Thed N. van Leeuwen

Publication Activity (10 Years)

Years Active: 1993-2023
Publications (10 Years): 26

Top Topics

Social Sciences

Scientific Publications

Bibliometric Analysis

Top Venues

J. Informetrics

Publications

Verena Weimer, Tamara Heck, Thed N. van Leeuwen, Marc Rittberger
The quantification of open scholarship - a mapping review. Quant. Sci. Stud. 4 (3) (2023)
Giovanni Abramo, Isidro F. Aguillo, Dag W. Aksnes, Kevin W. Boyack, Quentin L. Burrell, Juan Miguel Campanario, Zaida Chinchilla-Rodríguez, Rodrigo Costas, Ciriaco Andrea D'Angelo, Anne-Wil Harzing, Hamid R. Jamali, Vincent Larivière, Loet Leydesdorff, Marc Luwel, Ben Martin, Philipp Mayr, Katherine W. McCain, Isabella Peters, Ismael Ràfols, Nicolás Robinson-García, Torben Schubert, Henry Small, Cassidy R. Sugimoto, Mike Thelwall, Peter van den Besselaar, Thed N. van Leeuwen, Ludo Waltman
Retraction of Predatory publishing in Scopus: evidence on cross-country differences lacks justification. Scientometrics 128 (2) (2023)
Andrea Sixto-Costoya, Nicolás Robinson-García, Thed N. van Leeuwen, Rodrigo Costas
Exploring the relevance of ORCID as a source of study of data sharing activities at the individual-level: a methodological discussion. CoRR (2021)
Andrea Sixto-Costoya, Nicolás Robinson-García, Thed N. van Leeuwen, Rodrigo Costas
Exploring the relevance of ORCID as a source of study of data sharing activities at the individual-level: a methodological discussion. Scientometrics 126 (8) (2021)
Gemma E. Derrick, Pei-Ying Chen, Thed N. van Leeuwen, Vincent Larivière, Cassidy R. Sugimoto
The academic motherload: Models of parenting engagement and the effect on academic productivity and performance. CoRR (2021)
Nicolás Robinson-García, Rodrigo Costas, Thed N. van Leeuwen
State of Open Access penetration in universities worldwide. CoRR (2020)
Maarten P. Rozing, Thed N. van Leeuwen, P. H. Reitsma, F. R. Rosendaal, N. A. Aziz
Freeloading in biomedical research. Scientometrics 122 (1) (2020)
Giovanni Colavizza, Thomas Franssen, Thed N. van Leeuwen
An empirical investigation of the tribes and their territories: Are research specialisms rural and urban? J. Informetrics 13 (1) (2019)
Jesper W. Schneider, Thed N. van Leeuwen, Martijn S. Visser, Kaare Aagaard
Examining national citation impact by comparing developments in a fixed and a dynamic journal set. Scientometrics 119 (2) (2019)
Nicolás Robinson-García, Rodrigo Costas, Thed N. van Leeuwen
Indicators of Open Access for universities. ISSI (2019)
Nicolás Robinson-García, Rodrigo Costas, Thed N. van Leeuwen, Tina Nane
Towards a multidimensional valuation model of scientists. ISSI (2019)
Nicolás Robinson-García, Rodrigo Costas, Thed N. van Leeuwen
Indicators of Open Access for universities. CoRR (2019)
Marc Luwel, Thed N. van Leeuwen
Has the 2008 Global Financial Crisis a lasting impact on universities and public research institutes in the European Union? ISSI (2019)
Gemma Derrick, Adam Jaeger, Pei-Ying Chen, Cassidy R. Sugimoto, Thed N. van Leeuwen, Vincent Larivière
Models of parenting and its effect on academic productivity: Preliminary results from an international survey. ISSI (2019)
Thed N. van Leeuwen, Jesper W. Schneider
Research performance measurement of universities in the R-Quest countries under various OA mandates. ISSI (2019)
Alex Rushforth, Alfredo Yegros-Yegros, Philippe Mongeon, Thed N. van Leeuwen
How does undone science get funded? A bibliometric analysis linking rare diseases publications to national and European funding sources. CoRR (2018)
Alberto Martín-Martín, Rodrigo Costas, Thed N. van Leeuwen, Emilio Delgado López-Cózar
Evidence of Open Access of scientific publications in Google Scholar: a large-scale analysis. CoRR (2018)
Thed N. van Leeuwen
