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  • CWTS :: Career Policy & Paths in Science
    to or promotion within institutions conducting academic research in the Netherlands But what are the implications of this performance based funding system on the academic careers of these Life Science scientists First we mapped the career trajectories of the grantees Second we conduct open interviews In the interviews we focus on individual motivation for career steps the effect of mentorship and career breaks as well as on future career plans including their opinion of successful scientific work First results show that most grantees continue their career at the same university or University Medical Center We also study gender differences Careers of doctorate holders In the Netherlands empirical knowledge about the employment status career path development and career choices of doctoral graduates is limited From 1990 to 2010 the number of thesis defenses in the Netherlands almost doubled from 1898 to 3736 At the same time the career opportunities in Dutch academia are insecure with many temporary contracts and few positions available once PhD holders advance on the career ladder In 2008 and 2009 an exploratory study was conducted to provide an overview of the initial employment outcomes of recent PhD recipients in the Netherlands n 565 86 of doctoral recipients in this survey were employed at the moment of the defense 63 of all respondents were employed in academia of which 51 were in the Netherlands and 12 abroad Most graduates have a temporary position The majority 66 of the doctoral recipients are primarily concerned with research in their jobs In our presented study of 2013 the same respondents will be asked to participate in a follow up survey in which they will be asked about their career choices and the added value of a PhD in their careers By reporting the career development of PhD holders who finished their PhD four to five years ago this research will contribute to increase our knowledge of career paths of PhD holders their considerations regarding their careers and the value of the PhD on the current labor market The Motivation of Young scientists The aim of this study is to understand what drives young scientists to pursue a career in academia either as a PhD candidate or a postdoctoral researcher Not only in the Netherlands but in many countries the number of PhD holders vastly outnumber the available academic positions open to them Between 1998 and 2008 for example the number of science doctorates awarded each year grew nearly 40 Taking this situation into account what drives young scientists to take the plunge into the insecure and sometimes non transparent world of academia Young scientists will be the new generation of researchers and group leaders and therefore attention to their career and their own motivation for pursuing an academic career is important If we can understand what motivates them it can tell us something about how we can attract the right people for an academic career Furthermore we explore how factors surrounding young scientists in their academic environment could have a possible

    Original URL path: http://www.cwts.nl/research/working-groups/career-policy-paths-in-science (2016-02-06)
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  • CWTS :: Social Sciences, Humanities & Law
    Law WISSH focuses on the assessment of scholarly activity in the social sciences the humanities and law Mission Traditionally the domains of social sciences humanities and law SSHL have a different orientation towards research methods communication processes and the way their peer groups are defined as compared to the natural life and medical sciences Because of the different missions and interactions with their scholarly and societal environments the analysis development and refinement of research assessment methodologies of the SSHL should start from these differences The variety of scholarly activities and the way the scholars within these domains position themselves towards their audiences results in a variety of types of communication which is as wide as the difference between these domains and the STEM domains So the main mission of the group falls apart in two strands a first line could focus on the way scholars in the SSHL conduct their research and communicate with their peer groups both academic and the wider civil society while the second line focuses more on the development of indicators to assess the scholarly performance of these scholars in the SSHL domains As scholarly organization and communication is different from natural life and medical sciences and as they even vary widely across SSHL assessment indicators should not simply be transferred from other fields Instead the development of indicators for assessing scholarly performance in SSHL should be approached in close collaboration with scholars and research managers in these domains so as to involve the scholarly community that will be subject to assessment Such a collaborative approach we suggest can help strengthen the position of SSHL in the context of a proliferating evaluation culture and it is a way of taking seriously the often skeptical reactions by scholars to these evaluations Working Groups Advanced Bibliometric Methods Evaluation

