Loet Leydesdorff, Scientometrics Knowledge-based Economy, and the Triple Helix Helix

2021

Loet Leydesdorff, The Evolutionary Dynamics of Discursive Knowledge: Communication-Theoretical Perspectives on an Empirical Philosophy of Science. In: Qualitative and Quantitative Analysis of Scientific and Scholarly Communication (Wolfgang Glänzel and Andrasz Schubert., Eds.). Cham, Switzerland: Springer Nature, 2021.

Loet Leydesdorff & Inga Ivanova, The Measurement of “Interdisciplinarity” and “Synergy” in Scientific and Extra-Scientific Collaborations, Journal of the Association for Information Science & Technology 72 (2021) 387-402; https://doi.org/10.1002/asi.24416

Die Mathematik und andere Kurzsprachen, [The Code of Mathematics: John von Neumann’s The Computer and the Brain (1958)] pp. 279-288 in: Dirk Baecker (Ed.), Schlüsselwerke der Systemtheorie [Key Works of Systems Theory]. Third and revised edition. Springer VS, 2021.

Loet Leydesdorff, Alexander Tekles, & Lutz Bornmann, A Proposal to Revise the Disruption Indiex, .El Profesional de la Informacion 30(1), e300121; http://www.profesionaldelainformacion.com/contenidos/2021/ene/leydesdorff-tekles-bornmann.html

Loet Leydesdorff, Lutz Bornmann, and Caroline S. Wagner, Improved Clusterings and Visualizations of 11,359 Journals in the JCRs 2015, Scientometrics (2021, early view at
https://doi.org/10.1007/s11192-021-03938-7

Leydesdorff, L., Wagner, C. S., & Zhang, L. (2021). Are University Rankings Statistically Significant? A Comparison among Chinese Universities and with the USA. Journal of Digital and Invormation Science (JDIST), forthoming. arXiv preprint arXiv:2011.08591. http://ssrn.com/abstract=3732825

Mark W. Johnson & Loet Leydesdorff, Redundancies in the Communication of Music: An Operationalization of Schutz's “Making Music Together,” Systems Research and Behavioral Science (in press); https://onlinelibrary.wiley.com/doi/abs/10.1002/sres.2738

Zhang, L., & Leydesdorff , L. (2021; under submission). The Scientometric Measurement of Interdisciplinarity and Diversity in Research Portfolios of Chinese Universities. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3798519

Henriette Ruhrmann, Smart Specialization Strategies at National, Regional, or Local Levels? Synergy and Policy-making in German Systems of Innovation. Regional Studies (in print); preprint at https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3577495; https://doi.org/10.1080/00343404.2021.1872780 .

Staša Milojević and Loet Leydesdorff (2022, forthcoming), Bibliometrics / Scientometrics, in: Laurie Schintler and Connie McNeely (Eds.), Encyclopedia of Big Data. Cham: Springer/Nature, 2020; https://doi.org/10.1007/978-3-319-32001-4_520-1

in preparation:

* Loet Leydesdorff & Helen Lawton Smith, (under review). Triple, Quadruple, and Higher-Order Helices: Historical Phenomena and (Neo-)Evolutionary Models. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3817410

* .Loet Leydesdorff , .Automation in the Overlaying of Journal Maps. (under submission) ; https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3776193. ; Software at http://www.leydesdorff.net/wc19

* Loet L:eydesodrff & Lutz Bornmann, Disruption Indices and their Calculation using Web-of-Science Data: Indicators of Historical Developments or Evolutionary Dynamics? https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3777071

2020

Interdisciplinarity and Synergy in Collaborations. Blogpost Gabriele Bammer, 20 October 2020; https://i2insights.org/2020/10/20/interdisciplinarity-versus-synergy/
See WU Yishan's blog post in Chinese at http://blog.sciencenet.cn/blog-1557-1251187.html

Webinar: Tribute to Loet Leydesdorff and Presentation of Special Issue of Quantitative Science Studies, 7 September 2020. [vido recording zoom session]

