Some social-psychological aspects of becoming a physicist. - Loet Leydesdorff; H. van Erkelens (Scientometrics, 1981)

The development of frames of references. - Loet Leydesdorff (Scientometrics, 1986)

Various methods for the mapping of science. - Loet Leydesdorff (Scientometrics, 1987)

Towards a theory of citation? - Loet Leydesdorff (Scientometrics, 1987)

Citations: Indicators of significance? - Olga Amsterdamska; Loet Leydesdorff (Scientometrics, 1989)

Teletraffic conferences: Studying a field of engineering science. - Eda Kranakis; Loet Leydesdorff (Scientometrics, 1989)

The science citation index and the measurement of national performance in terms of numbers of scientific publications. - Loet Leydesdorff (Scientometrics, 1989)

The relations between qualitative theory and scientometric methods in science and technology studies - Introduction to the topical issue. - Loet Leydesdorff (Scientometrics, 1989)

Relations among science indicators or more generally among anything one might wish to count about texts - I. The static model. - Loet Leydesdorff (Scientometrics, 1990)

Relations among science indicators or more generally among anything one might wish to count about texts - II. The dynamics of science. - Loet Leydesdorff (Scientometrics, 1990)

The prediction of science indicators using information theory. - Loet Leydesdorff (Scientometrics, 1990)

On the "scientometric decline" of British science. One additional graph in reply to Ben Martin. - Loet Leydesdorff (Scientometrics, 1991)

Irreversibilites in science and technology networks: An empirical and analytical approach. - Loet Leydesdorff (Scientometrics, 1992)

A validation study of "LEXIMAPPE". - Loet Leydesdorff (Scientometrics, 1992)

A reply to Courtial's comments. - Loet Leydesdorff (Scientometrics, 1992)

Research Performance in Artificial Intelligence and Robotics: An International Comparison. - Peter van den Besselaar; Loet Leydesdorff (AI Commun., 1993)

The delineation of specialties in terms of journals using the dynamic journal set of the SCI. - Loet Leydesdorff; Susan E. Cozzens (Scientometrics, 1993)

Book review. - Loet Leydesdorff (Scientometrics, 1994)

The generation of aggregated journal-journal citation maps on the basis of the CD-ROM version of the Science Citation Index. - Loet Leydesdorff (Scientometrics, 1994)

Crisis or critique? - Loet Leydesdorff; Paul Wouters (Scientometrics, 1994)

Has Price's dream come true: Is scientometrics a hard science? - Paul Wouters; Loet Leydesdorff (Scientometrics, 1994)

Mapping Change in Scientific Specialties: A Scientometric Reconstruction of the Development of Artificial Intelligence. - Peter van den Besselaar; Loet Leydesdorff (J. Am. Soc. Inf. Sci., 1996)

Why Words and Co-Words Cannot Map the Development of the Sciences. - Loet Leydesdorff (J. Am. Soc. Inf. Sci., 1997)

Scientometrics and communication theory: Towards theoretically informed indicators. - Loet Leydesdorff; Peter van den Besselaar (Scientometrics, 1997)

Introduction. - Paul Wouters; Loet Leydesdorff (Scientometrics, 1997)

Theories of citation? - Loet Leydesdorff (Scientometrics, 1998)

Between texts and contexts: Advances in theories of citation? (A rejoinder). - Loet Leydesdorff; Paul Wouters (Scientometrics, 1999)

Is the European Union Becoming a Single Publication System? - Loet Leydesdorff (Scientometrics, 2000)

Threaded Email Messages in Self-Organization and Science & Technology Studies Oriented Mailing Lists. - Andrés Zelman; Loet Leydesdorff (Scientometrics, 2000)

The self-organization of the European Information Society: The case of biotechnology. - Loet Leydesdorff; Gaston Heimeriks (J. Assoc. Inf. Sci. Technol., 2001)

Technology and Culture: the Dissemination and the Potential 'Lock-in' of New Technologies. - Loet Leydesdorff (J. Artif. Soc. Soc. Simul., 2001)

Why Catalonia cannot be considered as a regional innovation system. - Marta Riba Vilanova; Loet Leydesdorff (Scientometrics, 2001)

Dynamic and evolutionary updates of classificatory schemes in scientific journal structures. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2002)

Indicators of structural change in the dynamics of science: Entropy statistics of the SCI Journal Citation Reports. - Loet Leydesdorff (Scientometrics, 2002)

Empirical evidence of self-organization? A rejoinder. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2003)

Rejoinder to Van den Besselaar's letter entitled Descriptive statistics, inferential statistics, rhetorical statistics. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2003)

Can networks of journal-journal citations be used as indicators of change in the social sciences? - Loet Leydesdorff (J. Documentation, 2003)

The mutual information of university-industry-government relations: An indicator of the Triple Helix dynamics. - Loet Leydesdorff (Scientometrics, 2003)

The Triple Helix of university-industry-government relations. - Loet Leydesdorff; Martin Meyer 002 (Scientometrics, 2003)

Seismology as a dynamic, distributed area of scientific research. - Caroline S. Wagner; Loet Leydesdorff (Scientometrics, 2003)

Mapping the Chinese Science Citation Database. - Loet Leydesdorff; Jin Bihui (ASIST, 2004)

Internet time and the reliability of search engines. - Paul Wouters; Iina Hellsten; Loet Leydesdorff (First Monday, 2004)

The university-industry knowledge relationship: Analyzing patents and the science base of technologies. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2004)

Clusters and maps of science journals based on bi-connected graphs in Journal Citation Reports. - Loet Leydesdorff (J. Documentation, 2004)

Top-down decomposition of the Journal Citation Reportof the Social Science Citation Index: Graph- and factor-analytical approaches. - Loet Leydesdorff (Scientometrics, 2004)

Similarity measures, author cocitation analysis, and information theory. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2005)

Mapping the Chinese Science Citation Database in terms of aggregated journal-journal citation relations. - Loet Leydesdorff; Jin Bihui (J. Assoc. Inf. Sci. Technol., 2005)

Anticipatory Systems and the Processing of Meaning: a Simulation Study Inspired by Luhmann's Theory of Social Systems. - Loet Leydesdorff (J. Artif. Soc. Soc. Simul., 2005)

Walk-round. - Loet Leydesdorff; Virginia Trimnle; Peter Vinkler (Scientometrics, 2005)

Are the contributions of China and Korea upsetting the world system of science? - Loet Leydesdorff; Ping Zhou 001 (Scientometrics, 2005)

A comparison of the knowledge-based innovation systems in the economies of South Korea and the Netherlands using Triple Helix indicators. - Han Woo Park; Heung Deug Hong; Loet Leydesdorff (Scientometrics, 2005)

The Import and Export of Cognitive Science. - Robert L. Goldstone; Loet Leydesdorff (Cogn. Sci., 2006)

Can scientific journals be classified in terms of aggregated journal-journal citation relations using the Journal Citation Reports? - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2006)

Classification and powerlaws: The logarithmic transformation. - Loet Leydesdorff; Stephen J. Bensman (J. Assoc. Inf. Sci. Technol., 2006)

Co-occurrence matrices and their applications in information science: Extending ACA to the Web environment. - Loet Leydesdorff; Liwen Qiu Vaughan (J. Assoc. Inf. Sci. Technol., 2006)

The two faces of American power: Military and political communication during the Cuban missile crisis. - Michaël Deinema; Loet Leydesdorff (Kybernetes, 2006)

The biological metaphor of a second-order observer and the sociological discourse. - Loet Leydesdorff (Kybernetes, 2006)

Multiple presents: how search engines rewrite the past. - Iina Hellsten; Loet Leydesdorff; Paul Wouters (New Media Soc., 2006)

Measuring the meaning of words in contexts: An automated analysis of controversies about 'Monarch butterflies, ' 'Frankenfoods, ' and 'stem cells'. - Loet Leydesdorff; Iina Hellsten (Scientometrics, 2006)

Visualization of the citation impact environments of scientific journals: An online mapping exercise. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2007)

Betweenness centrality as an indicator of the interdisciplinarity of scientific journals. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2007)

Should co-occurrence data be normalized? A rejoinder. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2007)

A comparison between the China Scientific and Technical Papers and Citations Database and the Science Citation Index in terms of journal hierarchies and interjournal citation relations. - Ping Zhou 001; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2007)