    Original URL path: http://www.cwts.nl/research/working-groups/social-sciences-humanities-law (2016-02-06)
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  • CWTS :: List of CWTS Publications
    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 De Rijcke S Beaulieu J A 2011 Image as interface Consequences for users of museum knowledge Library Trends 59 4 663 685 doi 10 1353 lib 2011 0020 Egghe L Waltman L 2011 Relations between the shape of a size frequency distribution and the shape of a rank frequency distribution Information Processing Management 47 2 238 245 Heersmink R Van der Hoven J Van Eck N J Van den Berg J 2011 Bibliometric mapping of computer and information ethics Ethics and Information Technology 13 3 241 249 doi 10 1007 s10676 011 9273 7 Lepori B Reale E Tijssen R J W 2011 Designing indicators for policy decisions challenges tensions and good practices introduction to a special issue Research Evaluation 20 1 3 5 Nederhof A J 2011 A bibliometric study of productivity and impact of modern language and literature research Research Evaluation 20 2 117 129 doi 10 3152 095820211X12941371876508 Tijssen R J W Waltman L Van Eck N J 2011 Collaborations span 1 553 kilometres Nature 473 7346 154 154 doi 10 1038 473154a 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 Van Eck N J Waltman L 2011 Text mining and visualization using VOSviewer ISSI Newsletter 7 3 50 54 Van Raan A F J Van Leeuwen T N Visser M S 2011 Non English papers decrease rankings Nature 469 7328 34 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 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 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 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 Zuccala A Van Leeuwen T N 2011 Book Reviews in Humanities Research Evaluations Journal of the American Society for Information Science and Technology 62 1979 1991 2010 Buter R K Noyons E C M Van Raan A F J 2010 Identification of converging research areas using publication and citation data Research Evaluation 19 1 19 27 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 Hoekman J Frenken K Tijssen R J W 2010 Research collaboration at a distance changing spatial patterns of scientific collaboration within Europe Research Policy 39 662 673 Kaltenbrunner W Wouters P 2010 E research and methodological innovation in Dutch literary studies First Monday 15 9 Nederhof A J Tijssen R J W Moed H F 2010 Anthony van Raan and bibliometrics Research Evaluation 19 158 160 Nederhof A J Van Leeuwen T N Van Raan A F J 2010 Highly cited non journal publications in political science economics and psychology a first exploration Scientometrics 83 2 363 374 doi 10 1007 s11192 009 0086 y Reijnders C M Waaijer C J F Hamilton A Buddingh E P Dijkstra S P Ham J Bakker E Szuhai K Karperien M Hogendoorn P C Stringer S E Bovée J V 2010 No haploinsufficiency but loss of heterozygosity for EXT in multiple osteochondromas The American Journal of Pathology 177 4 1946 1957 Tijssen R J W 2010 Discarding the basic science applied science dichotomy A knowledge utilization triangle classification system of research journals Journal of the American Society for Information Science and Technology 61 1842 1852 Van der Velde A E Van Leeuwen T N Van Welie S D Stam J C G Klaassen A B M 2010 De kwaliteit van het cardiovasculair wetenschappelijk onderzoek in Nederland De toegevoegde waarde van de Nederlandse Hartstichting A803 Nederlands Tijdschrift voor Geneeskunde 154 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 Eyk H J Hooiveld M H W Van Leeuwen T N Van der Wurff L J De Craen A J M Dekker F W 2010 Scientific output of Dutch medical students Medical Teacher 32 3 231 235 doi 10 3109 01421591003596592 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 2009 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 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 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 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 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 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 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 Van Leeuwen T N 2009 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 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 3 4 363 366 doi 10 1016 j joi 2009 05 004 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 2008 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 