Leydesdorff, Loet & Bornmann, Lutz (2020). "Interdisciplinarity" and "Synergy" in the Œuvre of Judit Bar-Ilan. Scientometrics, 123(3) (2020) 1247-1260; DOI: 10.1007/s11192-020-03451-3

Loet Leydesdorff & Framz Hoegl, The Evolutionary Dynamics of Expectations: Interactions among Codes in Inter-Human Communications, BioSystems 198 (2020), 104236

Loet Leydesdorff, The differentia specifica of Interhuman Communications: Luhmann and the Sociological Reflection of Information Theory. Pp. 457–469 in: Gordana Dodig Crnkovic & Mark Burgin (Eds.), Theoretical Information Studies Vol 2. World Scientific, 2020; https://doi.org/10.1142/9789813277496_0021

Loet Leydesdorff, Ismael Rafols, & Staša Milojević, (Eds.), Bridges and Research Agendas Between “Qualitative” and “Quantitative” Science Studies, Quantitative Science Studies, Special Issue 1(3), 918–1055.

Loet Leydesdorff, Ismael Rafols, & Staša Milojević, “Bridging the Divide between Qualitative and Quantitative Science Studies,” Editorial Introduction to the Special Issue of Quantitative Science Studies, 1(3), 918–926. https://doi.org/10.1162/qss_e_00061

Lutz Bornmann & Loet Leydesdorff, L. (2020). Historical roots of Judit Bar-Ilan’s research: a cited-references analysis using CRExplorer. Scientometrics, 123(3), 1193-1200. https://doi.org/10.1007/s11192-020-03438-0

Lutz Bornmann, Alexander Tekles, & Loet Leydesdorff, The convergent validity of several (field-normalized) bibliometric indicators: How well does I3 perform for impact measurement? Scientometrics 119(2) 1187-1205; https://doi.org/10.1007/s11192-019-03071-6 .

Lutz Bornmann, Christian Ganser, Alexander Tekles, & Loet Leydesdorff, Does the hα index reinforce the Matthew effect in science? Agent-based simulations using Stata and R, Quantitative Science Studies 1(1) (2020) 331-346; https://doi.org/10.1162/qss_a_00008.

Robin Haunschild, Loet Leydesdorff, and Lutz Bornmann, "Library and Information Science Papers Discussed on Twitter: A new network-based approach for measuring public attention," Journal of Data and Information Science 5(3) (2020), 5-17; https://doi.org/10.2478/jdis-2020-0017

Iina Hellsten & Loet Leydesdorff. Automated Analysis of Topic-Actor Networks on Twitter: New approach to the analysis of socio-semantic networks. Journal of the Association for Information Science and Technology JASIST 71(1) (2020) 3-15; DOI: 10.1002/asi.24207

Iina Hellsten, Tobias Opthof & Loet Leydesdorff, N-mode network approach for socio-semantic analysis of scientific publications, Poetics 78 (2020) 101427; https://doi.org/10.1016/j.poetic.2019.101427

Xiaojun Hu, Loet Leydesdorff, and Ronald Rousseau, Exponential Growth in the Number of Items in the WoS. ISSI Newsletter, 16(2) (2002), 32-28.

Inga A. Ivanova, Nataliya Smorodinskaya, and Loet Leydesdorff, On Measuring Complexity in a Post-Industrial Economy: The Ecosystem’s Approach, Quality and Quantity 54 (2020) 197-212; doi: 10.1007/s11135-019-00844-2.

Gangan Prathap,Somenath Mukherjee, & Loet Leydesdorff, Within-Journal Self-citations, and the Pinski-Narin Influence Weights. Journal of Informetrics 14(1) (2020) 100989; https://doi.org/10.1016/j.joi.2019.100989.

Steffen Roth, Loet Leydesdorff, Juri Kaivo-oja, and Augusto Sales, Open coopetition: when multiple players and rivals team up. Journal of Business Strategy 41(6) (2020), 31-38. https://doi.org/10.1108/JBS-11-2018-0192.

Thor, A., Bornmann, L., Haunschild, R., & Leydesdorff, L. (2020). 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. Journal of Information Science, 0165551520913817.

