Loet Leydesdorff

ORCID

Publication Activity (10 Years)

Years Active: 1981-2023
Publications (10 Years): 158

Top Venues

CoRR

Scientometrics

J. Assoc. Inf. Sci. Technol.

J. Informetrics

Publications

Cinzia Daraio, Simone Di Leo, Loet Leydesdorff
A heuristic approach based on Leiden rankings to identify outliers: evidence from Italian universities in the European landscape. Scientometrics 128 (1) (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)
Caroline S. Wagner, Lin Zhang, Loet Leydesdorff
A discussion of measuring the top-1% most-highly cited publications: quality and impact of Chinese papers. Scientometrics 127 (4) (2022)
Caroline S. Wagner, Lin Zhang, Loet Leydesdorff
A discussion of measuring the top-1 percent most-highly cited publications: Quality and impact of Chinese papers. CoRR (2022)
Loet Leydesdorff, Inga A. Ivanova
The measurement of "interdisciplinarity" and "synergy" in scientific and extra-scientific collaborations. J. Assoc. Inf. Sci. Technol. 72 (4) (2021)
Loet Leydesdorff, Lutz Bornmann
Disruption indices and their calculation using web-of-science data: Indicators of historical developments or evolutionary dynamics? J. Informetrics 15 (4) (2021)
Loet Leydesdorff, Caroline S. Wagner, Lin Zhang
Are University Rankings Statistically Significant? A Comparison among Chinese Universities and with the USA. J. Data Inf. Sci. 6 (2) (2021)
Lin Zhang, Loet Leydesdorff
The Scientometric Measurement of Interdisciplinarity and Diversity in the Research Portfolios of Chinese Universities. J. Data Inf. Sci. 6 (4) (2021)
Andreas Thor, Lutz Bornmann, Robin Haunschild, Loet Leydesdorff
Which are the influential publications in the Web of Science subject categories over a long period of time? CRExplorer software used for big-data analyses in bibliometrics . J. Inf. Sci. 47 (3) (2021)
Loet Leydesdorff, Lutz Bornmann, Caroline S. Wagner
Improved clusterings and visualizations of 11, 359 journals in the JCRs 2015. Scientometrics 126 (6) (2021)
Robin Haunschild, Loet Leydesdorff, Lutz Bornmann, Iina Hellsten, Werner Marx
Corrigendum to "Does the public discuss other topics on climate change than researchers? A comparison of explorative networks based on author keywords and hashtags" [J. Informetrics 13 (2019) 695-707]. J. Informetrics 14 (1) (2020)
Xiaozan Lyu, Ping Zhou, Loet Leydesdorff
Eco-system mapping of techno-science linkages at the level of scholarly journals and fields. Scientometrics 124 (3) (2020)
Lutz Bornmann, Loet Leydesdorff
Historical roots of Judit Bar-Ilan's research: a cited-references analysis using CRExplorer. Scientometrics 123 (3) (2020)
Robin Haunschild, Loet Leydesdorff, Lutz Bornmann
Library and Information Science Papers Discussed on Twitter: A new Network-based Approach for Measuring Public Attention. J. Data Inf. Sci. 5 (3) (2020)
Loet Leydesdorff, Ismael Ràfols, Stasa Milojevic
Bridging the divide between qualitative and quantitative science studies. Quant. Sci. Stud. 1 (3) (2020)
Gangan Prathap, Somenath Mukherjee, Loet Leydesdorff
Within-journal self-citations and the Pinski-Narin influence weights. J. Informetrics 14 (1) (2020)
Lutz Bornmann, Christian Ganser, Alexander Tekles, Loet Leydesdorff
-index reinforce the Matthew effect in science? The introduction of agent-based simulations into scientometrics. Quant. Sci. Stud. 1 (1) (2020)
Iina Hellsten, Loet Leydesdorff
Automated analysis of actor-topic networks on twitter: New approaches to the analysis of socio-semantic networks. J. Assoc. Inf. Sci. Technol. 71 (1) (2020)
Loet Leydesdorff, Lutz Bornmann
"Interdisciplinarity" and "Synergy" in the Œuvre of Judit Bar-Ilan. Scientometrics 123 (3) (2020)