Measuring Research: What Everyone Needs to Know, Cassidy R. Sugimoto, Vincent Larivière, Oxford University Press (2018). J. Informetrics 12 (4) (2018)
Alberto Martín-Martín, Rodrigo Costas, Thed N. van Leeuwen, Emilio Delgado López-Cózar
Unbundling Open Access dimensions: a conceptual discussion to reduce terminology inconsistencies. CoRR (2018)
Thed N. van Leeuwen, Clifford Tatum, Paul F. Wouters
Exploring possibilities to use bibliometric data to monitor gold open access publishing at the national level. J. Assoc. Inf. Sci. Technol. 69 (9) (2018)
Giovanni Colavizza, Thomas Franssen, Thed N. van Leeuwen
An empirical investigation of the Tribes and their Territories: are research specialisms rural and urban? CoRR (2018)
Alberto Martín-Martín, Rodrigo Costas, Thed N. van Leeuwen, Emilio Delgado López-Cózar
Evidence of open access of scientific publications in Google Scholar: A large-scale analysis. J. Informetrics 12 (3) (2018)
Thed N. van Leeuwen, Ingeborg Meijer, Alfredo Yegros-Yegros, Rodrigo Costas
Developing indicators on Open Access by combining evidence from diverse data sources. CoRR (2018)
Thed N. van Leeuwen, Paul F. Wouters
Analysis of Publications on Journal Impact Factor Over Time. Frontiers Res. Metrics Anal. 2 (2017)
Thed N. van Leeuwen, Erik Van Wijk, Paul F. Wouters
Bibliometric analysis of output and impact based on CRIS data: a case study on the registered output of a Dutch university. Scientometrics 106 (1) (2016)
Nicolás Robinson-García, Thed N. van Leeuwen, Ismael Ràfols
SSH & the City. A Network Approach for Tracing the Societal Contribution of the Social Sciences and Humanities for Local Development. CoRR (2016)
Adrián A. Díaz-Faes, María Bordons, Thed N. van Leeuwen, Ma Purificación Galindo
Outlining the Scientific Activity Profile of Researchers in the Social Sciences and Humanities in Spain: The Case of CSIC. ISSI (2015)
Thed N. van Leeuwen, Clifford Tatum, Paul Wouters
Open Access Publishing and Citation Impact - An International Study. ISSI (2015)
Dag W. Aksnes, Thed N. van Leeuwen, Gunnar Sivertsen
The effect of booming countries on changes in the relative specialization index (RSI) on country level. Scientometrics 101 (2) (2014)
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser
Some modifications to the SNIP journal impact indicator. J. Informetrics 7 (2) (2013)
Thed N. van Leeuwen, Rodrigo Costas, Clara Calero-Medina, Martijn S. Visser
The role of editorial material in bibliometric research performance assessments. Scientometrics 95 (2) (2013)
Thed N. van Leeuwen, Leo Kriegsman, Jan van Tol, Joost Schokkenbroek
The changing role of museums in the global scientific landscape. J. Sci. Res. 2 (2) (2013)
Rodrigo Costas, Thed N. van Leeuwen, María Bordons
Referencing patterns of individual researchers: Do top scientists rely on more extensive information sources? J. Assoc. Inf. Sci. Technol. 63 (12) (2012)
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, Paul Wouters
The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation CoRR (2012)
Thed N. van Leeuwen
Discussing some basic critique on Journal Impact Factors: revision of earlier comments. Scientometrics 92 (2) (2012)
Clara Calero-Medina, Thed N. van Leeuwen
Seed journal citation network maps: A method based on network theory. J. Assoc. Inf. Sci. Technol. 63 (6) (2012)
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, Paul Wouters
The Leiden ranking 2011/2012: Data collection, indicators, and interpretation. J. Assoc. Inf. Sci. Technol. 63 (12) (2012)
Rodrigo Costas, Thed N. van Leeuwen
Approaching the "reward triangle": General analysis of the presence of funding acknowledgments and "peer interactive communication" in scientific publications. J. Assoc. Inf. Sci. Technol. 63 (8) (2012)
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser