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 De Rijcke S 2008 Drawing into abstraction Practices of observation and visualization in the work of Santiago Ramón y Cajal Interdisciplinary Science Reviews 33 4 287 311 De Rijcke S 2008 Light tries the expert eye The introduction of photography in nineteenth century macroscopic neuroanatomy Journal of the History of the Neurosciences 17 3 349 366 Jonkers K Tijssen R J W 2008 Chinese researchers returning home impacts of international mobility on research cooperation and scientific productivity Scientometrics 77 299 323 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 Nederhof A J 2008 Policy impact of bibliometric rankings of research performance of departments and individuals in economics Scientometrics 74 1 151 162 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 Van der Weijden I C M De Gilder D Groenewegen P Klasen E 2008 Implications of managerial control on performance of Dutch academic bio medical and health research groups Research Policy 37 9 1616 1629 doi 10 1016 j respol 2008 06 007 Van Eck N J Van Wezel M 2008 Application of reinforcement learning to the game of Othello Computers Operations Research 35 6 1999 2017 doi 10 1016 j cor 2006 10 004 Van Eck N J Waltman L 2008 Appropriate similarity measures for author co citation analysis Journal of the American Society for Information Science and Technology 59 10 1653 1661 doi 10 1002 asi 20872 Van Eck N J Waltman L 2008 Generalizing the h and g indices Journal of Informetrics 2 4 263 271 doi 10 1016 j joi 2008 09 004 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 Van Raan A F J 2008 Bibliometric statistical properties of the 100 largest European research universities Prevalent scaling rules in the science system Journal of the American Society for Information Science and Technology 59 3 461 475 Van Raan A F J 2008 Scaling rules in the science system Influence of field specific citation characteristics on the impact of research groups Journal of the American Society for Information Science and Technology 59 565 576 Van Raan A F J 2008 Self citation as an impact reinforcing mechanism in the science system Journal of the American Society for Information Science and Technology 59 10 1631 1643 Waltman L Kaymak U 2008 Q learning agents in a Cournot oligopoly model Journal of Economic Dynamics Control 32 10 3275 3293 doi 10 1016 j jedc 2008 01 003 Waltman L Van Eck N J 2008 Some comments on the journal weighted impact factor proposed by Habibzadeh and Yadollahie Journal of Informetrics 2 4 369 372 doi 10 1016 j joi 2008 06 003 2007 Azagra Caro J M Archontakis F Yegros A 2007 In which regions do universities patent and publish more Scientometrics 70 2 251 266 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 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 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 to solve the lack of normalization in author names in bibliometric studies Investigacion Bibliothecologica 21 42 13 32 Costas R Bordons M 2007 The h index Advantages limitations and its relation with other bibliometric indicators at the micro level Journal of Informetrics 1 3 193 203 Costas R Iribarren Maestro I 2007 Variations in content and format of ISI databases in their different versions The case of the Science Citation index in CD ROM and the web of science Scientometrics 72 2 167 183 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 Tijssen R J W 2007 Africa s contribution to the worldwide research literature new analytical perspectives trends and performance indicators Scientometrics 71 303 327 Van Eck N J Waltman L 2007 Bibliometric mapping of the computational intelligence field International Journal of Uncertainty Fuzziness and Knowledge Based Systems 15 5 625 645 doi 10 1142 S0218488507004911 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 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 Waltman L Van Eck N J 2007 Some comments on the question whether co occurrence data should be normalized Journal of the American Society for Information Science and Technology 58 11 1701 1703 doi 10 1002 asi 20647 2006 Azagra Caro J M Yegros A Archontakis F 2006 What do university patent routes indicate at regional level Scientometrics 66 1 219 230 Buter R K Noyons E C M Van Mackelenbergh M Laine T 2006 Combining concept maps and bibliometric maps First explorations Scientometrics 66 2 377 387 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 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 Nederhof A J 2006 Bibliometric monitoring of research performance in the social sciences and the humanities A review Scientometrics 66 1 81 100 Tijssen R J W 2006 Universities and industrially relevant science towards measurement models and indicators of entrepreneurial universities Research Policy 35 1569 1585 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 Eck N J Waltman L Van