Loet Leydesdorff, Caroline S. Wagner, Lin Zhang
Are University Rankings Statistically Significant? A Comparison among Chinese Universities and with the USA. CoRR (2020)
Loet Leydesdorff, Franz Hoegl
The evolutionary dynamics of expectations: Interactions among codes in inter-human communications. Biosyst. 198 (2020)
Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann
Interdisciplinarity as diversity in citation patterns among journals: Rao-Stirling diversity, relative variety, and the Gini coefficient. J. Informetrics 13 (1) (2019)
Lutz Bornmann, Alexander Tekles, Loet Leydesdorff
The convergent validity of several (field-normalized) bibliometric indicators: How well does I3 perform for impact measurement? CoRR (2019)
Lutz Bornmann, Alexander Tekles, Loet Leydesdorff
The convergent validity of several (field-normalized) bibliometric indicators: How well does I3 perform for impact measurement? ISSI (2019)
Andreas Thor, Lutz Bornmann, Robin Haunschild, Loet Leydesdorff
Which are the influential publications in the Web of Science subject categories over a long period of time? CRExplorer software used for big-data analyses in bibliometrics. CoRR (2019)
Loet Leydesdorff, Lutz Bornmann, Jonathan Adams
The Integrated Impact Indicator (I3) and the Journal Impact Factor: A Non‑Parametric Alternative. ISSI (2019)
Xiaozan Lyu, Ping Zhou, Loet Leydesdorff
Can the Emergence of New Developments in the Techno-Sciences be Indicated as 'Hot Spots' in Journal Maps? ISSI (2019)
Lutz Bornmann, Christian Ganser, Alexander Tekles, Loet Leydesdorff
index reinforce the Matthew effect in science? Agent-based simulations using Stata and R. CoRR (2019)
Robin Haunschild, Loet Leydesdorff, Lutz Bornmann, Iina Hellsten, Werner Marx
Does the public discuss other topics on climate change than researchers? A comparison of explorative networks based on author keywords and hashtags. J. Informetrics 13 (2) (2019)
Loet Leydesdorff, Lutz Bornmann, Caroline S. Wagner
The Relative Influences of Government Funding and International Collaboration on Citation Impact. J. Assoc. Inf. Sci. Technol. 70 (2) (2019)
Loet Leydesdorff, Lutz Bornmann, John Mingers
Statistical significance and effect sizes of differences among research universities at the level of nations and worldwide based on the leiden rankings. J. Assoc. Inf. Sci. Technol. 70 (5) (2019)
Robin Haunschild, Loet Leydesdorff, Lutz Bornmann
Library and Information Science papers discussed on Twitter: a new network-based approach for measuring public attention. ISSI (2019)
Andreas Thor, Lutz Bornmann, Robin Haunschild, Loet Leydesdorff
Which are the influential publications in the Web of Science subject categories over a long period of time? CRExplorer software used for big-data analyses in bibliometrics. ISSI (2019)
Inga A. Ivanova, Nataliya Smorodinskaya, Loet Leydesdorff
Toward Better Growth Policies in a Modern Economy: The Comparison of Three Complexity Indices. ISSI (2019)
Inga A. Ivanova, Øivind Strand, Loet Leydesdorff
An Eco-Systems Approach to Constructing Economic Complexity Measures: Endogenization of the technological Dimension using Lotka-Volterra equations. Adv. Complex Syst. 22 (1) (2019)
Loet Leydesdorff, Lutz Bornmann, Tobias Opthof
: the scientist as chimpanzee or bonobo. Scientometrics 118 (3) (2019)
Gangan Prathap, Loet Leydesdorff
Impact factors, Within-Journal Self-citations, and the Pinski-Narin Influence Weights: An analysis using both subfields and the complete Journal Citation Reports 2017. CoRR (2019)
Lutz Bornmann, Alexander Tekles, Loet Leydesdorff