Clustering methodologies for identifying country core competencies. - Ronald N. Kostoff; J. Antonio del Río; Héctor D. Cortés; Charles Smith; Andrew Smith; Caroline S. Wagner; Loet Leydesdorff; George Karypis; Guido Malpohl; Rene Tshiteya (J. Inf. Sci., 2007)

Mapping interdisciplinarity at the interfaces between the Science Citation Index and the Social Science Citation Index. - Loet Leydesdorff (Scientometrics, 2007)

The scientometrics of a Triple Helix of university-industry-government relations (Introduction to the topical issue). - Loet Leydesdorff; Martin Meyer 002 (Scientometrics, 2007)

Nanotechnology as a field of science: Its delineation in terms of journals and patents. - Loet Leydesdorff; Ping Zhou 001 (Scientometrics, 2007)

Knowledge emergence in scientific communication: from "fullerenes" to "nanotubes". - Diana Lucio-Arias; Loet Leydesdorff (Scientometrics, 2007)

The citation impacts and citation environments of Chinese journals in mathematics. - Ping Zhou 001; Loet Leydesdorff (Scientometrics, 2007)

Tracing "interdisciplinarity" using time series of journal maps: The visualization and dynamic animation of journal-journal citation relations. - Loet Leydesdorff (ASIST, 2008)

Configurational Information as Potentially Negative Entropy: The Triple Helix Model. - Loet Leydesdorff (Entropy, 2008)

On the normalization and visualization of author co-citation data: Salton's Cosine versus the Jaccard index. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2008)

Caveats for the use of citation indicators in research and journal evaluations. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2008)

Patent classifications as indicators of intellectual organization. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2008)

Dynamic animations of journal maps: Indicators of structural changes and interdisciplinary developments. - Loet Leydesdorff; Thomas Schank (J. Assoc. Inf. Sci. Technol., 2008)

Co-word analysis using the Chinese character set. - Loet Leydesdorff; Ping Zhou 001 (J. Assoc. Inf. Sci. Technol., 2008)

Main-path analysis and path-dependent transitions in HistCiteTM-based historiograms. - Diana Lucio-Arias; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2008)

International collaboration in science and the formation of a core group. - Loet Leydesdorff; Caroline S. Wagner (J. Informetrics, 2008)

The delineation of nanoscience and nanotechnology in terms of journals and patents: A most recent update. - Loet Leydesdorff (Scientometrics, 2008)

Korean journals in the Science Citation Index: What do they reveal about the intellectual structure of S&T in Korea? - Han Woo Park; Loet Leydesdorff (Scientometrics, 2008)

Retrieval of very large numbers of items in the Web of Science: an exercise to develop accurate search strategies - Ricardo Arencibia Jorge; Loet Leydesdorff; Zaida Chinchilla-Rodríguez; Ronald Rousseau 001; Soren W. Paris (CoRR, 2009)

The relation between Pearson's correlation coefficient r and Salton's cosine measure - Leo Egghe; Loet Leydesdorff (CoRR, 2009)

Knowledge linkage structures in communication studies using citation analysis among communication journals - Han Park; Loet Leydesdorff (CoRR, 2009)

Caveats for the Use of Citation Indicators in Research and Journal Evaluations - Loet Leydesdorff (CoRR, 2009)

On the Normalization and Visualization of Author Co-Citation Data Salton's Cosine versus the Jaccard Index - Loet Leydesdorff (CoRR, 2009)

Main-path analysis and path-dependent transitions in HistCite(TM)-based historiograms - Diana Lucio-Arias; Loet Leydesdorff (CoRR, 2009)

Journals as constituents of scientific discourse: economic heterodoxy - Wilfred Dolfsma; Loet Leydesdorff (CoRR, 2009)

Citation Environment of Angewandte Chemie - Lutz Bornmann; Loet Leydesdorff; Werner Marx (CoRR, 2009)

A Comparison between the China Scientific and Technical Papers and Citations Database and the Science Citation Index in terms of journal hierarchies and inter-journal citation relations - Ping Zhou 001; Loet Leydesdorff (CoRR, 2009)

Indicators of Structural Change in the Dynamics of Science: Entropy Statistics of the SCI Journal Citation Reports - Loet Leydesdorff (CoRR, 2009)

Environment and Planning B as a Journal: The interdisciplinarity of its environment and the citation impact - Loet Leydesdorff (CoRR, 2009)

Can Scientific Journals be Classified in terms of Aggregated Journal-Journal Citation Relations using the Journal Citation Reports? - Loet Leydesdorff (CoRR, 2009)

Multiple Presents: How Search Engines Re-write the Past - Iina Hellsten; Loet Leydesdorff; Paul Wouters (CoRR, 2009)

Giddens' "structuration," Luhmann's "self-organization," and the operationalization of the dynamics of meaning - Loet Leydesdorff (CoRR, 2009)

Scientometrics and the evaluation of European integration - Koen Frenken; Loet Leydesdorff (CoRR, 2009)

Communication of Science Shop Mediation: A Kaleidoscope of University-Society Relations - Loet Leydesdorff; Janelle Ward (CoRR, 2009)

The Construction and Globalization of the Knowledge Base in Inter-human Communication Systems - Loet Leydesdorff (CoRR, 2009)

Measuring the Knowledge Base: A Program of Innovation Studies - Loet Leydesdorff; Andrea Scharnhorst (CoRR, 2009)

'Interaction' versus 'action' in Luhmann's sociology of communication - Loet Leydesdorff (CoRR, 2009)

A study of seismology as a dynamic, distributed area of scientific research - Caroline S. Wagner; Loet Leydesdorff (CoRR, 2009)

Communication and Knowledge: How is the knowledge base of an economy constructed? - Loet Leydesdorff (CoRR, 2009)

Maps on the basis of the Arts & Humanities Citation Index: The journals Leonardo and Art Journal versus "Digital Humanities" as a topic - Loet Leydesdorff; Alkim Almila Akdag Salah (CoRR, 2009)

Interaction information: linear and nonlinear interpretations. - Loet Leydesdorff (Int. J. Gen. Syst., 2009)

Definition and identification of journals as bibliographic and subject entities: Librarianship versus ISI Journal Citation Reports methods and their effect on citation measures. - Stephen J. Bensman; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2009)

The relation between Pearson's correlation coefficient r and Salton's cosine measure. - Leo Egghe; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2009)

How are new citation-based journal indicators adding to the bibliometric toolbox? - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2009)

The delineation of an interdisciplinary specialty in terms of a journal set: The case of communication studies. - Loet Leydesdorff; Carole Probst (J. Assoc. Inf. Sci. Technol., 2009)

A global map of science based on the ISI subject categories. - Loet Leydesdorff; Ismael Ràfols (J. Assoc. Inf. Sci. Technol., 2009)

National and international dimensions of the Triple Helix in Japan: University-industry-government versus international coauthorship relations. - Loet Leydesdorff; Yuan Sun (J. Assoc. Inf. Sci. Technol., 2009)

An indicator of research front activity: Measuring intellectual organization as uncertainty reduction in document sets. - Diana Lucio-Arias; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2009)

Content-based and algorithmic classifications of journals: Perspectives on the dynamics of scientific communication and indexer effects. - Ismael Ràfols; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2009)

Macro-level indicators of the relations between research funding and research output. - Loet Leydesdorff; Caroline S. Wagner (J. Informetrics, 2009)

The dynamics of exchanges and references among scientific texts, and the autopoiesis of discursive knowledge. - Diana Lucio-Arias; Loet Leydesdorff (J. Informetrics, 2009)

Is the United States losing ground in science? A global perspective on the world science system. - Loet Leydesdorff; Caroline S. Wagner (Scientometrics, 2009)

Knowledge linkage structures in communication studies using citation analysis among communication journals. - Han Woo Park; Loet Leydesdorff (Scientometrics, 2009)

The knowledge-based economy and the triple helix model. - Loet Leydesdorff (Annu. Rev. Inf. Sci. Technol., 2010)

Knowledge-Based Innovation Systems and the Model of a Triple Helix of University-Industry-Government Relations - Loet Leydesdorff (CoRR, 2010)

Quality Control and Validation Boundaries in a Triple Helix of University-Industry-Government: 'Mode 2' and the Future of University Research - Yuko Fujigaki; Loet Leydesdorff (CoRR, 2010)

Distributed scientific communication in the European information society: Some cases of "Mode 2" fields of research - Gaston Heimeriks; Loet Leydesdorff; Peter van den Besselaar (CoRR, 2010)