Some modifications to the SNIP journal impact indicator CoRR (2012)
Rodrigo Costas, Thed N. van Leeuwen, Anthony F. J. van Raan
The "Mendel syndrome" in science: durability of scientific literature and its effects on bibliometric analysis of individual scientists. Scientometrics 89 (1) (2011)
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan
On the correlation between bibliometric indicators and peer review: reply to Opthof and Leydesdorff. Scientometrics 88 (3) (2011)
Alesia A. Zuccala, Thed N. van Leeuwen
Book reviews in humanities research evaluations. J. Assoc. Inf. Sci. Technol. 62 (10) (2011)
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan
Towards a new crown indicator: Some theoretical considerations. J. Informetrics 5 (1) (2011)
Anthony F. J. van Raan, Thed N. van Leeuwen, Martijn S. Visser
Severe language effect in university rankings: particularly Germany and France are wronged in citation-based rankings. Scientometrics 88 (2) (2011)
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan
On the correlation between bibliometric indicators and peer review: Reply to Opthof and Leydesdorff CoRR (2011)
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan
Towards a new crown indicator: an empirical analysis. Scientometrics 87 (3) (2011)
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan
Towards a new crown indicator: Some theoretical considerations CoRR (2010)
Rodrigo Costas, Thed N. van Leeuwen, María Bordons
Self-citations at the meso and individual levels: effects of different calculation methods. Scientometrics 82 (3) (2010)
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan
Towards a new crown indicator: An empirical analysis CoRR (2010)
Anthony F. J. van Raan, Thed N. van Leeuwen, Martijn S. Visser, Nees Jan van Eck, Ludo Waltman
Rivals for the crown: Reply to Opthof and Leydesdorff CoRR (2010)
Anthony F. J. van Raan, Thed N. van Leeuwen, Martijn S. Visser, Nees Jan van Eck, Ludo Waltman
Rivals for the crown: Reply to Opthof and Leydesdorff. J. Informetrics 4 (3) (2010)
Anthony F. J. van Raan, Thed N. van Leeuwen, Martijn S. Visser
Severe Language Effect in University Rankings: Particularly Germany and France are wronged in citation-based rankings CoRR (2010)
Rodrigo Costas, Thed N. van Leeuwen, María Bordons
A bibliometric classificatory approach for the study and assessment of research performance at the individual level: The effects of age on productivity and impact. J. Assoc. Inf. Sci. Technol. 61 (8) (2010)
Anton J. Nederhof, Thed N. van Leeuwen, Anthony F. J. van Raan
Highly cited non-journal publications in political science, economics and psychology: a first exploration. Scientometrics 83 (2) (2010)
Rodrigo Costas, Thed N. van Leeuwen, Anthony F. J. van Raan
Is scientific literature subject to a 'Sell-By-Date'? A general methodology to analyze the 'durability' of scientific documents. J. Assoc. Inf. Sci. Technol. 61 (2) (2010)
Rodrigo Costas, Thed N. van Leeuwen, Anthony F. J. van Raan
Is scientific literature subject to a sell-by-date? A general methodology to analyze the durability of scientific documents CoRR (2009)
Rodrigo Costas, María Bordons, Thed N. van Leeuwen, Anthony F. J. van Raan
Scaling rules in the science system: Influence of field-specific citation characteristics on the impact of individual researchers. J. Assoc. Inf. Sci. Technol. 60 (4) (2009)
Thed N. van Leeuwen
Strength and weakness of national science systems: A bibliometric analysis through cooperation patterns. Scientometrics 79 (2) (2009)
Clara Calero, Thed N. van Leeuwen, Robert J. W. Tijssen
Research cooperation within the bio-pharmaceutical industry: Network analyses of co-publications within and between firms. Scientometrics 71 (1) (2007)
Thed N. van Leeuwen