How well does I3 perform for impact measurement compared to other bibliometric indicators? The convergent validity of several (field-normalized) indicators. Scientometrics 119 (2) (2019)
Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann
Diversity measurement: Steps towards the measurement of interdisciplinarity? J. Informetrics 13 (3) (2019)
Loet Leydesdorff, Caroline S. Wagner, Igone Porto Gómez, Jordan A. Comins, Fred Phillips
Synergy in the knowledge base of U.S. innovation systems at national, state, and regional levels: The contributions of high-tech manufacturing and knowledge-intensive services. J. Assoc. Inf. Sci. Technol. 70 (10) (2019)
Loet Leydesdorff, Lutz Bornmann, Jonathan Adams
The integrated impact indicator revisited (I3*): a non-parametric alternative to the journal impact factor. Scientometrics 119 (3) (2019)
Lutz Bornmann, Loet Leydesdorff
Count highly-cited papers instead of papers with h citations: use normalized citation counts and compare "like with like"! Scientometrics 115 (2) (2018)
Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann
Betweenness and diversity in journal citation networks as measures of interdisciplinarity - A tribute to Eugene Garfield. Scientometrics 114 (2) (2018)
Jordan A. Comins, Stephanie A. Carmack, Loet Leydesdorff
Patent citation spectroscopy (PCS): Online retrieval of landmark patents based on an algorithmic approach. J. Informetrics 12 (4) (2018)
Loet Leydesdorff, Mark William Johnson, Inga A. Ivanova
Toward a calculus of redundancy: Signification, codification, and anticipation in cultural evolution. J. Assoc. Inf. Sci. Technol. 69 (10) (2018)
Lutz Bornmann, Jonathan Adams, Loet Leydesdorff
The negative effects of citing with a national orientation in terms of recognition: national and international citations in papers from Germany, the Netherlands, and UK. CoRR (2018)
Loet Leydesdorff, Lutz Bornmann, Tobias Opthof
hα: The Scientist as Chimpanzee or Bonobo. CoRR (2018)
Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann
Interdisciplinarity as Diversity in Citation Patterns among Journals: Rao-Stirling Diversity, Relative Variety, and the Gini coefficient. CoRR (2018)
Loet Leydesdorff, Ivan Cucco
Regions, Innovation Systems, and the North-South Divide in Italy. CoRR (2018)
Lutz Bornmann, Jonathan Adams, Loet Leydesdorff
The negative effects of citing with a national orientation in terms of recognition: National and international citations in natural-sciences papers from Germany, the Netherlands, and the UK. J. Informetrics 12 (3) (2018)
Loet Leydesdorff
Diversity and Interdisciplinarity: How Can One Distinguish and Recombine Disparity, Variety, and Balance? CoRR (2018)
Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann
Discontinuities in Citation Relations among Journals: Self-organized Criticality as a Model of Scientific Revolutions and Change. CoRR (2018)
Loet Leydesdorff
Diversity and interdisciplinarity: how can one distinguish and recombine disparity, variety, and balance? Scientometrics 116 (3) (2018)
Loet Leydesdorff, Tobias Opthof
Revisiting Relative Indicators and Provisional Truths. CoRR (2018)
Loet Leydesdorff, Lutz Bornmann, Jonathan Adams
I3: A Non-Parametric Alternative to the Journal Impact Factor. CoRR (2018)
Tobias Hecking, Loet Leydesdorff
Topic Modelling of Empirical Text Corpora: Validity, Reliability, and Reproducibility in Comparison to Semantic Maps. CoRR (2018)
Jordan A. Comins, Loet Leydesdorff
Data-mining the Foundational Patents of Photovoltaic Materials: An application of Patent Citation Spectroscopy. CoRR (2018)
Robin Haunschild, Loet Leydesdorff, Lutz Bornmann, Iina Hellsten, Werner Marx
Does the public discuss other topics on climate change than researchers? A comparison of networks based on author keywords and hashtags. CoRR (2018)