Implicit media frames: Automated analysis of public debate on artificial sweeteners - Iina Hellsten; James Dawson; Loet Leydesdorff (CoRR, 2010)

The Citation Field of Evolutionary Economics - Wilfred Dolfsma; Loet Leydesdorff (CoRR, 2010)

What Can Heterogeneity Add to the Scientometric Map? Steps towards algorithmic historiography - Loet Leydesdorff (CoRR, 2010)

The Production of Probabilistic Entropy in Structure/Action Contingency Relations - Loet Leydesdorff (CoRR, 2010)

Eugene Garfield and Algorithmic Historiography: Co-Words, Co-Authors, and Journal Names - Loet Leydesdorff (CoRR, 2010)

Scopus' SNIP Indicator - Loet Leydesdorff; Tobias Opthof (CoRR, 2010)

How fractional counting affects the Impact Factor: Steps towards field-independent classifications of scholarly journals and literature - Loet Leydesdorff; Lutz Bornmann (CoRR, 2010)

The Development of the Journal Environment of Leonardo - Alkim Almila Akdag Salah; Loet Leydesdorff (CoRR, 2010)

How Do Emerging Technologies Conquer the World? An Exploration of Patterns of Diffusion and Network Formation - Loet Leydesdorff; Ismael Ràfols (CoRR, 2010)

"Meaning" as a sociological concept: A review of the modeling, mapping, and simulation of the communication of knowledge and meaning - Loet Leydesdorff (CoRR, 2010)

Fractional counting of citations in research evaluation: An option for cross- and interdisciplinary assessments - Ping Zhou 001; Loet Leydesdorff (CoRR, 2010)

What the Cited and Citing Environments Reveal of "Advances in Atmospheric Sciences"? - Shi Aolan; Loet Leydesdorff (CoRR, 2010)

Redundancy in Systems Which Entertain a Model of Themselves: Interaction Information and the Self-Organization of Anticipation. - Loet Leydesdorff (Entropy, 2010)

The communication of meaning and the structuration of expectations: Giddens' "structuration theory" and Luhmann's "self-organization". - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2010)

Journal maps on the basis of Scopus data: A comparison with the Journal Citation Reports of the ISI. - Loet Leydesdorff; Félix de Moya-Anegón; Vicente P. Guerrero-Bote (J. Assoc. Inf. Sci. Technol., 2010)

Scopus's source normalized impact per paper (SNIP) versus a journal impact factor based on fractional counting of citations. - Loet Leydesdorff; Tobias Opthof (J. Assoc. Inf. Sci. Technol., 2010)

Mapping the geography of science: Distribution patterns and networks of relations among cities and institutes. - Loet Leydesdorff; Olle Persson (J. Assoc. Inf. Sci. Technol., 2010)

Maps on the basis of the Arts & Humanities Citation Index: The journals Leonardo and Art Journal versus "digital humanities" as a topic. - Loet Leydesdorff; Alkim Almila Akdag Salah (J. Assoc. Inf. Sci. Technol., 2010)

Science overlay maps: A new tool for research policy and library management. - Ismael Ràfols; Alan L. Porter; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2010)

A comparative study on communication structures of Chinese journals in the social sciences. - Ping Zhou 001; Xinning Su; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2010)

A meta-evaluation of scientific research proposals: Different ways of comparing rejected to awarded applications. - Lutz Bornmann; Loet Leydesdorff; Peter van den Besselaar (J. Informetrics, 2010)

Normalization at the field level: Fractional counting of citations. - Loet Leydesdorff; Tobias Opthof (J. Informetrics, 2010)

Caveats for the journal and field normalizations in the CWTS ("Leiden") evaluations of research performance. - Tobias Opthof; Loet Leydesdorff (J. Informetrics, 2010)

The decline of university patenting and the end of the Bayh-Dole effect. - Loet Leydesdorff; Martin Meyer 002 (Scientometrics, 2010)

The triple helix perspective of innovation systems. - Loet Leydesdorff; Girma Zawdie (Technol. Anal. Strateg. Manag., 2010)

Normalizing the measurement of citation performance: Principles for comparing sets of documents - Loet Leydesdorff; Lutz Bornmann; Rüdiger Mutz; Tobias Opthof (CoRR, 2011)

The structure of the Arts & Humanities Citation Index: A mapping on the basis of aggregated citations among 1,157 journals - Loet Leydesdorff; Björn Hammarfelt; Alkim Almila Akdag Salah (CoRR, 2011)

Non-consistency, non-cited items, and the impact factor: A consequence of the arithmetic - Ronald Rousseau 001; Loet Leydesdorff (CoRR, 2011)

Citation analysis cannot legitimate the strategic selection of excellence - Tobias Opthof; Loet Leydesdorff (CoRR, 2011)

Which cities produce excellent papers worldwide more than can be expected? A new mapping approach–using Google Maps–based on statistical significance testing - Lutz Bornmann; Loet Leydesdorff (CoRR, 2011)

Integrated Impact Indicators (I3) compared with Impact Factors (IFs): An alternative research design with policy implications - Loet Leydesdorff; Lutz Bornmann (CoRR, 2011)

How journal rankings can suppress interdisciplinarity. The case of innovation studies in business and management - Ismael Ràfols; Loet Leydesdorff; Alice O'Hare; Paul Nightingale; Andy Stirling (CoRR, 2011)

Book review: Katy Börner, Atlas of Science: Visualizing What We Know. Cambridge, MA/ London UK: The MIT Press, 2010 - Loet Leydesdorff (CoRR, 2011)

Hyperincursive Cogitata and Incursive Cogitantes: Scholarly Discourse as a Strongly Anticipatory System - Loet Leydesdorff (CoRR, 2011)

Which cities' paper output and citation impact are above expectation in information science? Some improvements of our previous mapping approaches. - Lutz Bornmann; Loet Leydesdorff (CoRR, 2011)

World Shares of Publications of the USA, EU-27, and China Compared and Predicted using the New Interface of the Web-of-Science versus Scopus. - Loet Leydesdorff (CoRR, 2011)

The Disclosure of University Research for Societal Demand: A Non-Market Perspective on the "Third Mission" - Michelina Venditti; Emanuela Reale; Loet Leydesdorff (CoRR, 2011)

Percentile Ranks and the Integrated Impact Indicator (I3) - Loet Leydesdorff; Lutz Bornmann (CoRR, 2011)

Visualization and Analysis of Frames in Collections of Messages: Content Analysis and the Measurement of Meaning - Esther Vlieger; Loet Leydesdorff (CoRR, 2011)

Which cities produce more excellent papers than can be expected? A new mapping approach, using Google Maps, based on statistical significance testing. - Lutz Bornmann; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2011)

How fractional counting of citations affects the impact factor: Normalization in terms of differences in citation potentials among fields of science. - Loet Leydesdorff; Lutz Bornmann (J. Assoc. Inf. Sci. Technol., 2011)

Integrated impact indicators compared with impact factors: An alternative research design with policy implications. - Loet Leydesdorff; Lutz Bornmann (J. Assoc. Inf. Sci. Technol., 2011)

Turning the tables on citation analysis one more time: Principles for comparing sets of documents. - Loet Leydesdorff; Lutz Bornmann; Rüdiger Mutz; Tobias Opthof (J. Assoc. Inf. Sci. Technol., 2011)

The structure of the Arts & Humanities Citation Index: A mapping on the basis of aggregated citations among 1, 157 journals. - Loet Leydesdorff; Björn Hammarfelt; Almila Akdag Salah (J. Assoc. Inf. Sci. Technol., 2011)

Scopus' SNIP indicator: Reply to Moed. - Loet Leydesdorff; Tobias Opthof (J. Assoc. Inf. Sci. Technol., 2011)

Local emergence and global diffusion of research technologies: An exploration of patterns of network formation. - Loet Leydesdorff; Ismael Ràfols (J. Assoc. Inf. Sci. Technol., 2011)

How to evaluate universities in terms of their relative citation impacts: Fractional counting of citations and the normalization of differences among disciplines. - Loet Leydesdorff; Jung C. Shin (J. Assoc. Inf. Sci. Technol., 2011)

Mapping excellence in the geography of science: An approach based on Scopus data. - Lutz Bornmann; Loet Leydesdorff; Christiane Walch-Solimena; Christoph Ettl (J. Informetrics, 2011)

Remaining problems with the "New Crown Indicator" (MNCS) of the CWTS. - Loet Leydesdorff; Tobias Opthof (J. Informetrics, 2011)