den Berg J Kaymak U 2006 Visualizing the computational intelligence field IEEE Computational Intelligence Magazine 1 4 6 10 doi 10 1109 MCI 2006 329702 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 Raan A F J 2006 Comparison of the Hirsch index with standard bibliometric indicators and with peer judgment for 147 chemistry research groups Scientometrics 67 3 491 502 Van Raan A F J 2006 Statistical properties of Bibliometric indicators Research group indicator distributions and correlations Journal of the American Society for Information Science and Technology 57 3 408 430 2005 Costas R Bordons M 2005 Bibliometric indicators at the micro level Some results in the area of natural resources at the Spanish CSIC Research Evaluation 14 2 110 120 Costas R Bordons M 2005 Methodological procedure to overcome the lack of normalisation of author names in bibliometric analyses at the micro level Proceedings of the 10th International Conference of the International Society for Scientometrics and Informetrics 688 689 Tatum C C 2005 Deconstructing Google bombs A breach of symbolic power or just a goofy prank First Monday 10 10 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 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 Raan A F J 2005 Fatal Attraction Conceptual and methodological problems in the ranking of universities by bibliometric methods Scientometrics 62 133 143 Van Raan A F J 2005 For your citations only Hot topics in bibliometric analysis Measurement Interdisciplinary Research and Perspectives 3 50 62 Van Raan A F J 2005 Mesurement of central aspects of scientific research Performance interdisciplinarity structure Measurement Interdisciplinary Research and Perspectives 3 1 19 Van Raan A F J 2005 Reference based publication networks with episodic memories to be published Scientometrics 63 549 566 Van Raan A F J 2005 Reply to the comments of Liu et al Scientometrics 64 111 112 2004 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 Nederhof A J Visser M S 2004 Quantitative deconstruction of citation impact indicators Waxing field impact but waning journal impact Journal of Documentation 60 658 672 Tijssen R J W 2004 Is the commercialisation of scientific research affecting the production of public knowledge Global trends in the output of corporate research articles Research Policy 33 5 709 733 Van Raan A F J 2004 Sleeping beauties in science Scientometrics 59 3 461 466 Wouters P De Vries R 2004 Formally citing the web Journal of the American Society for Information Science 55 14 1250 1260 2003 Tijssen R J W 2003 Scoreboards of research excellence Research Evaluation 12 2 91 104 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 2003 The use of bibliometric analysis in research performance assessment and monitoring of interdisciplinary scientific developments Technikfolgenabschätzung Theorie und Praxis 12 1 20 29 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 2002 Moed H F Luwel M J J Nederhof A J 2002 Towards research performance in the humanities Library Trends 50 3 489 520 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 2002 Science dependence of technologies Evidence from inventions and their inventors Research Policy 31 4 509 526 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 2001 Buter R K Noyons E C M 2001 Improving the functionality of interactive bibliometric science maps Scientometrics 51 1 55 68 Draaisma D De Rijcke S 2001 The graphic strategy the uses and functions of illustrations in Wundt s Grundzuge History of the Human Sciences 14 1 1 24 Gurjeva L G Wouters P 2001 Scientometrics in the context of probabilistic philosophy Scientometrics 52 2 111 126 Nederhof A J Luwel M J J Moed H F 2001 Assessing the quality of scholarly journals in Linguistics An alternative to citation based journal impact factors Scientometrics 51 1 241 265 doi 10 1023 A 1010533232688 Noyons E C M 2001 Bibliometric mapping of science in a science policy context Scientometrics 50 1 83 98 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 Tijssen R J W 2001 Global and domestic utilization of industrial relevant science patent citation analysis of science technology interactions and knowledge flows Research Policy 30 35 54 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 Van Raan A F J 2001 Bibliometrics and internet Some observations and expectations Scientometrics 50 1 59 63 Van Raan A F J 2001 Competition amongst scientists for publication status Toward a model of scientific publication and citation distributions Scientometrics 51 1 347 357 Van Raan A F J 2001 Two step competition process leads to quasi power low income distributions Application to scientific publication and citation distributions Physica A 298 530 536 2000 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 Van Raan A F J 2000 Bibliométrie et évaluation de la recherche scientifique Gestions Hospitalières 401 