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  • Martijn Visser
    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 Van Raan A F J Van Leeuwen T N Visser M S 2011 Severe language effect in university rankings particularly Germany and France are wronged in citation based rankings Scientometrics 88 2 495 498 doi 10 1007 s11192 011 0382 1 Waltman L Van Eck N J Van Leeuwen T N Visser M S Van Raan A F J 2011 On the correlation between bibliometric indicators and peer review Reply to Opthof and Leydesdorff Scientometrics 88 3 1017 1022 doi 10 1007 s11192 011 0425 7 Waltman L 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 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 Lopez Illescas C Noyons E C M Visser M S De Moya Anegon F Moed H F 2009 Expansion of scientific journal categories using reference analysis How can it be done and does it make a difference Scientometrics 79 3 473 490 doi 10 1007 s11192 007 1975 6 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 Visser M S Luwel M J J Moed H F 2007 Attainment of Doctoral Degrees at Flemish Universities A Survival Analysis Higher Education 54 741 757 doi 10 1007 s10734 006 9021 9 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 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 Moed H F Tijssen R J W Visser

    Original URL path: http://www.cwts.nl/people/martijn-visser (2016-02-06)
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  • Cathelijn Waaijer
    Dutch academic career systems and a survey among recent PhD graduates on their perception of career perspectives in various sectors and the extent to which these perspectives have influenced their job choice She has also published on science policy in general by analyzing the content of Nature and Science editorials using bibliometric mapping methods Next to her research work she has been involved in PhD representation at Leiden University as the 2012 External Affairs board member of the Leiden PhD Association As such she has analyzed the results of a survey among Leiden PhD candidates and published a report on these findings Publications Journal publications 7 Jones E A Schmitz N Waaijer C J F Frese C K Van Remoortere A Van Zeijl R J Heck A J Hogendoorn P C Deelder A M Altelaar A F Bovée J V McDonnell L A 2013 Imaging Mass Spectrometry based Molecular Histology Differentiates Microscopically Identical and Heterogeneous Tumors Journal of Proteome Research 12 4 1847 1855 Waaijer C J F 2013 Careers in science Policy issues according to Nature and Science editorials Scientometrics 96 2 485 495 doi 10 1007 s11192 013 0958 z Waaijer C J F Winter M G Reijnders C M De Jong D John Ham S Bovée J V Szuhai K 2013 Intronic deletion and duplication proximal of the EXT1 gene a novel causative mechanism for multiple osteochondromas Genes Chromosomes and Cancer 52 4 431 436 Waaijer C J F De Andrea C E Hamilton A Van Oosterwijk J G Stringer S E Bovée J V 2012 Cartilage tumour progression is characterized by an increased expression of heparan sulphate 6O sulphation modifying enzymes Virchows Archiv 461 4 475 481 Waaijer C J F Van Bochove C A Van Eck N J 2011 On the map Nature and Science

    Original URL path: http://www.cwts.nl/people/cathelijn-waaijer (2016-02-06)
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  • Ludo Waltman
    mining and visualization using VOSviewer ISSI Newsletter 7 3 50 54 Waltman L Tijssen R J W Van Eck N J 2011 Globalisation of science in kilometres Journal of Informetrics 5 4 574 582 doi 10 1016 j joi 2011 05 003 Waltman L Van Eck N J Dekker R 2011 Economic modeling using evolutionary algorithms the effect of a binary encoding of strategies Journal of Evolutionary Economics 21 5 737 756 doi 10 1007 s00191 010 0177 1 Waltman L Van Eck N J Yan E 2011 A recursive field normalized bibliometric performance indicator an application to the field of library and information science Scientometrics 89 1 301 314 doi 10 1007 s11192 011 0449 z Waltman L Van Eck N J Van Leeuwen T N Visser M S Van Raan A F J 2011 On the correlation between bibliometric indicators and peer review Reply to Opthof and Leydesdorff Scientometrics 88 3 1017 1022 doi 10 1007 s11192 011 0425 7 Waltman L 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 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 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