Indicators of the interdisciplinarity of journals: Diversity, centrality, and citations. - Loet Leydesdorff; Ismael Ràfols (J. Informetrics, 2011)

The semantic mapping of words and co-words in contexts. - Loet Leydesdorff; Kasper Welbers (J. Informetrics, 2011)

Fractional counting of citations in research evaluation: A cross- and interdisciplinary assessment of the Tsinghua University in Beijing. - Ping Zhou 001; Loet Leydesdorff (J. Informetrics, 2011)

"Structuration" by intellectual organization: the configuration of knowledge in relations among structural components in networks of science. - Loet Leydesdorff (Scientometrics, 2011)

Katy Börner: Atlas of science: visualizing what we know - The MIT Press, Cambridge, MA/London, UK, 2010, US$20. - Loet Leydesdorff (Scientometrics, 2011)

A comment to the paper by Waltman et al., Scientometrics, 87, 467-481, 2011. - Tobias Opthof; Loet Leydesdorff (Scientometrics, 2011)

"Books" and "book chapters" in the book citation index (BKCI) and science citation index (SCI, SoSCI, A&HCI). - Loet Leydesdorff; Ulrike Felt (ASIST, 2012)

Information visualization state of the art and future directions. - Stasa Milojevic; Bradley M. Hemminger; Jason Priem; Chaomei Chen; Loet Leydesdorff; Scott B. Weingart (ASIST, 2012)

Bibliometric Perspectives on Medical Innovation using the Medical Subject Headings (MeSH) of PubMed - Loet Leydesdorff; Daniele Rotolo; Ismael Ràfols (CoRR, 2012)

Edited Volumes, Monographs, and Chapters in the Book Citation Index (BKCI) and Science Citation Index (SCI, SoSCI, A&HCI). - Loet Leydesdorff; Ulrike Felt (CoRR, 2012)

How Can Journal Impact Factors be - Loet Leydesdorff; Ping Zhou 001; Lutz Bornmann (CoRR, 2012)

Citation impact of papers published from six prolific countries: A national comparison based on InCites data - Lutz Bornmann; Loet Leydesdorff (CoRR, 2012)

An Integrated Impact Indicator (I3): A New Definition of "Impact" with Policy Relevance - Caroline S. Wagner; Loet Leydesdorff (CoRR, 2012)

Advances in Science Visualization: Social Networks, Semantic Maps, and Discursive Knowledge - Loet Leydesdorff (CoRR, 2012)

Scientometrics - Loet Leydesdorff; Stasa Milojevic (CoRR, 2012)

Interactive Overlay Maps for US Patent (USPTO) Data Based on International Patent Classifications (IPC) - Loet Leydesdorff; Duncan Kushnir; Ismael Ràfols (CoRR, 2012)

Field-normalized Impact Factors: A Comparison of Rescaling versus Fractionally Counted IFs - Loet Leydesdorff; Filippo Radicchi; Lutz Bornmann; Claudio Castellano; Wouter de Nooy (CoRR, 2012)

Rotational Symmetry and the Transformation of Innovation Systems in a Triple Helix of University-Industry-Government Relations - Inga A. Ivanova; Loet Leydesdorff (CoRR, 2012)

Interdisciplinarity at the Journal and Specialty Level: The changing knowledge bases of the journal Cognitive Science - Loet Leydesdorff; Robert L. Goldstone (CoRR, 2012)

Accounting for the uncertainty in the evaluation of percentile ranks. - Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2012)

Mapping (USPTO) patent data using overlays to Google Maps. - Loet Leydesdorff; Lutz Bornmann (J. Assoc. Inf. Sci. Technol., 2012)

Percentile ranks and the integrated impact indicator (I3). - Loet Leydesdorff; Lutz Bornmann (J. Assoc. Inf. Sci. Technol., 2012)

Bibliometric perspectives on medical innovation using the medical subject Headings of PubMed. - Loet Leydesdorff; Daniele Rotolo; Ismael Ràfols (J. Assoc. Inf. Sci. Technol., 2012)

Publish or patent: Bibliometric evidence for empirical trade-offs in national funding strategies. - Robert D. Shelton; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2012)

Betweenness centrality as a driver of preferential attachment in the evolution of research collaboration networks. - Alireza Abbasi; Liaquat Hossain; Loet Leydesdorff (J. Informetrics, 2012)

The new Excellence Indicator in the World Report of the SCImago Institutions Rankings 2011. - Lutz Bornmann; Félix de Moya-Anegón; Loet Leydesdorff (J. Informetrics, 2012)

Which are the best performing regions in information science in terms of highly cited papers? Some improvements of our previous mapping approaches. - Lutz Bornmann; Loet Leydesdorff (J. Informetrics, 2012)

McCall's area transformation versus the integrated impact indicator (I3). - Loet Leydesdorff (J. Informetrics, 2012)

Interactive overlays: A new method for generating global journal maps from Web-of-Science data. - Loet Leydesdorff; Ismael Ràfols (J. Informetrics, 2012)

Edited Volumes, Monographs and Book Chapters in the Book Citation Index (BKCI) and Science Citation Index (SCI, Sosci, A&HCI). - Loet Leydesdorff; Ulrike Felt (J. Sci. Res., 2012)

The World of Science According to Performance Indicators Based on Percentile Ranking Normalization. - Gangan Prathap; Loet Leydesdorff (J. Sci. Res., 2012)

Has globalization strengthened South Korea's national research system? National and international dynamics of the Triple Helix of scientific co-authorship relationships in South Korea. - Ki-Seok Kwon; Han Woo Park; Minho So; Loet Leydesdorff (Scientometrics, 2012)

Alternatives to the journal impact factor: I3 and the top-10% (or top-25%?) of the most-highly cited papers. - Loet Leydesdorff (Scientometrics, 2012)

Testing differences statistically with the Leiden ranking. - Loet Leydesdorff; Lutz Bornmann (Scientometrics, 2012)

A rejoinder on energy versus impact indicators. - Loet Leydesdorff; Tobias Opthof (Scientometrics, 2012)

Emerging search regimes: measuring co-evolutions among research, science, and society. - Gaston Heimeriks; Loet Leydesdorff (Technol. Anal. Strateg. Manag., 2012)

Which percentile-based approach should be preferred for calculating normalized citation impact values? An empirical comparison of five approaches including a newly developed one (P100). - Lutz Bornmann; Loet Leydesdorff; Jian Wang 002 (CoRR, 2013)

Redundancy Generation in University-Industry-Government Relations: The Triple Helix Modeled, Measured, and Simulated. - Inga A. Ivanova; Loet Leydesdorff (CoRR, 2013)

Elsevier's Scopus has a revised SNIP indicator for journal ranking. - Loet Leydesdorff (CoRR, 2013)

The historical roots of iMetrics: Referenced Publication Years Spectroscopy (RPYS) routinized and applied to Scientometrics, Journal of Informetrics, and (a subset of) JASIST. - Loet Leydesdorff; Lutz Bornmann; Werner Marx; Stasa Milojevic (CoRR, 2013)

International Collaboration in Science: The Global Map and the Network - Loet Leydesdorff; Caroline S. Wagner; Han Woo Park; Jonathan Adams 001 (CoRR, 2013)

USPTO Patent Maps in Central Europe: Can "Cathedrals" be Built on the Ruins of Socialism? - Balázs Lengyel; Tamás Sebestyén; Loet Leydesdorff (CoRR, 2013)

Mutual Redundancies in Inter-human Communication Systems: Steps Towards a Calculus of Processing Meaning - Loet Leydesdorff; Inga A. Ivanova (CoRR, 2013)

Technology Transfer and the End of the Bayh-Dole Effect: Patents as an Analytical Lens on University-Industry-Government Relations - Loet Leydesdorff; Martin Meyer 002 (CoRR, 2013)

Group-Based Trajectory Modeling of Citations in Scholarly Literature: Dynamic Qualities of "Transient" and "Sticky Knowledge Claims" - Susanne E. Baumgartner; Loet Leydesdorff (CoRR, 2013)

Mapping the De Facto Governance of Emerging Science and Technologies - Daniele Rotolo; Ismael Ràfols; Michael M. Hopkins; Loet Leydesdorff (CoRR, 2013)

International Co-authorship Relations in the Social Science Citation Index: Is Internationalization Leading the Network? - Loet Leydesdorff; Han Woo Park; Caroline S. Wagner (CoRR, 2013)