The application of bibliometric analyses in the evaluation of social science research. Who benefits from it, and why it is still feasible. Scientometrics 66 (1) (2006)
Robert J. W. Tijssen, Thed N. van Leeuwen
Measuring impacts of academic science on industrial research: A citation-based approach. Scientometrics 66 (1) (2006)
Bart Van Looy, Koenraad Debackere, Julie Callaert, Robert J. W. Tijssen, Thed N. van Leeuwen
Scientific capabilities and technological performance of national innovation systems: An exploration of emerging industrial relevant research domains. Scientometrics 66 (2) (2006)
Thed N. van Leeuwen, Henk F. Moed
Characteristics of journal impact factors: The effects of uncitedness and citation distribution on the understanding of journal impact factors. Scientometrics 63 (2) (2005)
Thed N. van Leeuwen, Martijn S. Visser, Henk F. Moed, Anton J. Nederhof, Anthony F. J. van Raan
The Holy Grail of science policy: Exploring and combining bibliometric tools in search of scientific excellence. Scientometrics 57 (2) (2003)
Ed J. Rinia, Thed N. van Leeuwen, Eppo E. W. Bruins, Hendrik G. van Vuren, Anthony F. J. van Raan
Measuring knowledge transfer between fields of science. Scientometrics 54 (3) (2002)
Ed J. Rinia, Thed N. van Leeuwen, Anthony F. J. van Raan
Impact measures of interdisciplinary research in physics. Scientometrics 53 (2) (2002)
Thed N. van Leeuwen, Henk F. Moed
Development and application of journal impact measures in the Dutch science system. Scientometrics 53 (2) (2002)
Robert J. W. Tijssen, Martijn S. Visser, Thed N. van Leeuwen
Benchmarking international scientific excellence: Are highly cited research papers an appropriate frame of reference? Scientometrics 54 (3) (2002)
Thed N. van Leeuwen, Henk F. Moed, Robert J. W. Tijssen, Martijn S. Visser, Anthony F. J. van Raan
Language biases in the coverage of the Science Citation Index and its consequencesfor international comparisons of national research performance. Scientometrics 51 (1) (2001)
Ed J. Rinia, Thed N. van Leeuwen, Eppo E. W. Bruins, Hendrik G. van Vuren, Anthony F. J. van Raan
Citation delay in interdisciplinary knowledge exchange. Scientometrics 51 (1) (2001)
R. J. W. Tussen, R. K. Buter, Thed N. van Leeuwen
Technological Relevance of Science: An Assessment of Citation Linkages between Patents and Research Papers. Scientometrics 47 (2) (2000)
Thed N. van Leeuwen, Henk F. Moed, Jan Reedijk
Critical comments on Institute for Scientific Information impact factors: a sample of inorganic molecular chemistry journals. J. Inf. Sci. 25 (6) (1999)
Henk F. Moed, Thed N. van Leeuwen, Jan Reedijk
Towards appropriate indicators of journal impact. Scientometrics 46 (3) (1999)
Henk F. Moed, Thed N. van Leeuwen, Jan Reedijk
A new classification system to describe the ageing of scientific journals and their impact factors. J. Documentation 54 (4) (1998)
Henk F. Moed, Thed N. van Leeuwen, Jan Reedijk
and the journal of the American Chemical Society inaccuracies in published impact factors based on overall citations only. Scientometrics 37 (1) (1996)
Robert J. W. Tijssen, Thed N. van Leeuwen
On generalising scientometric journal mapping beyond ISI's journal and citation databases. Scientometrics 33 (1) (1995)
Henk F. Moed, Thed N. van Leeuwen
Improving the Accuracy of Institute for Scientific Informations's Journal Impact Factors. J. Am. Soc. Inf. Sci. 46 (6) (1995)
Henk F. Moed, Renger E. de Bruin, Thed N. van Leeuwen
New bibliometric tools for the assessment of national research performance: Database description, overview of indicators and first applications. Scientometrics 33 (3) (1995)
Thed N. van Leeuwen, Robert J. W. Tijssen
Assessing multidisciplinary areas of science and technology: A synthetic bibliometric study of Dutch nuclear energy research. Scientometrics 26 (1) (1993)