Lutz Bornmann, Robin Haunschild, Loet Leydesdorff
Reference publication year spectroscopy (RPYS) of Eugene Garfield's publications. Scientometrics 114 (2) (2018)
Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann
Discontinuities in citation relations among journals: self-organized criticality as a model of scientific revolutions and change. Scientometrics 116 (1) (2018)
Jordan A. Comins, Loet Leydesdorff
Data-Mining the Foundational Patents of Photovoltaic Materials: An Application of Patent Citation Spectroscopy. J. Sci. Res. 7 (2) (2018)
Jordan A. Comins, Loet Leydesdorff
Citation algorithms for identifying research milestones driving biomedical innovation. Scientometrics 110 (3) (2017)
Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann
Betweenness and Diversity in Journal Citation Networks as Measures of Interdisciplinarity - A Tribute to Eugene Garfield -. CoRR (2017)
Loet Leydesdorff, Wouter de Nooy, Lutz Bornmann
The Power-weakness Ratios (PWR) as a Journal Indicator: Testing the "Tournaments" Metaphor in Citation Impact Studies. J. Data Inf. Sci. 1 (3) (2017)
Loet Leydesdorff, Mark William Johnson, Inga A. Ivanova
Toward a Calculus of Redundancy: The feedback arrow of expectations in knowledge-based systems. CoRR (2017)
Loet Leydesdorff, Dieter Franz Kogler, Bowen Yan
Mapping Patent Classifications: Portfolio and Statistical Analysis, and the Comparison of Strengths and Weaknesses. CoRR (2017)
Lutz Bornmann, Robin Haunschild, Loet Leydesdorff
Reference Publication Year Spectroscopy (RPYS) of Eugene Garfield's publications. CoRR (2017)
Lutz Bornmann, Loet Leydesdorff
Skewness of citation impact data and covariates of citation distributions: A large-scale empirical analysis based on Web of Science data. J. Informetrics 11 (1) (2017)
Jordan A. Comins, Loet Leydesdorff
Identification of long-term concept-symbols among citations: Do common intellectual histories structure citation behavior? J. Assoc. Inf. Sci. Technol. 68 (5) (2017)
Loet Leydesdorff, Lutz Bornmann, John Mingers
Statistical Significance and Effect Sizes of Differences among Research Universities at the Level of Nations and Worldwide based on the Leiden Rankings. CoRR (2017)
Caroline S. Wagner, Travis A. Whetsell, Loet Leydesdorff
Growth of international collaboration in science: revisiting six specialties. Scientometrics 110 (3) (2017)
Helen F. Xue, Loet Leydesdorff, Fred Y. Ye
Probing Multivariate Indicators for Academic Evaluation. CoRR (2017)
Loet Leydesdorff, Han Woo Park
Full and fractional counting in bibliometric networks. J. Informetrics 11 (1) (2017)
Loet Leydesdorff, Dieter Franz Kogler, Bowen Yan
Mapping patent classifications: portfolio and statistical analysis, and the comparison of strengths and weaknesses. Scientometrics 112 (3) (2017)
Loet Leydesdorff, Wouter de Nooy
Can "hot spots" in the sciences be mapped using the dynamics of aggregated journal-journal citation Relations? J. Assoc. Inf. Sci. Technol. 68 (1) (2017)
Jordan A. Comins, Stephanie A. Carmack, Loet Leydesdorff
Patent Citation Spectroscopy (PCS): Algorithmic retrieval of landmark patents. CoRR (2017)
Loet Leydesdorff, Lutz Bornmann, Caroline S. Wagner
Generating clustered journal maps: an automated system for hierarchical classification. Scientometrics 110 (3) (2017)
Loet Leydesdorff, Caroline S. Wagner, Igone Porto Gómez, Jordan A. Comins, Fred Phillips
Synergy in the Knowledge Base of U.S. Innovation Systems at National, State, and Regional Levels: The Contributions of High-Tech Manufacturing and Knowledge-Intensive Services. CoRR (2017)