Xiaozan LYU, Ping ZHOU*, Loet Leydesdorff (2020). Eco-systems Mapping and Forcasting of Techno-Science Linkages at the Level of Scholarly Journals and Fields, Scientometrics, 124(3) (2020) 2037-2055; http://doi.org/10.1007/s11192-020-03435-3; overlay maps can be retrievd from http://www.leydesdorff.net/jcr17

Robin Haunschild, Loet Leydesdorff, Lutz Bornmann, Iina Hellsten, & Werner Marx (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], Journal of Informetrics 14(1) February 2002, 101020; https://doi.org/10.1016/j.joi.2020.101020

2019

Loet Leydesdorff, Lutz Bornmann, and Jonathan Adams, The Integrated Impact Indicator Revisited (I3*): A Non-Parametric Alternative to the Journal Impact Factor. Scientometrics 119(3) (2019) 1669-1694; doi: 10.1007/s11192-019-03099-8

Loet Leydesdorff, Caroline S. Wagner, and Lutz Bornmann, Interdisciplinarity as Diversity in Citation Patterns among Journals: Rao-Stirling Diversity, Relative Variety, and the Gini coefficient. Journal of Informetrics 13(1) (2019) 255-269; https://doi.org/10.1016/j.joi.2018.12.006

Loet Leydesdorff, Caroline S. Wagner, and Lutz Bornmann, Diversity Measurement: Steps towards the Measurement of Interdisciplinarity? Journal of Informetrics 13 (3) (2019) 904-905 ; https://doi.org/10.1016/j.joi.2019.03.016

Loet Leydesdorff, Lutz Bornmann, and Tobias Opthoff, h(α): The Scientist as Chimpanzee or Bonobo , Scientometrics 118(3) (2019) 1163-1166; doi:10.1007/s11192-019-03004-3

J. Hirsch, Response to the comment "h(α): The Scientist as Chimpanzee or Bonobo ," by Leydesdorff, Bornmann and Opthof, Scientometrics 118(3) (2019) 1167-1172; doi: 10.1007/s11192-019-03019-w

Loet Leydesdorff and Igone Porto Gomez, The Expected Synergy in Spanish Regional and National Systems of Innovation, Journal of Technology Transfer 44(1) (2019) 189-209; doi:10.1007/s10961-017-9618-4.

Loet Leydesdorff, Caroline S. Wagner, Igone Porto-Gomez, Jordan A. Comins, and 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, Journal of the Association for Information Science and Technology 70(10) (2019) 1108-1135; https://doi.org/10.1002/asi.24182

Noor Blom, Bob van Dijk, Herbert van Erkelens, Ernst Homburg, Egbert van der Poel, Ruud de Ruyter, Huib Schwab, Annemarie van de Vusse, and Loet Leydesdorff (1980). Philips en de Wetenschap. Amsterdam: SUA. <pdf>; electronic version 2019.

Leydesdorff, Loet (1984). Amersfoort: De Horstink. <pdf>; electronic version 2019

Etzkowitz, Henry and Leydesdorff, Loet, Universities and the Global Knowledge Economy: A Triple Helix of University-Industry Relations. Preprint version, 1997. Available at: https://ssrn.com/abstract=3404823

Loet Leydesdorff, Lutz Bornmann, and Caroline S. Wagner, The relative influences of government funding and international collaboration on citation impact, Journal of the Association for Information Science and Technology 70(2) (2019) 198-201; https://doi.org/10.1002/asi.24109.