    Original URL path: http://www.cwts.nl/people/ludo-waltman (2016-02-06)
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  • Inge van der Weijden
    leadership Responsible for the CWTS press communication Publications Journal publications 9 Van der Weijden I C M Belder R Van Arensbergen P Van den Besselaar P 2015 How do young tenured professors benefit from a mentor Effects on management motivation and performance Higher Education 69 275 287 doi 10 1007 s10734 014 9774 5 Verbree M Horlings E Groenewegen P Van der Weijden I C M Van den Besselaar P 2015 Organizational factors influencing scholarly performance A multivariate study of biomedical research groups Scientometrics 102 1 25 49 doi 10 007 s11192 014 1437 x Van Arensbergen P Van der Weijden I C M Van den Besselaar P 2014 Different views on scholarly talent What are the talents we are looking for in science Research Evaluation 23 4 273 284 doi 10 1093 reseval rvu015 Van Arensbergen P Van der Weijden I C M Van den Besselaar P 2014 The selection of talent as a group process A literature review on the social dynamics of decision making in grant panels Research Evaluation 23 4 298 311 doi 10 1093 reseval rvu017 Van Arensbergen P Van der Weijden I C M Van den Besselaar P 2012 Gender differences in scientific productivity a persisting phenomenon Scientometrics 93 3 857 868 doi 10 1007 s11192 012 0712 y Van Balen B Van Arensbergen P Van der Weijden I C M Van den Besselaar P 2012 Determinants of success in academic careers Higher Education Policy 25 3 313 334 doi 10 1057 hep 2012 14 Van den Besselaar P Hemlin S Van der Weijden I C M 2012 Collaboration and competition in research Higher Education Policy 25 3 263 266 doi 10 1057 hep 2012 16 Van der Weijden I C M Verbree M Van den Besselaar P 2012 From bench to bedside the

    Original URL path: http://www.cwts.nl/people/inge-van-der-weijden (2016-02-06)
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  • Erik van Wijk
    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 Erik van Wijk Erik van Wijk MA Publications Journal publications 6 Luwel M J J Van Wijk E 2015 The translational effect in medical journals Bridging the gap Research Evaluation 24 1 19 29 Tijssen R J W Van Leeuwen T N Van Wijk E 2009 Benchmarking university industry research cooperation worldwide performance measurements and indicators based on co authorship data for the world s largest universities Research Evaluation 18 1 13 24 doi 10 3152 095820209X393145 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 Tijssen R J W Van Wijk E 1999 In search of the European Paradox an international comparison of Europe s scientific performance and knowledge flows in information and communication technologies research Research Policy 28 5 519 543 Tijssen R J W Van Wijk E 1998

    Original URL path: http://www.cwts.nl/people/erik-van-wijk (2016-02-06)
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  • Jos Winnink
    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 Jos Winnink Jos Winnink Jos Winnink is a researcher at the Centre for Science and Technology Studies CWTS of Leiden University in the Netherlands His PhD research focuses on the interface of science and technology Currently his main focus is on early stage detection of breakthroughs using bibliometric information On these subjects he published several conference papers Given his history in the world of patents Jos has a special interest in patent information and is within CWTS one of the experts patent on this subject Currently Jos focus is on linking patent databases with other data sources to create multidimensional data infrastructures Publications Journal publications 3 Winnink J J Tijssen R J W 2015 Early stage identification of breakthroughs at the interface of science and technology Lessons drawn from a landmark publication Scientometrics 102 1 113 134 doi 10 1007 s11192 014 1451 z Van Dongen P Winnink J J Tijssen R J W 2014 Academic inventions and patents in the Netherlands A case study