Statistical tests and research assessments: A comment on Schneider (2012). - Lutz Bornmann; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2013)

Citation analysis with medical subject Headings (MeSH) using the Web of Knowledge: A new routine. - Loet Leydesdorff; Tobias Opthof (J. Assoc. Inf. Sci. Technol., 2013)

Field-normalized impact factors (IFs): A comparison of rescaling and fractionally counted IFs. - Loet Leydesdorff; Filippo Radicchi; Lutz Bornmann; Claudio Castellano; Wouter de Nooy (J. Assoc. Inf. Sci. Technol., 2013)

Interactive overlays of journals and the measurement of interdisciplinarity on the basis of aggregated journal-journal citations. - Loet Leydesdorff; Ismael Ràfols; Chaomei Chen (J. Assoc. Inf. Sci. Technol., 2013)

The Swedish system of innovation: Regional synergies in a knowledge-based economy. - Loet Leydesdorff; Øivind Strand (J. Assoc. Inf. Sci. Technol., 2013)

How can journal impact factors be normalized across fields of science? An assessment in terms of percentile ranks and fractional counts. - Loet Leydesdorff; Ping Zhou 001; Lutz Bornmann (J. Assoc. Inf. Sci. Technol., 2013)

The Triple Helix of university-industry-government relations at the country level and its dynamic evolution under the pressures of globalization. - Fred Y. Ye; Susan S. Yu; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2013)

The validation of (advanced) bibliometric indicators through peer assessments: A comparative study using data from InCites and F1000. - Lutz Bornmann; Loet Leydesdorff (J. Informetrics, 2013)

The use of percentiles and percentile rank classes in the analysis of bibliometric data: Opportunities and limits. - Lutz Bornmann; Loet Leydesdorff; Rüdiger Mutz (J. Informetrics, 2013)

Which percentile-based approach should be preferred for calculating normalized citation impact values? An empirical comparison of five approaches including a newly developed citation-rank approach (P100). - Lutz Bornmann; Loet Leydesdorff; Jian Wang 002 (J. Informetrics, 2013)

Does the specification of uncertainty hurt the progress of scientometrics? - Loet Leydesdorff (J. Informetrics, 2013)

The revised SNIP indicator of Elsevier's Scopus. - Loet Leydesdorff (J. Informetrics, 2013)

Decomposing social and semantic networks in emerging "big data" research. - Han Woo Park; Loet Leydesdorff (J. Informetrics, 2013)

A bird's-eye view of scientific trading: Dependency relations among fields of science. - Erjia Yan; Ying Ding 001; Blaise Cronin; Loet Leydesdorff (J. Informetrics, 2013)

An evaluation of impacts in "Nanoscience & nanotechnology": steps towards standards for citation analysis. - Loet Leydesdorff (Scientometrics, 2013)

Statistics for the dynamic analysis of scientometric data: the evolution of the sciences in terms of trajectories and regimes. - Loet Leydesdorff (Scientometrics, 2013)

Global maps of science based on the new Web-of-Science categories. - Loet Leydesdorff; Stephen Carley; Ismael Ràfols (Scientometrics, 2013)

A reply to Etzkowitz' comments to Leydesdorff and Martin (2010): technology transfer and the end of the Bayh-Dole effect. - Loet Leydesdorff; Martin Meyer 002 (Scientometrics, 2013)

Information metrics (iMetrics): a research specialty with a socio-cognitive identity? - Stasa Milojevic; Loet Leydesdorff (Scientometrics, 2013)

Innovation as a nonlinear process, the scientometric perspective, and the specification of an 'innovation opportunities explorer'. - Loet Leydesdorff; Daniele Rotolo; Wouter de Nooy (Technol. Anal. Strateg. Manag., 2013)

Synergy cycles in the Norwegian innovation system: The relation between synergy and cycle values. - Inga A. Ivanova; Øivind Strand; Loet Leydesdorff (CoRR, 2014)

Information, Meaning, and Intellectual Organization in Networks of Inter-Human Communication. - Loet Leydesdorff (CoRR, 2014)

Can Technology Life-Cycles Be Indicated by Diversity in Patent Classifications? - Loet Leydesdorff (CoRR, 2014)

Geographic and Technological Perspectives on "Photovoltaic Cells: " Patents as Instruments for Exploring Innovation Dynamics. - Loet Leydesdorff; Floortje Alkemade; Gaston Heimeriks; Rinke Hoekstra (CoRR, 2014)

The Generation of Large Networks from Web-of-Science Data. - Loet Leydesdorff; Gohar Feroz Khan; Lutz Bornmann (CoRR, 2014)

The "Tournaments" Metaphor in Citation Impact Studies: Power-Weakness Ratios (PWR) as a Journal Indicator. - Loet Leydesdorff; Wouter de Nooy; Lutz Bornmann; Gangan Prathap (CoRR, 2014)

Can Synergy in Triple-Helix Relations be Quantified? A Review of the Development of the Triple-Helix Indicator. - Loet Leydesdorff; Han Woo Park (CoRR, 2014)

Matching MEDLINE/PubMed Data with Web of Science (WoS): A Routine in R-language. - Daniele Rotolo; Loet Leydesdorff (CoRR, 2014)

Recent Developments in China-U.S. Science Cooperation. - Caroline S. Wagner; Loet Leydesdorff; Lutz Bornmann (CoRR, 2014)

Group-based trajectory modeling (GBTM) of citations in scholarly literature: Dynamic qualities of "transient" and "sticky knowledge claims". - Susanne E. Baumgartner; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2014)

Patterns of connections and movements in dual-map overlays: A new method of publication portfolio analysis. - Chaomei Chen; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2014)

In search of a network theory of innovations: Relations, positions, and perspectives. - Loet Leydesdorff; Petra Ahrweiler (J. Assoc. Inf. Sci. Technol., 2014)

Interdisciplinarity at the journal and specialty level: The changing knowledge bases of the journal cognitive science. - Loet Leydesdorff; Robert L. Goldstone (J. Assoc. Inf. Sci. Technol., 2014)

Mutual redundancies in interhuman communication systems: Steps toward a calculus of processing meaning. - Loet Leydesdorff; Inga A. Ivanova (J. Assoc. Inf. Sci. Technol., 2014)

International coauthorship relations in the Social Sciences Citation Index: Is internationalization leading the Network? - Loet Leydesdorff; Han Woo Park; Caroline S. Wagner (J. Assoc. Inf. Sci. Technol., 2014)

Detecting the historical roots of research fields by reference publication year spectroscopy (RPYS). - Werner Marx; Lutz Bornmann; Andreas Barth 001; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2014)

The "academic trace" of the performance matrix: A mathematical synthesis of the h-index and the integrated impact indicator (I3). - Fred Y. Ye; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2014)

Correction. - Peter van den Besselaar; Lutz Bornmann; Loet Leydesdorff (J. Informetrics, 2014)

On the meaningful and non-meaningful use of reference sets in bibliometrics. - Lutz Bornmann; Loet Leydesdorff (J. Informetrics, 2014)

How to improve the prediction based on citation impact percentiles for years shortly after the publication date? - Lutz Bornmann; Loet Leydesdorff; Jian Wang 002 (J. Informetrics, 2014)

Referenced Publication Years Spectroscopy applied to iMetrics: Scientometrics, Journal of Informetrics, and a relevant subset of JASIST. - Loet Leydesdorff; Lutz Bornmann; Werner Marx; Stasa Milojevic (J. Informetrics, 2014)

The European Union, China, and the United States in the top-1% and top-10% layers of most-frequently cited publications: Competition and collaborations. - Loet Leydesdorff; Caroline S. Wagner; Lutz Bornmann (J. Informetrics, 2014)

The communication of expectations and individual understanding: Redundancy as reduction of uncertainty, and the processing of meaning. - Loet Leydesdorff; Mark William Johnson; Inga A. Ivanova (Kybernetes, 2014)

International collaboration clusters in Africa. - Jonathan Adams 001; Karen Gurney; Daniel W. Hook; Loet Leydesdorff (Scientometrics, 2014)

A simulation model of the Triple Helix of university-industry-government relations and the decomposition of the redundancy. - Inga A. Ivanova; Loet Leydesdorff (Scientometrics, 2014)

Interactive overlay maps for US patent (USPTO) data based on International Patent Classification (IPC). - Loet Leydesdorff; Duncan Kushnir; Ismael Ràfols (Scientometrics, 2014)