Décembre 861 865 Van Raan A F J 2000 On growth aging and fractal differentiation of science Scientometrics 47 2 347 362 Van Raan A F J 2000 R D evaluation at the beginning of the new century Research Evaluation 9 2 81 86 Publications List of CWTS Publications Intro Journal publications Conference publications Book chapters Books CWTS Working Paper Series Share on facebook Share on twitter Share on linkedin Share Share this page Conference publications 2015 Waltman L Van Eck N J 2015 Field normalized citation impact indicators and the choice of an appropriate counting method In Proceedings of the 15th International Conference of the International Society for Scientometrics and Informetrics pp 328 339 Zahedi Z Costas R Wouters P 2015 Do mendeley readership counts help to filter highly cited WoS publications better than average citation impact of journals JCS In Proceedings of the 15th International Conference of the International Society for Scientometrics and Informetrics pp 16 25 2014 Bar Ilan J Hartmann F Havemann F Larsen B Mietzer D Scharnhorst A Tatum C C 2014 Are you being evaluated Need for new approaches in evaluation practices In Proceedings of the 2014 iConference pp 1204 1206 Caron E Van Eck N J 2014 Large scale author name disambiguation using rule based scoring and clustering In Proceedings of the 19th International Conference on Science and Technology Indicators pp 79 86 Costas R Zahedi Z Wouters P 2014 Disentangling the meaning of altmetrics Content analysis of Web of Science scientific publications In altmetrics14 expanding impacts and metrics An ACM Web Science Conference 2014 Altmetrics Workshop Meijer I Zahedi Z Belder R Van der Weijden I C M 2014 Researchers with a personal grant Perceptions on societal relevance and outputs In Research Funding Dynamics of Science Workshop Prins A Costas R Van Leeuwen T N Wouters P 2014 Using Google Scholar in research evaluation of social science programs with a comparison with Web of Science data In Proceedings of the 18th International Conference on Science and Technology Indicators pp 434 443 Rushforth A D De Rijcke S 2014 The impact of indicators Comparing the dynamics of bibliometric indicators in Dutch biomedical research In European Group for Organisation Studies EGOS Conference Rushforth A D De Rijcke S 2014 The impact of indicators The rise of performance indicators and commensuration in Dutch biomedical research In EU SPRI Early Career Research Day Van der Weijden I C M Zahedi Z Must Ü Meijer I 2014 Gender differences in societal orientation and output of individual scientists In Proceedings of the 19th International Conference on Science and Technology Indicators pp 680 686 Van Eck N J Waltman L 2014 CitNetExplorer A new software tool for analyzing and visualizing citation networks In Proceedings of the 19th International Conference on Science and Technology Indicators pp 181 192 Van Leeuwen T N Luwel M J J 2014 An in depth analysis of papers retracted in the Web of Science Conference paper In Proceedings of the 19th International Conference on Science and Technology Indicators pp 337 344 Waaijer C J F 2014 The influence of career perspectives on the job choice of recent PhD graduates A survey of five Dutch universities In Proceedings of the 19th International Conference on Science and Technology Indicators pp 630 633 Zahedi Z Van Eck N J 2014 Visualizing readership activity of Mendeley users using VOSviewer In altmetrics14 expanding impacts and metrics An ACM Web Science Conference 2014 Altmetrics Workshop doi 10 6084 m9 figshare 1041819 Zahedi Z Bowman T Haustein S 2014 Exploring data quality and retrieval strategies for Mendeley reader counts In Metrics14 ASIS T Workshop on Informetric and Scientometric Research Zahedi Z Costas R Wouters P 2014 Assessing the impact of the publications read by the different Mendeley users Is there any different pattern among users In Proceedings of the IATUL Conferences Zahedi Z Costas R Wouters P 2014 Broad altmetric analysis of Mendeley readerships through the academic status of the readers of scientific publication In Proceedings of the 19th International Conference on Science and Technology Indicators pp 720 727 Zahedi Z Fenner M Costas R 2014 How consistent are altmetrics providers Study of 1000 PLOS ONE publications using the PLOS ALM Mendeley and Altmetric com APIs In altmetrics14 expanding impacts and metrics An ACM Web Science Conference 2014 Altmetrics Workshop doi 10 6084 m9 figshare 1041821 2013 Aksnes D Van Leeuwen T N Sivertsen G 2013 The effect of booming countries on changes in the Relative Specialization Index RSI on country level In Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics pp 654 663 Costas R Yegros A 2013 Possibilities of funding acknowledgement analysis for the bibliometric study of research funding organizations case study of the Austrian Science Fund FWF In Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics pp 1401 1408 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 solar cell technology In Proceedings of 18th International Conference on Science and Technology Indicators pp 199 204 Llopis O D Este P Yegros A 2013 Conducting pro social research Cognitive diversity research excellence and awareness of the social impact of research EU SPRI Forum Conference Llopis O D Este P Yegros A 2013 Knowledge networks and knowledge creation among biomedical scientists In Proceedings of the 2013 Sunbelt Conference of the International Network for Social Network Analysis Llopis O D Este P Yegros A 2013 Scientists social capital and knowledge creation The case of translational research In biomedicine EU SPRI Forum Conference Meijer I Calero Medina C M Abma Schouten R 2013 Societal Use of Research SURe stakeholder perceptions and data method development In Proceedings of 18th International Conference on Science and Technology Indicators pp 237 241 Praal F E W Kosten M J F Calero Medina C M Visser M S 2013 Ranking universities The challenge of affiliated institutes In S Hinze S A Lottmann Eds Proceedings of the 18th International Conference on Science and Technology Indicators pp 284 289 Schneider J W Van Leeuwen T N 2013 Is post doc funding stimulating research performance Evidence from Danish research policy In Proceedings of the 18th International Conference on Science and Technology Indicators pp 352 361 Van Leeuwen T N Wouters P 2013 Analysis of journal impact factor research in time Development of a specialty In Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics pp 66 77 Van Leeuwen T N Van Wijk E Wouters P 2013 Recent developments in Dutch research assessment Scholarly activity in AAH and Law in a new perspective In Proceedings of the 18th International Conference on Science and Technology Indicators pp 396 398 Waaijer C J F 2013 Academic career structures Historical overview Germany In Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics pp 1850 2013 Waaijer C J F 2013 Academic career structures Historical overview Germany In Proceedings of the 18th International Conference on Science and Technology Indicators pp 1850 2013 Waltman L Van Eck N J 2013 A systematic empirical comparison of different approaches for normalizing citation impact indicators In Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics pp 1649 1664 Waltman L Wouters P Van Eck N J 2013 Counting publications and citations Is more always better 14th International Conference of the International Society for Scientometrics and Informetrics Vienna In Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics pp 455 467 Yegros A Costas R 2013 Analysis of the Web of Science funding acknowledgement information for the design of indicators on external funding attraction In Proceedings of the 14th International Conference of the International Society

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  • CWTS :: CWTS Working Paper Series
    and Nees Jan van Eck CWTS WP 2013 001 http hdl handle net 1887 20467 2012 Societal returns of scientific research How can we measure it Ingeborg Meijer CWTS WP 2012 014 http hdl handle net 1887 20385 Career policy and research output Cornelis van Bochove CWTS WP 2012 013 http hdl handle net 1887 20131 Citation analysis may severely underestimate the impact of clinical research as compared to basic research Nees Jan van Eck Ludo Waltman Anthony F J van Raan Robert J M Klautz and Wilco C Peul CWTS WP 2012 012 http hdl handle net 1887 19924 Some modifications to the SNIP journal impact indicator Ludo Waltman Nees Jan van Eck Thed N van Leeuwen and Martijn S Visser CWTS WP 2012 011 http hdl handle net 1887 19815 Source normalized indicators of citation impact An overview of different approaches and an empirical comparison Ludo Waltman and Nees Jan van Eck CWTS WP 2012 010 http hdl handle net 1887 19825 R D globalization processes and university industry research cooperation measurement and indicators Robert Tijssen CWTS WP 2012 009 http hdl handle net 1887 19352 On the calculation of percentile based bibliometric indicators Ludo Waltman and Michael Schreiber CWTS WP 2012 008 http hdl handle net 1887 19354 The Leiden Ranking 2011 2012 Data collection indicators and interpretation Ludo Waltman Clara Calero Medina Joost Kosten Ed C M Noyons Robert J W Tijssen Nees Jan van Eck Thed N van Leeuwen Anthony F J van Raan Martijn S Visser and Paul Wouters CWTS WP 2012 007 http hdl handle net 1887 19353 A new methodology for constructing a publication level classification system of science Ludo Waltman and Nees Jan van Eck CWTS WP 2012 006 http hdl handle net 1887 19351 An empirical analysis of the use of alphabetical authorship in scientific publishing Ludo Waltman CWTS WP 2012 005 http hdl handle net 1887 19350 Careers in science Policy issues according to Nature and Science editorials