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  • Zohreh Zahedi
    Zohreh is investigating the different altmetrics data sources and tools to study the possibilities of measuring online evidence of scholarly outputs to assess their reliability and validity as well as the feasibility of their applications in research assessments purposes to investigate whether alternative metrics can be useful for research assessment and complement the traditional metrics Beyond the immediate subject of her PhD Zohreh is also involved in working groups Career in Policy Path in Science and Societal Impact of Research SURE and particularly contributes to the Altmetrics research line as part of the CWTS SURE working group She has published a number of papers on the topics of altmetrics and other topics Zohreh has received several grants honors and awards during her PhD at CWTS among them are Leiden University Fund proposal award for doing a collaborative altmetrics project research visit in the University of Montreal Canada Thomson Reuters 1 AM altmetrics project funding award and the most important one is that she has awarded an Honorable mention of the Eugene Garfield Doctoral Dissertation Scholarship Award by the ISSI committee at the 15th International Conference on Scientometrics and Informetrics ISSI 2015 Bogazici University Istanbul Turkey for her PhD dissertation possibilities and feasibility of using altmetric measurements social media metrics in research evaluation Publications Journal publications 4 Costas R Zahedi Z Wouters P 2015 Do altmetrics correlate with citations Extensive comparison of altmetric indicators with citations from a multidisciplinary perspective Journal of the Association for Information Science and Technology 66 10 2003 2019 Costas R Zahedi Z Wouters P 2015 The thematic orientation of publications mentioned on social media Large scale disciplinary comparison of social media metrics with citations Aslib Journal of Information Management 67 3 260 288 doi 10 1108 AJIM 12 2014 0173 Robinson Garcia N Torres Salinas D Zahedi Z Costas R 2014 Nuevos datos nuevas posibilidades Revelando el interior de Altmetric com New data new possibilities Exploring the insides of Altmetric com El Profesional de la Information 23 4 359 366 doi 10 3145 epi 2014 jul 03 Zahedi Z Costas R Wouters P 2014 How well developed are altmetrics A cross disciplinary analysis of the presence of alternative metrics in scientific publications Scientometrics 101 2 1491 1513 doi 10 1007 s11192 014 1264 0 Conference publications 10 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 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 Van der Weijden I C M Zahedi Z Must Ü

    Original URL path: http://www.cwts.nl/people/zohreh-zahedi (2016-02-06)
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  • Björn Hammarfelt
    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 Björn Hammarfelt Björn Hammarfelt Together with Sarah de Rijcke he will work on Measuring science The use of metrics in assessing impact innovation and excellence in modern academia The project financed by The Swedish Research Council focuses on the governance of science with an emphasis on how research is made auditable through the use of quantitative techniques especially bibliometrics Publication patterns as well as questionnaires will be used in order to examine how bibliometric evaluation influences the practices of scholars Studies will also be made of university rankings and their use in promoting the excellent university In tying the practical institutional and political levels together the project aims to provide a unique perspective on the emergence of a metrics culture in academia Using a theoretical stance in theories about the audit and risk society

    Original URL path: http://www.cwts.nl/people/bjoumlrn-hammarfelt (2016-02-06)
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  • Marc Luwel
    full functionality of this site it is necessary to enable JavaScript Here are the instructions how to enable JavaScript in your web browser People Marc Luwel Marc Luwel PhD Marc Luwel PhD in Physics He is the Director of the Flemish Agency for Research Infrastructure Herculesstichting Hercules Foundation and a guest researcher at the Centre for Science and Technology Studies CWTS University of Leiden His research interests include performance based funding in higher education and measuring outcome and impact of publicly funded research He has been i a Vice Chair of the Accreditation Organization of the Netherlands and Flanders NVAO deputy chief of staff of the Flemish Minister of Education and Science and an adviser to the Belgian Prime Minister Publications Journal publications 5 Luwel M J J Van Wijk E 2015 The translational effect in medical journals Bridging the gap Research Evaluation 24 1 19 29 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 Luwel M J J Noyons E C M Moed H F 1999 Bibliometric assessment of research performance in Flanders Policy background and implications R D Management 29 2 133 141 Noyons E C M Luwel M J J Moed H F 1999 Combining mapping and citation analysis for evaluative bibliometric purposes Journal of the American Society for Information Science 50 2 115 131 Noyons E C M Luwel M J J Moed H F 1998 Assessment of Flemish R D in the field of information technology a bibliometric evaluation based on publication and patent data combined with OECD research input statistics Research Policy 27 3 285 300 Conference publications 3 Van Leeuwen T N Luwel M J J 2014 An