A routine for measuring synergy in university-industry-government relations: mutual information as a Triple-Helix and Quadruple-Helix indicator. - Loet Leydesdorff; Han Woo Park; Balázs Lengyel (Scientometrics, 2014)

Measuring the knowledge-based economy of China in terms of synergy among technological, organizational, and geographic attributes of firms. - Loet Leydesdorff; Ping Zhou 001 (Scientometrics, 2014)

The dynamics of journal-journal citation relations: Can "hot spots" in the sciences be mapped? - Loet Leydesdorff (ASIST, 2015)

SciELO Citation Index and Web of Science: Distinctions in the Visibility of Regional. - Diana Lucio-Arias; Gabriel Velez-Cuartas; Loet Leydesdorff (ISSI, 2015)

An International Comparison of the Citation Impact of Chinese Journals with Priority Funding. - Ping Zhou 001; Loet Leydesdorff (ISSI, 2015)

Knowledge-generating Efficiency in Innovation Systems: The relation between structural and temporal effects. - Inga A. Ivanova; Loet Leydesdorff (CoRR, 2015)

Can "Hot Spots" in the Sciences Be Mapped Using the Dynamics of Aggregated Journal-Journal Citation Relations? - Loet Leydesdorff (CoRR, 2015)

Bibliometrics/Citation networks. - Loet Leydesdorff (CoRR, 2015)

Can the Intellectual Processes in Science Also Be Simulated? The Anticipation and Visualization of Possible Future States. - Loet Leydesdorff (CoRR, 2015)

Scientometrics and Science Studies: From Words and Co-Words to Information and Probabilistic Entropy. - Loet Leydesdorff (CoRR, 2015)

The Globalization of Academic Entrepreneurship? The Recent Growth (2009-2014) in University Patenting Decomposed. - Loet Leydesdorff; Henry Etzkowitz; Duncan Kushnir (CoRR, 2015)

Co-word Maps and Topic Modeling: A Comparison from a User's Perspective. - Loet Leydesdorff; Adina Nerghes (CoRR, 2015)

The Self-Organization of Meaning and the Reflexive Communication of Information. - Loet Leydesdorff; Alexander M. Petersen 001; Inga A. Ivanova (CoRR, 2015)

The Interaction of 'Supply', 'Demand', and 'Technological Capabilities' in terms of Medical Subject Headings: A Triple Helix Model of Medical Innovation. - Alexander M. Petersen 001; Daniele Rotolo; Loet Leydesdorff (CoRR, 2015)

Regional and Global Science: Latin American and Caribbean publications in the SciELO Citation Index and the Web of Science. - Gabriel Velez-Cuartas; Diana Lucio-Arias; Loet Leydesdorff (CoRR, 2015)

The Normalization of Occurrence and Co-occurrence Matrices in Bibliometrics using Cosine Similarities and Ochiai Coefficients. - Qiuju Zhou; Loet Leydesdorff (CoRR, 2015)

A review of theory and practice in scientometrics. - John Mingers; Loet Leydesdorff (Eur. J. Oper. Res., 2015)

BRICS countries and scientific excellence: A bibliometric analysis of most frequently cited papers. - Lutz Bornmann; Caroline S. Wagner; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2015)

Journal maps, interactive overlays, and the measurement of interdisciplinarity on the basis of Scopus data (1996-2012). - Loet Leydesdorff; Félix de Moya-Anegón; Vicente P. Guerrero-Bote (J. Assoc. Inf. Sci. Technol., 2015)

Measuring triple-helix synergy in the Russian innovation systems at regional, provincial, and national levels. - Loet Leydesdorff; Evgeniy Perevodchikov; Alexander Uvarov (J. Assoc. Inf. Sci. Technol., 2015)

Matching Medline/PubMed data with Web of Science: A routine in R language. - Daniele Rotolo; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2015)

Does quality and content matter for citedness? A comparison with para-textual factors and over time. - Lutz Bornmann; Loet Leydesdorff (J. Informetrics, 2015)

The dynamics of triads in aggregated journal-journal citation relations: Specialty developments at the above-journal level. - Wouter de Nooy; Loet Leydesdorff (J. Informetrics, 2015)

Identifying research fields within business and management: a journal cross-citation analysis. - John Mingers; Loet Leydesdorff (J. Oper. Res. Soc., 2015)

Networks of reader and country status: an analysis of Mendeley reader statistics. - Robin Haunschild; Lutz Bornmann; Loet Leydesdorff (PeerJ Comput. Sci., 2015)

Topical connections between the institutions within an organisation (institutional co-authorships, direct citation links and co-citations). - Lutz Bornmann; Loet Leydesdorff (Scientometrics, 2015)

How have the Eastern European countries of the former Warsaw Pact developed since 1990? A bibliometric study. - Marcin Kozak; Lutz Bornmann; Loet Leydesdorff (Scientometrics, 2015)

Can technology life-cycles be indicated by diversity in patent classifications? The crucial role of variety. - Loet Leydesdorff (Scientometrics, 2015)

Can intellectual processes in the sciences also be simulated? The anticipation and visualization of possible future states. - Loet Leydesdorff (Scientometrics, 2015)

Patents as instruments for exploring innovation dynamics: geographic and technological perspectives on "photovoltaic cells". - Loet Leydesdorff; Floortje Alkemade; Gaston Heimeriks; Rinke Hoekstra (Scientometrics, 2015)

Identification of long-term concept-symbols among citations: Can documents be clustered in terms of common intellectual histories? - Jordan A. Comins; Loet Leydesdorff (CoRR, 2016)

RPYS i/o: A web-based tool for the historiography and visualization of citation classics, sleeping beauties, and research fronts. - Jordan A. Comins; Loet Leydesdorff (CoRR, 2016)

Economic and Technological Complexity: A Model Study of Indicators of Knowledge-based Innovation Systems. - Inga A. Ivanova; Øivind Strand; Duncan Kushnir; Loet Leydesdorff (CoRR, 2016)

What is the effect of synergy in international collaboration on regional economies? - Inga A. Ivanova; Øivind Strand; Loet Leydesdorff (CoRR, 2016)

Patent Portfolio Analysis of Cities: Statistics and Maps of Technological Inventiveness. - Dieter Franz Kogler; Gaston Heimeriks; Loet Leydesdorff (CoRR, 2016)

Referenced Publication Year Spectroscopy (RPYS) and Algorithmic Historiography: The Bibliometric Reconstruction of András Schubert's Œuvre. - Loet Leydesdorff; Lutz Bornmann; Jordan A. Comins; Werner Marx; Andreas Thor (CoRR, 2016)

A Reproducible Journal Classification and Global Map of Science Based on Aggregated Journal-Journal Citation Relations. - Loet Leydesdorff; Lutz Bornmann; Ping Zhou 001 (CoRR, 2016)

"Open Innovation" and "Triple Helix" Models of Innovation: Can Synergy in Innovation Systems Be Measured? - Loet Leydesdorff; Inga A. Ivanova (CoRR, 2016)

Professional and Citizen Bibliometrics: Complementarities and ambivalences in the development and use of indicators. - Loet Leydesdorff; Paul Wouters; Lutz Bornmann (CoRR, 2016)

Introducing CitedReferencesExplorer (CRExplorer): A program for Reference Publication Year Spectroscopy with Cited References Disambiguation. - Andreas Thor; Werner Marx; Loet Leydesdorff; Lutz Bornmann (CoRR, 2016)

Growth of International Cooperation in Science: Revisiting Six Case Studies. - Caroline S. Wagner; Travis A. Whetsell; Loet Leydesdorff (CoRR, 2016)

A Comparative Study of the Citation Impact of Chinese Journals with Government Priority Support. - Ping Zhou 001; Loet Leydesdorff (Frontiers Res. Metrics Anal., 2016)

Citations: Indicators of Quality? The Impact Fallacy. - Loet Leydesdorff; Lutz Bornmann; Jordan A. Comins; Stasa Milojevic (Frontiers Res. Metrics Anal., 2016)

Highly cited papers in Library and Information Science (LIS): Authors, institutions, and network structures. - Johann Bauer; Loet Leydesdorff; Lutz Bornmann (J. Assoc. Inf. Sci. Technol., 2016)

The construction of interdisciplinarity: The development of the knowledge base and programmatic focus of the journal Climatic Change, 1977-2013. - Iina Hellsten; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2016)

