals and its consequences in bibliometric research evaluation procresses Research Evaluation 16 59 63 doi 10 3152 095820207X196786 Tijssen R J W Van Leeuwen T N 2006 Measuring impacts of academic science on industrial research A citation based approach Scientometrics 66 55 69 doi 10 1007 s11192 006 0005 4 Tijssen R J W Mouton J Van Leeuwen T N Boshoff N 2006 How relevant are local scholarly journals in global science A case study of South Africa Research Evaluation 15 3 163 174 doi 10 3152 147154406781775904 Van Looy B Debackere K Callaert C Tijssen R J W Van Leeuwen T N 2006 Scientific capabilities and technological performance of national innovation systems An exploration of emerging industrial relevant research domains Scientometrics 66 295 310 doi 10 1007 s11192 006 0030 3 Van Leeuwen T N Moed H F 2005 Characteristics of Journal Impact Factors The effects of uncitedness and citation distribution on the understanding of journal impact factors Scientometrics 63 357 371 doi 10 1007 s11192 005 0217 z Van Leeuwen T N Visser M S Moed H F Nederhof A J Van Raan A F J 2003 The Holy Grail of science policy Exploring and combining bibliometric tools in search of scientific excellence Scientometrics 57 257 280 doi 10 1023 A 1024141819302 Van Raan A F J Visser M S Van Leeuwen T N Van Wijk E 2003 Bibliometric analysis of Performance assessment and position in the journal landscape Psychotherapy Research 13 4 511 528 doi 10 1093 ptr kpg038 Rinia E J Van Leeuwen T N Van Raan A F J 2002 Impact measures of inderdisciplinary research in physics Scientometrics 53 2 241 248 doi 10 1023 A 1014856625623 Rinia E J Van Leeuwen T N Bruins E E W Van Vuren H G Van Raan A F J 2002 Measuring knowledge transfer between fields of science Scientometrics 54 3 347 362 doi 10 1023 A 1016078331752 Tijssen R J W Visser M S Van Leeuwen T N 2002 Benchmarking international scientific excellence Are highly cited research papers an appropriate frame of reference Scientometrics 54 3 381 397 doi 10 1023 A 1016082432660 Van Leeuwen T N Moed H F 2002 Development and application of journal impact measures in the Dutch science system Scientometrics 53 2 249 266 doi 10 1023 A 1014808709694 Van Raan A F J Van Leeuwen T N 2002 Assessment of the scientific basis of interdisciplinary applied research Application of bibliometric methods in Nutrition and Food Research Research Policy 31 4 611 632 doi 10 1016 S0048 7333 01 00129 9 Rinia E J Van Leeuwen T N Bruins E E W Van Vuren H G Van Raan A F J 2001 Citation delay in interdisciplinary knowledge exchange Scientometrics 51 1 293 309 Rinia E J Van Leeuwen T N Van Vuren H G Van Raan A F J 2001 Influence of interdisciplinarity on peer review and bibliometric evaluations in physics research Research Policy 30 3 357 361 Van Leeuwen T N Moed H F 2001 Development and application of new journal impact measures Cortex 37 4 607 610 Van Leeuwen T N Moed H F Tijssen R J W Visser M S Van Raan A F J 2001 Language biases in the coverage of the Science Citation Index and its consequences for international comparisons of national research performance Scientometrics 51 1 335 346 Van Leeuwen T N Van der Wurff L J Van Raan A F J 2001 The use of combined bibliometric methods in research funding policy Research Evaluation 10 3 195 201 Tijssen R J W Buter R K Van Leeuwen T N 2000 Technological relevance of science An assessment of citation linkages between patents and research papers Scientometrics 47 2 389 412 Van Leeuwen T N Tijssen R J W 2000 Interdisciplinary dynamics of modern science analysis of cross disciplinary citation flows Research Evaluation 9 3 183 187 Van Leeuwen T N Moed H F Tijssen R J W Visser M S Van Raan A F J 2000 First evidence of serious language bias in the use of citation analysis for the evaluation of national science systems Research Evaluation 9 2 155 156 Moed H F Van Leeuwen T N Reedijk J 1999 Towards appropriate indicators of journal impact Scientometrics 46 3 575 589 Moed H F Van Leeuwen T N Visser M S 1999 Trends in publication output and impact of universities in the Netherlands Research Evaluation 8 1

    Original URL path: http://www.cwts.nl/people/thed-van-leeuwen (2016-02-06)
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