Cathelijn J F Waaijer CWTS WP 2012 004 http hdl handle net 1887 20429 Basic Research and Prosperity Sampling and Selection of Technological Possibilities and of Scientific Hypotheses as an Alternative Engine of Endogenous Growth Cornelis A van Bochove CWTS WP 2012 003 http hdl handle net 1887 18636 Approaching the Reward Triangle general analysis of the presence of funding acknowledgements and peer interactive communication in scientific publications Rodrigo Costas and Thed N van Leeuwen CWTS WP 2012 002 http hdl handle net 1887 18648 Referencing patterns of individual researchers do top scientists rely on more extensive information sources Rodrigo Costas Thed N van Leeuwen and María Bordons CWTS WP 2012 001 http hdl handle net 1887 18674 2011 The inconsistency of the h index Ludo Waltman and Nees Jan van Eck CWTS WP 2011 008 http hdl handle net 1887 18659 The Mendel syndrome in science durability of scientific literature and its effects on bibliometric analysis of individual scientists Rodrigo Costas Thed van Leeuwen and Anthony F J van Raan

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  • CWTS :: Training & Education
    analyses with the knowledge and skills they need to interpret bibliometric statistics properly and usefully CWTS Course Measuring Science and Research Performance This course is for everyone who wants to build a solid and comprehensive foundation in bibliometrics and research evaluation This popular course was established ten years ago and is given by highly experienced scientists who have in depth and up to date knowledge of all the latest developments in the field The course provides a solid understanding of the role played by quantitative analyses in research evaluation The core of the course is devoted to bibliometric analysis approaches and examines their rationales methodology and limitations The programme offers both lectures and hands on interactive modules Read more Training Education CWTS Course for Professionals Advanced Citation Analysis VOSviewer Course Tailor made Training Courses Minor Science and Technology in Society Master and PhD Thesis Supervision Share on facebook Share on twitter Share on linkedin Share Share this page Advanced Citation Analysis The Advanced Citation Analysis course deals with all ins and outs of professional citation analysis and its use in research assessment contexts The course can be seen as a follow up on the Measuring Science and Research Performance course with a specific focus on citation analysis The Advanced Citation Analysis course is especially well suited to anyone who wants to get a deep understanding of the bibliometric methods used in for instance the CWTS Leiden Ranking and in bibliometric reports produced by CWTS Read more Bibliometric Network Analysis and Science Mapping Using VOSviewer The aim of this course is to give the participants a thorough introduction into bibliometric network analysis and science mapping with a special emphasis on the VOSviewer software www vosviewer com developed at Leiden University s Centre for Science and Technology Studies CWTS Participants are introduced

    Original URL path: http://www.cwts.nl/training-education (2016-02-06)
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  • CWTS :: CWTS Course for Professionals
    passion in their work This course was recommended to me by colleague It s a fine blend of theory and practice The connected nature of a week is sensible and gives the participants the opportunity to critically reflect on the possible values of research evaluations The international composition is fine This gives me insight into what others are struggling with The course gives me a comprehensive overview of the field I am going to use this knowledge in the interpretation of research evaluations Good mixture between theoretical and empirical knowledge The CWTS people are competent lecturers they are experts in their fields and are very open and easy to get into contact I did not know that so much research is going on in this field the different perspectives and dimensions I am really impressed Training Education CWTS Course for Professionals Aim Target group Methods of instruction Timetable Fee Program Registration Contact Advanced Citation Analysis Bibliometric Network Analysis and Science Mapping Using VOSviewer Tailor made Training Courses Minor Science and Technology in Society Master PhD Thesis Supervision Share on facebook Share on twitter Share on linkedin Share Share this page Aim Lectures are given about citation analysis network analysis and science mapping and societal impact of research Their rationales and methodology as well as limitations are discussed In addition participants work in small groups max five participants to develop and conduct a performance evaluation study and to interpret the results themselves Through this course participants will learn to work with advanced bibliometric indicators and with the VOSviewer science mapping software These applications play an essential role in many of CWTS projects They will also be introduced to different data sources including altmetrics and patent databases which are used for evaluation purposes At the end of the course the groups will