Aggregated journal-journal citation relations in scopus and web of science matched and compared in terms of networks, maps, and interactive overlays. - Loet Leydesdorff; Félix de Moya-Anegón; Wouter de Nooy (J. Assoc. Inf. Sci. Technol., 2016)

The operationalization of "fields" as WoS subject categories (WCs) in evaluative bibliometrics: The cases of "library and information science" and "science & technology studies". - Loet Leydesdorff; Lutz Bornmann (J. Assoc. Inf. Sci. Technol., 2016)

Journal portfolio analysis for countries, cities, and organizations: Maps and comparisons. - Loet Leydesdorff; Gaston Heimeriks; Daniele Rotolo (J. Assoc. Inf. Sci. Technol., 2016)

Replicability and the public/private divide. - Loet Leydesdorff; Caroline S. Wagner; Lutz Bornmann (J. Assoc. Inf. Sci. Technol., 2016)

The normalization of occurrence and Co-occurrence matrices in bibliometrics using Cosine similarities and Ochiai coefficients. - Qiuju Zhou; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2016)

Construction of a pragmatic base line for journal classifications and maps based on aggregated journal-journal citation relations. - Loet Leydesdorff; Lutz Bornmann; Ping Zhou 001 (J. Informetrics, 2016)

Introducing CitedReferencesExplorer (CRExplorer): A program for reference publication year spectroscopy with cited references standardization. - Andreas Thor; Werner Marx; Loet Leydesdorff; Lutz Bornmann (J. Informetrics, 2016)

RPYS i/o: software demonstration of a web-based tool for the historiography and visualization of citation classics, sleeping beauties and research fronts. - Jordan A. Comins; Loet Leydesdorff (Scientometrics, 2016)

Cited references and Medical Subject Headings (MeSH) as two different knowledge representations: clustering and mappings at the paper level. - Loet Leydesdorff; Jordan A. Comins; Aaron A. Sorensen; Lutz Bornmann; Iina Hellsten (Scientometrics, 2016)

Professional and citizen bibliometrics: complementarities and ambivalences in the development and use of indicators - a state-of-the-art report. - Loet Leydesdorff; Paul Wouters; Lutz Bornmann (Scientometrics, 2016)

The normalization of co-authorship networks in the bibliometric evaluation: the government stimulation programs of China and Korea. - Han Woo Park; Jungwon Yoon 004; Loet Leydesdorff (Scientometrics, 2016)

Measuring the match between evaluators and evaluees: cognitive distances between panel members and research groups at the journal level. - A. I. M. Jakaria Rahman; Raf Guns; Loet Leydesdorff; Tim C. E. Engels (Scientometrics, 2016)

New features of CitedReferencesExplorer (CRExplorer). - Andreas Thor; Werner Marx; Loet Leydesdorff; Lutz Bornmann (Scientometrics, 2016)

Toward a Calculus of Redundancy: The feedback arrow of expectations in knowledge-based systems. - Loet Leydesdorff; Mark William Johnson; Inga A. Ivanova (CoRR, 2017)

Probing Multivariate Indicators for Academic Evaluation. - Helen F. Xue; Loet Leydesdorff; Fred Y. Ye (CoRR, 2017)

The geography of references in elite articles: What countries contribute to the archives of knowledge. - Lutz Bornmann; Caroline S. Wagner; Loet Leydesdorff (CoRR, 2017)

Patent Citation Spectroscopy (PCS): Algorithmic retrieval of landmark patents. - Jordan A. Comins; Stephanie A. Carmack; Loet Leydesdorff (CoRR, 2017)

Automated Analysis of Topic-Actor Networks on Twitter: New approach to the analysis of socio-semantic networks. - Iina Hellsten; Loet Leydesdorff (CoRR, 2017)

Identification of long-term concept-symbols among citations: Do common intellectual histories structure citation behavior? - Jordan A. Comins; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2017)

Can "hot spots" in the sciences be mapped using the dynamics of aggregated journal-journal citation Relations? - Loet Leydesdorff; Wouter de Nooy (J. Assoc. Inf. Sci. Technol., 2017)

Co-word maps and topic modeling: A comparison using small and medium-sized corpora (N < 1, 000). - Loet Leydesdorff; Adina Nerghes (J. Assoc. Inf. Sci. Technol., 2017)

Strategic intelligence on emerging technologies: Scientometric overlay mapping. - Daniele Rotolo; Ismael Ràfols; Michael M. Hopkins; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2017)

Visualization of Disciplinary Profiles: Enhanced Science Overlay Maps. - Stephen Carley; Alan L. Porter; Ismael Ràfols; Loet Leydesdorff (J. Data Inf. Sci., 2017)

The Power-weakness Ratios (PWR) as a Journal Indicator: Testing the "Tournaments" Metaphor in Citation Impact Studies. - Loet Leydesdorff; Wouter de Nooy; Lutz Bornmann (J. Data Inf. Sci., 2017)

Skewness of citation impact data and covariates of citation distributions: A large-scale empirical analysis based on Web of Science data. - Lutz Bornmann; Loet Leydesdorff (J. Informetrics, 2017)

Heterogeneity in an undirected network: Definition and measurement. - Xiaojun Hu; Loet Leydesdorff; Ronald Rousseau 001 (J. Informetrics, 2017)

In Praise of Bibliometrics. - Loet Leydesdorff (J. Informetrics, 2017)

The positive side of discursive disagreements in the social sciences. - Loet Leydesdorff (J. Informetrics, 2017)

Full and fractional counting in bibliometric networks. - Loet Leydesdorff; Han Woo Park (J. Informetrics, 2017)

Citation algorithms for identifying research milestones driving biomedical innovation. - Jordan A. Comins; Loet Leydesdorff (Scientometrics, 2017)

Generating clustered journal maps: an automated system for hierarchical classification. - Loet Leydesdorff; Lutz Bornmann; Caroline S. Wagner (Scientometrics, 2017)

Mapping patent classifications: portfolio and statistical analysis, and the comparison of strengths and weaknesses. - Loet Leydesdorff; Dieter Franz Kogler; Bowen Yan (Scientometrics, 2017)

Growth of international collaboration in science: revisiting six specialties. - Caroline S. Wagner; Travis A. Whetsell; Loet Leydesdorff (Scientometrics, 2017)

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. - Lutz Bornmann; Jonathan Adams 001; Loet Leydesdorff (CoRR, 2018)

Regions, Innovation Systems, and the North-South Divide in Italy. - Loet Leydesdorff; Ivan Cucco (CoRR, 2018)

Topic Modelling of Empirical Text Corpora: Validity, Reliability, and Reproducibility in Comparison to Semantic Maps. - Tobias Hecking; Loet Leydesdorff (CoRR, 2018)

Revisiting Relative Indicators and Provisional Truths. - Loet Leydesdorff; Tobias Opthof (CoRR, 2018)

hα: The Scientist as Chimpanzee or Bonobo. - Loet Leydesdorff; Lutz Bornmann; Tobias Opthof (CoRR, 2018)

Does the public discuss other topics on climate change than researchers? A comparison of networks based on author keywords and hashtags. - Robin Haunschild; Loet Leydesdorff; Lutz Bornmann; Iina Hellsten; Werner Marx (CoRR, 2018)

I3: A Non-Parametric Alternative to the Journal Impact Factor. - Loet Leydesdorff; Lutz Bornmann; Jonathan Adams 001 (CoRR, 2018)

Toward a calculus of redundancy: Signification, codification, and anticipation in cultural evolution. - Loet Leydesdorff; Mark William Johnson; Inga A. Ivanova (J. Assoc. Inf. Sci. Technol., 2018)

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. - Lutz Bornmann; Jonathan Adams 001; Loet Leydesdorff (J. Informetrics, 2018)

Patent citation spectroscopy (PCS): Online retrieval of landmark patents based on an algorithmic approach. - Jordan A. Comins; Stephanie A. Carmack; Loet Leydesdorff (J. Informetrics, 2018)

Data-Mining the Foundational Patents of Photovoltaic Materials: An Application of Patent Citation Spectroscopy. - Jordan A. Comins; Loet Leydesdorff (J. Sci. Res., 2018)

Reference publication year spectroscopy (RPYS) of Eugene Garfield's publications. - Lutz Bornmann; Robin Haunschild; Loet Leydesdorff (Scientometrics, 2018)

Count highly-cited papers instead of papers with h citations: use normalized citation counts and compare "like with like"! - Lutz Bornmann; Loet Leydesdorff (Scientometrics, 2018)