Loet Leydesdorff, Lutz Bornmann, and John Mingers, Statistical Significance and Effect Sizes of Differences among Research Universities at the Level of Nations and Worldwide based on the Leiden Rankings, Journal of the Association for Information Science and Technology 70(5) (2019) 509-525; https://doi.org/10.1002/asi.24130

Leydesdorff, L., Ivanova, I., & Meyer, M. (2019). The Measurement of Synergy in Innovation Systems: Redundancy Generation in a Triple Helix of University-Industry-Government Relations. In W. Glänzel, H. Moed, U. Schmoch & M. Thelwall (Eds.), Springer Handbook of Science and Technology Indicators (pp. 421-443). Cham, etc.: Springer Nature. Preprint available at https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2937647

Loet Leydesdorff, & Ivan Cucco, Regions, Innovation Systems, and the North-South Divide in Italy. El Profesional de la Informacion, 28(2), e280214. https://doi.org//10.3145/epi.2019.mar.14
http://www.elprofesionaldelainformacion.com/contenidos/2019/mar/22.pdf

Loet Leydesdorff, Czy Spoleczenstwo Samoorganizujacy Systemem? [Is Society a Self-Organizing System? Journal for Social and Evolutionary Systems 16 (1993) 331-349]; translated into Polish by Marie Stefanova; March 14, 2019; СИСТЕМА СУСПІЛЬСТВА?, translated into Ukrainian by Sandi Wolfe.

Inga Ivanova, Øivind Strand, & Loet Leydesdorff, An Eco-Systems Approach to constructing Economic Complexity Measures: Endogenization of the technological dimension using Lotka-Volterra equations, Advances in Complex Systems, 22(1) 1850023 (23 pages); DOI: 10.1142/S0219525918500236.

Inga A. Ivanova, Øivind Strand, and Loet Leydesdorff, What is the effect of synergy in international collaboration on regional economies? Journal of the Knowledge Economy 10(1) (2019) 18-34. doi: 10.1007/s13132-017-0480-2

Inga A. Ivanova, Øivind Strand, and Loet Leydesdorff, The Synergy and Cycle Values in Regional Innovation System: The Case of Norway, Foresight and STI Governance, 13(1), 48-61

Tobias Hecking & Loet Leydesdorff, Topic Modelling of Empirical Text Corpora: Validity, Reliability, and Reproducibility in Comparison to Semantic Maps. Research Evaluation 28(3) (2019) 263-272; doi: 10.1093/reseval/rvz015

Igone Porto Gomez, Jon Mikel Zabala Iturriagagoitia, & Loet Leydesdorff, Innovation Systems in Mexico: a matter of missing synergies, Technological Forecasting and Social Change 148(November 2019), 119721. doi: 10.1016/j.techfore.2019.119721

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, Journal of Informetrics 13(2) (2019) 695-707; https://doi.org/10.1016/j.joi.2019.03.008.

Sally Wyatt and Loet Leydesdorff (2019), Ontology and Science and Technology Studies, in: Paul Anthony Atkinson, Sara Delamont, Richard A Williams, Alexandru Cernat, Joseph W. Sakshaug (Eds.), The SAGE Encyclopedia of Research Methods.

Loet Leydesdorff, Introducing Lutz Bornmann, the Derek de Solla Price 2019, ISSI Newsletter 15(3) (2019), 38-42.

2018

ZHAO Yong and WU Yishan, Tracing Origins: A Study on the Characteristics of Important Literature Cited by a Famous Scientometricaian, Journal of the China Society for Scientific and Technical Information, 36(11) (2017)

Loet Leydesdorff and Tobias Opthof, Revisiting Relative Indicators and Provisional Truths, ISSI Newsletter #55, 14(3) (2018) 62-67.

Loet Leydesdorff, Diversity and Interdisciplinarity: How Can One Distinguish and Recombine Disparity, Variety, and Balance? Scientometrics 116(3) (2018) 2113-2121; doi: 10.1007/s11192-018-2810-y.

Loet Leydesdorff, Synergy in Knowledge-Based Innovation Systems at National and Regional Levels: The Triple Helix Model and the Fourth Industrial Revolution , Journal of Open Innovation: Technology, Market, and Complexity 4(2) (2018) 2; DOI: https://doi.org/10.3390/joitmc4020016

Loet Leydesdorff, Mark Johnson, & Inga Ivanova, Toward a Calculus of Redundancy: Signification, Codification, and Anticipation in Cultural Evolution. Journal of the Association for Information Science and Technology 69(10) 1181-11921. doi:10.1002/asi.24052

Loet Leydesdorff, Caroline S. Wagner, and Lutz Bornmann, Discontinuities in Citation Relations among Journals: Self-organized Criticality as a Model of Scientific Revolutions and Change , Scientometrics 116(1) (2018) 623-644; doi: 10.1007/s11192-018-2734-6.