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  • CWTS :: Advanced Citation Analysis
    the intended and unintended consequences that the use of citation analysis may have The focus will be in particular on university rankings and on citation analysis at the level of individual researchers After attending the Advanced Citation Analysis course participants will have a solid knowledge on the use and interpretation of advanced citation statistics for instance the statistics provided in the well known CWTS Leiden Ranking or in bibliometric reports produced by CWTS Training Education CWTS Course for Professionals Advanced Citation Analysis Aim Lecturers Audience Venue Schedule Course program Course fee Registration Contact Bibliometric Network Analysis and Science Mapping Using VOSviewer Tailor made Training Courses Minor Science and Technology in Society Master PhD Thesis Supervision Share on facebook Share on twitter Share on linkedin Share Share this page Lecturers The course is provided by our well known academic staff The following CWTS staff members offer lectures in the course Ludo Waltman PhD Ludo is managing the CWTS research program on Advanced Bibliometric Methods He is also responsible for the calculation of the bibliometric indicators in the CWTS Leiden Ranking Martijn Visser MSc Martijn has a broad expertise on bibliographic databases He also has a longstanding experience in bibliometric performance studies Alex Rushforth PhD Alex is an expert on evaluation practices in science The lecturers have substantial teaching experience and are all professionally trained in the use of interactive instruction methods The Advanced Citation Analysis course offers ample opportunities for discussion between participants and lecturers Audience The course is a perfect match for anyone with an advanced interest in professional citation analyses or the ins and outs of the CWTS Leiden Ranking We advise participants that the course is most beneficial if they already have some basic knowledge on bibliometrics and citation analysis for instance by having followed our introductory course

    Original URL path: http://www.cwts.nl/training-education/advanced-citation-analysis (2016-02-06)
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  • CWTS :: Bibliometric Network Analysis and Science Mapping Using VOSviewer
    to give the participants a thorough introduction into bibliometric network analysis and science mapping with a special emphasis on the VOSviewer software www vosviewer com developed at Leiden University s Centre for Science and Technology Studies CWTS Participants are introduced into the main techniques for bibliometric network analysis and science mapping Special attention is paid to applications in a research evaluation and science policy context The small group max 16 participants allows participants to practice extensively with the VOSviewer software and to explore the functionality in full detail In addition participants will practice with CitNetExplorer a new bibliometric network analysis tool available at www citnetexplorer nl The course has an interactive format in which there is a lot of room for discussion and exchanging ideas Training Education CWTS Course for Professionals Advanced Citation Analysis Bibliometric Network Analysis and Science Mapping Using VOSviewer Aim Lecturers Audience Venue Schedule Course program Course fee Registration Contact Tailor made Training Courses Minor Science and Technology in Society Master PhD Thesis Supervision Share on facebook Share on twitter Share on linkedin Share Share this page Lectures The lecturers of the course are Ludo Waltman and Nees Jan van Eck The lecturers are prominent researchers in the field of bibliometric network analysis and science mapping They are the developers of the well known VOSviewer and CitNetExplorer software tools They also have an extensive experience with the application of bibliometric network analysis in a research evaluation and science policy context Audience We advise participants that the course is most beneficial for them if they have some basic background knowledge on bibliometrics In order to have optimal possibilities for interaction with the lecturers the number of participants in the course is limited to 16 Participants are expected to bring their own laptop with them Venue The course will

    Original URL path: http://www.cwts.nl/training-education/bibliometric-network-analysis-and-science-mapping-using-vosviewer (2016-02-06)
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