    Original URL path: http://www.cwts.nl/people/marc-luwel (2016-02-06)
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  • Tina Nane
    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

    Original URL path: http://www.cwts.nl/people/tina-nane (2016-02-06)
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  • Ton Nederhof
    in the humanities Library Trends 50 3 489 520 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 Nederhof A J Van Wijk E 1999 Profiling institutes Identifying high research performance and social relevance in the social and behavioral sciences Scientometrics 44 3 487 506 doi 10 1007 BF02458491 Nederhof A J Van Wijk E 1997 Mapping the social and behavioral sciences world wide Use of maps in portfolio analysis of national research efforts Scientometrics 40 2 237 276 Nederhof A J Meijer R F 1995 Development of bibliometric indicators for utility of research to users in society Measurement of external knowledge transfer via publications in trade journals Scientometrics 32 1 37 48 doi 10 1007 BF02020187 Nederhof A J Moed H F 1993 Modeling multinational publication Development of an on line fractionation approach to measure national scientific output Scientometrics 27 1 39 52 doi 10 1007 BF02017754 Nederhof A J Van Raan A F J 1993 A bibliometric analysis of 6 economics research groups A comparison with peer review Research Policy 22 4 353 368 doi 10 1016 0048 7333 93 90005 3 Nederhof A J Meijer R F Moed H F Van Raan A F J 1993 Research performance indicators for university departments A study of an agricultural university Scientometrics 27 2 157 178 doi 10 1007 BF02016548 Meertens R W Nederhof A J Wilke H A M 1992 Social psychological research in The Netherlands 1980 1988 European Journal of Social Psychology 22 1 93 100 doi 10 1002 ejsp 2420220110 Nederhof A J Noyons E C M 1992 Assessment of the international standing of university departments research A comparison of bibliometric methods Scientometrics 24 3 393 404 doi 10 1007 BF02051037 Nederhof A J Noyons E C M 1992 International comparison of departments research performance in the humanities Journal of the American Society for Information Science 43 3 249 256 Moed H F De Bruin R E Nederhof A J Tijssen R J W 1991 International scientific co operation and awareness within the European community Problems and perspectives Scientometrics 21 3 291 311 doi 10 1007 BF02093972 Nederhof A J Zwaan R A 1991 Quality judgments of journals as indicators of research performance in the humanities and the social and behavioral sciences Journal of the American Society for Information Science 42 5 332 340 Nederhof A J 1990 Between accommodation and orchestration The implementation of the science policy priority for Biotechnology in the Netherlands Research Policy 19 4 379 386 doi 10 1016 0048 7333 90 90021 W Zwaan R A Nederhof A J 1990 Some Aspects of Scholarly Communication in Linguistics An Empirical Study Language 66 3 553 557 doi 10 2307 414612 Nederhof A J 1989 Books and chapters are not to be neglected in measuring research productivity American Psychologist 44 4 734 735 doi 10 1037

    Original URL path: http://www.cwts.nl/people/ton-nederhof (2016-02-06)
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  • Mark Neijssel
    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 Mark Neijssel Mark Neijssel MSc Mark Neijssel holds a M Sc in Bio organic chemistry at University of Amsterdam Since 1999 he has been active in various commercial roles within contract research organisations companies for the bio pharmaceutical industry His main activities have always taken place at the common ground of commerce and science As such he has worked a considerable period as business development manager for TNO a large Dutch research institute and later on for Cardialysis a spin out company of the Erasmus University Medical Centre At CWTS B V he is responsible for the development of the contract research

    Original URL path: http://www.cwts.nl/people/mark-neijssel (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/PaulWouters (2016-02-06)
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  • Robert Tijssen
    authorship data for the world s largest universities Research Evaluation 18 1 13 24 doi 10 3152 095820209X393145 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 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 Tijssen R J W 2007 Africa s contribution to the worldwide research literature new analytical perspectives trends and performance indicators Scientometrics 71 303 327 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 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 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 Tijssen R J W 2003 Scoreboards of research excellence Research Evaluation 12 2 91 104 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 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 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 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

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