Leydesdorff, L., Wagner, C., & Bornmann, L. (2018). “Critical Transitions” and “Avalanches” in Journal-Journal Citation Relations. Paper presented at the STI 2018 Conference. Proceedings at http://hdl.handle.net/1887/65343; in: Rodrigo Costas, Thomas Franssen, Alfredo Yegros-Yegros (Eds.), Leiden: CWTS, 12-14 Sep. 2018; pp. 64-72; https://hdl.handle.net/1887/64521

Loet Leydesdorff, Caroline S. Wagner, and Lutz Bornmann, Betweenness and Diversity in Journal Citation Networks as Measures of Interdisciplinarity—A Tribute to Eugene Garfield, Scientometrics 114(2) (2018) 567-592; https://doi.org/10.1007/s11192-017-2528-2

Loet Leydesdorff, Lifting the Markov Blankets of Socio-Cultural Evolution. A Comment on “Answering Schrödinger’s question: A free-energy formulation” by Maxwell James Désormeau Ramstead et al., Physics of Life Reviews 24 (2018) 45-46; https://doi.org/10.1016/j.plrev.2017.11.005

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 Journal of Informetrics 12(3) (2018) 931-949; https://doi.org/10.1016/j.joi.2018.07.009

Lutz Bornmann, Caroline Wagner, & Loet Leydesdorff, The Geography of References in Elite Articles: Which countries contribute to the archives of knowledge. PLOS ONE, 13(3), (2018) e0194805.

Jordan Alexander Comins, Stephanie A. Carmack, and Loet Leydesdorff, Patent Citation Specroscopy: Online retrieval of landmark patents based on an algorithmic approach, Journal of Informetrics 12(4) (2018) 1223-1231.

Jordan Comins and Loet Leydesdorff, Data-mining the Foundational Patents of Photovoltaic Materials: An application of Patent Citation Spectroscopy. Journal of Scientometrics Research 7(2) (2018) 79-83; doi: 10.5530/jscires.7.2.13.

Lutz Bornmann, Robin Haunschild, and Loet Leydesdorff, Reference Publication Year Spectroscopy (RPYS) of Eugene Garfield’s publications , Scientometrics 114(2) (2018) 439-448; https://link.springer.com/article/10.1007%2Fs11192-017-2608-3

Dieter Franz Kogler, Gaston Heimeriks, and Loet Leydesdorff , Patent Portfolio Analysis of Cities: Statistics and Maps of Technological Inventiveness, European Planning Studies 26(11) (2018) 2256-2278; https://doi.org/10.1080/09654313.2018.1530147;<software>

Lutz Bornmann and Loet Leydesdorff, Count highly-cited papers instead of papers with h citations—Use normalized citation counts and compare “like with “like”! Scientometrics 115 (2018) 1119-1123; https://doi.org/10.1007/s11192-018-2682-1.

Loet Leydesdorff, "Open Access" maakt wetenschappers minder onafhankelijk, NRC, 12 november 2018; at https://www.nrc.nl/nieuws/2018/11/12/brieven-a2754807

2017

ZHAO Yong, GAO Sijia, and WU Yishan, Anatomy of Research Methods Used by a Famous Scientometrician Based on Coding Frameworks, Journal of China Society for Scientific and Technical Information, 2017, 36(5): 443-451 ; <pdf>

Loet Leydesdorff, Andreas Thor, and Lutz Bornmann, Further steps in integrating the platforms of WoS and Scopus: Historiography with HistCite™ and main-path analysis, El Profesional de la Información 26(4) (2017) 662-670; https://doi.org/10.3145/epi.2017.jul.10

