Thed N. van Leeuwen

79 papers Journal 72Unranked 7

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