    Original URL path: http://www.cwts.nl/people/jos-winnink (2016-02-06)
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  • Paul Wouters
    of Informetrics 7 3 635 641 doi 10 1016 j joi 2013 04 001 Levallois C Clithero J A Wouters P Smidts A Huettel S A 2012 Translating upwards linking the neural and social sciences via neuroeconomics Nature Reviews Neuroscience 13 789 797 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 Kaltenbrunner W Wouters P 2010 E research and methodological innovation in Dutch literary studies First Monday 15 9 Frandsen T F Wouters P 2009 Turning working papers into journal articles An exercise in microbibliometrics Journal of the American Society for Information Science and Technology 60 4 728 739 doi 10 1002 asi 20995 Thelwall M Wouters P Fry J 2008 Information centered research for large scale analyses of new information sources Journal of the American Society for Information Science and Technology 59 9 1523 1527 doi 10 1002 asi 20829 Beaulieu A Scharnhorst A Wouters P 2007 Not another case study A middle range interrogation of ethnographic case studies in the exploration of E science Science Technology Human Values 32 6 672 692 doi 10 1177 0162243907306188 Talja S Vakkari P Fry J Wouters P 2007 Impact of research cultures on the use of digital library resources Journal of the American Society for Information Science and Technology 58 11 1674 1685 doi 10 1002 asi 20650 Hellsten I Leydesdorff L Wouters P 2006 Multiple presents how search engines rewrite the past New Media Society 8 6 901 924 doi 10 1177 1461444806069648 Thelwall M Wouters P 2005 What s the deal with the web blogs the next big technology A key role for information science in e social science research Lectures Notes in Computer Science 3507 187 199 Arzberger P Schroeder P Beaulieu A Bowker G Casey K Laaksonen L Moorman D Uhlir P Wouters P 2004 An international framework to promote access to data Science 303 5665 1777 1778 Wouters P De Vries R 2004 Formally citing the web Journal of the American Society for Information Science 55 14 1250 1260 Gurjeva L G Wouters P 2001 Scientometrics in the context of probabilistic philosophy Scientometrics 52 2 111 126 Leydesdorff L Wouters P 1999 Between texts and contexts Advances in theories of citation a rejoinder Scientometrics 44 2 169 182 Wouters P 1999 Beyond the holy grail From citation theory to indicator theories Scientometrics 44 3 561 580 Wouters P 1998 The signs of science Scientometrics 41 1 2 225 241 Wouters P 1997 Citation cycles and peer review cycles Scientometrics 38 1 39 55 Wouters P Leydesdorff L 1997 Introduction Proceedings of the 1996 Erasmus Workshop on Quantitative Approaches to Science Technology Studies Scientometrics 38 1 3 5 doi

    Original URL path: http://www.cwts.nl/people/paul-wouters (2016-02-06)
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  • Alfredo Yegros
    interests Alfredo Yegros has an MSc in Library and Information Science 2002 Universitat de València and Universitat Politècnica de València and he holds a PhD in Documentation Universitat Politècnica de València 2012 Within the framework of his PhD he visited the Science and Policy Research Unit SPRU at the University of Sussex Before joining CWTS Alfredo held several positions during ten years at the Institute for Innovation and Knowledge Management INGENIO CSIC UPV supporting and conducting research in the fields of science and innovation systems as well as conducting bibliometric studies for a wide range of clients chiefly public administrations from several Spanish regions Alfredo review articles on a regular basis for several international scientific journals including Scientometrics Research Evaluation Revista Española de Documentacion Cientifica and Science and Public Policy Publications Journal publications 6 Martin B R Nightingale P Yegros A 2012 Science and technology studies Exploring the knowledge base Research Policy 41 7 1182 1204 Yegros A Tur E M Amat C B 2012 Number of authors and institutional collaboration in Spanish biomedical research papers Evolution of the basic parameters in the period 1990 2009 Medicina Clinica 138 4 165 170 Amat C B Yegros A 2009 Median age difference of references as indicator of information update of research groups A case study in Spanish food research Scientometrics 78 3 447 465 Yegros A Amat C B 2009 Editorial delay of food research papers is influenced by authors experience but not by country of origin of the manuscripts Scientometrics 81 2 367 380 Azagra Caro J M Archontakis F Yegros A 2007 In which regions do universities patent and publish more Scientometrics 70 2 251 266 Azagra Caro J M Yegros A Archontakis F 2006 What do university patent routes indicate at regional level Scientometrics 66 1 219 230

    Original URL path: http://www.cwts.nl/people/alfredo-yegros (2016-02-06)
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