Loet Leydesdorff, Lutz Bornmann, Caroline S. Wagner
The relative influences of government funding and international collaboration on citation impact. CoRR (2017)
Loet Leydesdorff, Adina Nerghes
< 1, 000). J. Assoc. Inf. Sci. Technol. 68 (4) (2017)
Iina Hellsten, Loet Leydesdorff
Automated Analysis of Topic-Actor Networks on Twitter: New approach to the analysis of socio-semantic networks. CoRR (2017)
Daniele Rotolo, Ismael Ràfols, Michael M. Hopkins, Loet Leydesdorff
Strategic intelligence on emerging technologies: Scientometric overlay mapping. J. Assoc. Inf. Sci. Technol. 68 (1) (2017)
Stephen Carley, Alan L. Porter, Ismael Ràfols, Loet Leydesdorff
Visualization of Disciplinary Profiles: Enhanced Science Overlay Maps. J. Data Inf. Sci. 2 (3) (2017)
Xiaojun Hu, Loet Leydesdorff, Ronald Rousseau
Heterogeneity in an undirected network: Definition and measurement. J. Informetrics 11 (2) (2017)
Loet Leydesdorff
The positive side of discursive disagreements in the social sciences. J. Informetrics 11 (4) (2017)
Loet Leydesdorff
In Praise of Bibliometrics. J. Informetrics 11 (2) (2017)
Lutz Bornmann, Caroline S. Wagner, Loet Leydesdorff
The geography of references in elite articles: What countries contribute to the archives of knowledge. CoRR (2017)
Loet Leydesdorff, Paul Wouters, Lutz Bornmann
Professional and Citizen Bibliometrics: Complementarities and ambivalences in the development and use of indicators. CoRR (2016)
Dieter Franz Kogler, Gaston Heimeriks, Loet Leydesdorff
Patent Portfolio Analysis of Cities: Statistics and Maps of Technological Inventiveness. CoRR (2016)
Loet Leydesdorff, Lutz Bornmann
The operationalization of "fields" as WoS subject categories (WCs) in evaluative bibliometrics: The cases of "library and information science" and "science & technology studies". J. Assoc. Inf. Sci. Technol. 67 (3) (2016)
A. I. M. Jakaria Rahman, Raf Guns, Loet Leydesdorff, Tim C. E. Engels
Measuring the match between evaluators and evaluees: cognitive distances between panel members and research groups at the journal level. Scientometrics 109 (3) (2016)
Johann Bauer, Loet Leydesdorff, Lutz Bornmann
Highly cited papers in Library and Information Science (LIS): Authors, institutions, and network structures. J. Assoc. Inf. Sci. Technol. 67 (12) (2016)
Qiuju Zhou, Loet Leydesdorff
coefficients. J. Assoc. Inf. Sci. Technol. 67 (11) (2016)
Loet Leydesdorff, Lutz Bornmann, Jordan A. Comins, Stasa Milojevic
Citations: Indicators of Quality? The Impact Fallacy. CoRR (2016)
Han Woo Park, Jungwon Yoon, Loet Leydesdorff
The Normalization of Co-authorship Networks in the Bibliometric Evaluation: The Government Stimulation Programs of China and Korea. CoRR (2016)
Loet Leydesdorff, Lutz Bornmann, Caroline S. Wagner
Generating Clustered Journal Maps: An Automated System for Hierarchical Classification. CoRR (2016)
Andreas Thor, Werner Marx, Loet Leydesdorff, Lutz Bornmann
New features of CitedReferencesExplorer (CRExplorer). CoRR (2016)
Inga A. Ivanova, Øivind Strand, Loet Leydesdorff
What is the effect of synergy in international collaboration on regional economies? CoRR (2016)
Jordan A. Comins, Loet Leydesdorff
RPYS i/o: software demonstration of a web-based tool for the historiography and visualization of citation classics, sleeping beauties and research fronts. Scientometrics 107 (3) (2016)
Han Woo Park, Jungwon Yoon, Loet Leydesdorff
The normalization of co-authorship networks in the bibliometric evaluation: the government stimulation programs of China and Korea. Scientometrics 109 (2) (2016)

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Publication Activity (10 Years)

Top Topics

Top Venues

Loet Leydesdorff