Diversity and interdisciplinarity: how can one distinguish and recombine disparity, variety, and balance? - Loet Leydesdorff (Scientometrics, 2018)

Betweenness and diversity in journal citation networks as measures of interdisciplinarity - A tribute to Eugene Garfield. - Loet Leydesdorff; Caroline S. Wagner; Lutz Bornmann (Scientometrics, 2018)

Discontinuities in citation relations among journals: self-organized criticality as a model of scientific revolutions and change. - Loet Leydesdorff; Caroline S. Wagner; Lutz Bornmann (Scientometrics, 2018)

Synergy in Innovation Systems Measured as Redundancy in Triple Helix Relations. - Loet Leydesdorff; Inga A. Ivanova; Martin Meyer 002 (Springer Handbook of Science and Technology Indicators, 2019)

The convergent validity of several (field-normalized) bibliometric indicators: How well does I3 perform for impact measurement? - Lutz Bornmann; Alexander Tekles; Loet Leydesdorff (ISSI, 2019)

Toward Better Growth Policies in a Modern Economy: The Comparison of Three Complexity Indices. - Inga A. Ivanova; Nataliya Smorodinskaya; Loet Leydesdorff (ISSI, 2019)

The Integrated Impact Indicator (I3) and the Journal Impact Factor: A Non‑Parametric Alternative. - Loet Leydesdorff; Lutz Bornmann; Jonathan Adams 001 (ISSI, 2019)

Can the Emergence of New Developments in the Techno-Sciences be Indicated as 'Hot Spots' in Journal Maps? - Xiaozan Lyu; Ping Zhou 001; Loet Leydesdorff (ISSI, 2019)

An Eco-Systems Approach to Constructing Economic Complexity Measures: Endogenization of the technological Dimension using Lotka-Volterra equations. - Inga A. Ivanova; Øivind Strand; Loet Leydesdorff (Adv. Complex Syst., 2019)

Impact factors, Within-Journal Self-citations, and the Pinski-Narin Influence Weights: An analysis using both subfields and the complete Journal Citation Reports 2017. - Gangan Prathap; Loet Leydesdorff (CoRR, 2019)

Does the hα index reinforce the Matthew effect in science? Agent-based simulations using Stata and R. - Lutz Bornmann; Christian Ganser; Alexander Tekles; Loet Leydesdorff (CoRR, 2019)

Statistical significance and effect sizes of differences among research universities at the level of nations and worldwide based on the leiden rankings. - Loet Leydesdorff; Lutz Bornmann; John Mingers (J. Assoc. Inf. Sci. Technol., 2019)

The Relative Influences of Government Funding and International Collaboration on Citation Impact. - Loet Leydesdorff; Lutz Bornmann; Caroline S. Wagner (J. Assoc. Inf. Sci. Technol., 2019)

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. - Loet Leydesdorff; Caroline S. Wagner; Igone Porto Gómez; Jordan A. Comins; Fred Y. Phillips (J. Assoc. Inf. Sci. Technol., 2019)

Does the public discuss other topics on climate change than researchers? A comparison of explorative networks based on author keywords and hashtags. - Robin Haunschild; Loet Leydesdorff; Lutz Bornmann; Iina Hellsten; Werner Marx (J. Informetrics, 2019)

Interdisciplinarity as diversity in citation patterns among journals: Rao-Stirling diversity, relative variety, and the Gini coefficient. - Loet Leydesdorff; Caroline S. Wagner; Lutz Bornmann (J. Informetrics, 2019)

Diversity measurement: Steps towards the measurement of interdisciplinarity? - Loet Leydesdorff; Caroline S. Wagner; Lutz Bornmann (J. Informetrics, 2019)

How well does I3 perform for impact measurement compared to other bibliometric indicators? The convergent validity of several (field-normalized) indicators. - Lutz Bornmann; Alexander Tekles; Loet Leydesdorff (Scientometrics, 2019)

The integrated impact indicator revisited (I3*): a non-parametric alternative to the journal impact factor. - Loet Leydesdorff; Lutz Bornmann; Jonathan Adams 001 (Scientometrics, 2019)

hα: the scientist as chimpanzee or bonobo. - Loet Leydesdorff; Lutz Bornmann; Tobias Opthof (Scientometrics, 2019)

The evolutionary dynamics of expectations: Interactions among codes in inter-human communications. - Loet Leydesdorff; Franz Hoegl (Biosyst., 2020)

Automated analysis of actor-topic networks on twitter: New approaches to the analysis of socio-semantic networks. - Iina Hellsten; Loet Leydesdorff (J. Assoc. Inf. Sci. Technol., 2020)

Library and Information Science Papers Discussed on Twitter: A new Network-based Approach for Measuring Public Attention. - Robin Haunschild; Loet Leydesdorff; Lutz Bornmann (J. Data Inf. Sci., 2020)

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]. - Robin Haunschild; Loet Leydesdorff; Lutz Bornmann; Iina Hellsten; Werner Marx (J. Informetrics, 2020)

Within-journal self-citations and the Pinski-Narin influence weights. - Gangan Prathap; Somenath Mukherjee; Loet Leydesdorff (J. Informetrics, 2020)

Does the hα-index reinforce the Matthew effect in science? The introduction of agent-based simulations into scientometrics. - Lutz Bornmann; Christian Ganser; Alexander Tekles; Loet Leydesdorff (Quant. Sci. Stud., 2020)

Bridging the divide between qualitative and quantitative science studies. - Loet Leydesdorff; Ismael Ràfols; Stasa Milojevic (Quant. Sci. Stud., 2020)

Historical roots of Judit Bar-Ilan's research: a cited-references analysis using CRExplorer. - Lutz Bornmann; Loet Leydesdorff (Scientometrics, 2020)

"Interdisciplinarity" and "Synergy" in the Œuvre of Judit Bar-Ilan. - Loet Leydesdorff; Lutz Bornmann (Scientometrics, 2020)

Eco-system mapping of techno-science linkages at the level of scholarly journals and fields. - Xiaozan Lyu; Ping Zhou 001; Loet Leydesdorff (Scientometrics, 2020)

The measurement of "interdisciplinarity" and "synergy" in scientific and extra-scientific collaborations. - Loet Leydesdorff; Inga A. Ivanova (J. Assoc. Inf. Sci. Technol., 2021)

Are University Rankings Statistically Significant? A Comparison among Chinese Universities and with the USA. - Loet Leydesdorff; Caroline S. Wagner; Lin Zhang 004 (J. Data Inf. Sci., 2021)

The Scientometric Measurement of Interdisciplinarity and Diversity in the Research Portfolios of Chinese Universities. - Lin Zhang 004; Loet Leydesdorff (J. Data Inf. Sci., 2021)

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 . - Andreas Thor; Lutz Bornmann; Robin Haunschild; Loet Leydesdorff (J. Inf. Sci., 2021)

Disruption indices and their calculation using web-of-science data: Indicators of historical developments or evolutionary dynamics? - Loet Leydesdorff; Lutz Bornmann (J. Informetrics, 2021)

Improved clusterings and visualizations of 11, 359 journals in the JCRs 2015. - Loet Leydesdorff; Lutz Bornmann; Caroline S. Wagner (Scientometrics, 2021)

A discussion of measuring the top-1 percent most-highly cited publications: Quality and impact of Chinese papers. - Caroline S. Wagner; Lin Zhang 004; Loet Leydesdorff (CoRR, 2022)

A discussion of measuring the top-1% most-highly cited publications: quality and impact of Chinese papers. - Caroline S. Wagner; Lin Zhang 004; Loet Leydesdorff (Scientometrics, 2022)

A heuristic approach based on Leiden rankings to identify outliers: evidence from Italian universities in the European landscape. - Cinzia Daraio; Simone Di Leo; Loet Leydesdorff (Scientometrics, 2023)

Retraction of Predatory publishing in Scopus: evidence on cross-country differences lacks justification. - Giovanni Abramo; Isidro F. Aguillo; Dag W. Aksnes; Kevin W. Boyack; Quentin L. Burrell; Juan Miguel Campanario; Zaida Chinchilla-Rodríguez; Rodrigo Costas 001; Ciriaco Andrea D'Angelo; Anne-Wil Harzing; Hamid R. Jamali 001; Vincent Larivière; et al. (Scientometrics, 2023)

Quantitative Theory of Meaning. Application to Financial Markets. EUR/USD case study. - Inga A. Ivanova; Grzegorz Rzadkowski; Loet Leydesdorff (CoRR, 2024)