Loet Leydesdorff, Dieter Franz Kogler, and Bowen Yan, Mapping Patent Classifications: Portfolio and Statistical Analysis, and the Comparison of Strengths and Weaknesses, Scientometrics 112(3) (2017) 1573-1591; http://link.springer.com/article/10.1007/s11192-017-2449-0

Loet Leydesdorff, Alexander Petersen, and Inga A. Ivanova, Self-Organization of Meaning and the Reflexive Communication of Information. Social Science Information 56(1) (2017) 4-27; DOI: 10.1177/0539018416675074

Loet Leydesdorff and Adina Nerghes, Co-word Maps and Topic Modeling: A Comparison Using Small and Medium-Sized Corpora (n < 1000), Journal of the Association for Information Science and Technology 68(4) (2917) 1024-1035; doi: 10.1002/asi.23740.

Loet Leydesdorff and Han Woo Park, Full and Fractional Counting in Bibliometric Networks, Journal of Informetrics 11(1) (2017) 117-200; doi: 10.1016/j.joi.2016.11.007

Loet Leydesdorff, Lutz Bornmann, and Caroline S. Wagner, Generating Clustered Journal Maps: An Automated System for Hierarchical Classification , Scientometrics 110(3) (2017) 1601-1614; doi: 10.1007/s11192-016-2226-5

Loet Leydesdorff & Wouter de Nooy, Can "Hot Spots" in the Sciences Be Mapped Using the Dynamics of Aggregated Journal-Journal Citation Relations?, Journal of the Association for Information Science and Technology 68(1) (2017) 197-213; DOI: 10.1002/asi.23634

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, Journal of Informetrics 11(1) (2017) 164-175; http://dx.doi.org/10.1016/j.joi.2016.12.001

Stephen Carley, Alan L. Porter, Ismael Rafols, and Loet Leydesdorff, Visualization of Disciplinary Profiles: Enhanced Science Overlay Maps, Journal of Data and Information Science (JDIS), 2(3) (2017), 68-111. doi: 10.1515/jdis-2017-0015<software>

Jordan A. Comins and Loet Leydesdorff, Citation algorithms for identifying research milestones driving biomedical innovation. Scientometrics 110(3) (2017) 1495-1504; doi: 10.1007/s11192-016-2238-1

Jordan A. Comins and Loet Leydesdorff, Identification of long-term concept-symbols among citations: Do common intellectual histories structure citation behavior? Journal of the Association for Information Science and Technology 68(5) (2017) 1224-1233; http://dx.doi.org/10.1002/asi.23769

Xiaojun Hu, Loet Leydesdorff, and Ronald Rousseau, Network heterogeneity in an undirected network: Definition and measurement, Journal of Informetrics 11(2) (2017) 669-682; doi:10.1016/j.joi.2017.05.003.

Inga A. Ivanova, Øivind Strand, Duncan Kushnir, and Loet Leydesdorff, Economic and Technological Complexity: A Model Study of Indicators of Knowledge-based Innovation Systems, Technological Forecasting and Social Change 120 (July 2017) 77-89; doi: 10.1016/j.techfore.2017.04.007.

Daniele Rotolo, Ismael Rafols, Michael Hopkins, and Loet Leydesdorff, Strategic Intelligence on Emerging Technologies: Scientometric Overlay Mapping, Journal of the Association for Information Science and Technology 68(1) (2017) 214-233; <maps>

Øivind Strand, Inga Ivanova, and Loet Leydesdorff, Decomposing the Triple-Helix Synergy into the Regional Innovation Systems of Norway: Firm Data and Patent Networks. Quality & Quantity 51(3) 963-988; doi:10.1007/s11135-016-0344-z.

Caroline S. Wagner, Travis A. Whetsell, and Loet Leydesdorff (2017), Growth of International Collaboration in Science: Revisiting Six Specialties, Scientometrics 110(3), 1633-1652. doi:10.1007/s11192-016-2230-9

Caroline S. Wagner and Loet Leydesdorff, Envisioning Vision: Journal Clusters in Ophthalmology, Insights in Ophthalmology, 2017, 1:1

Sally Wyatt, Staša Milojevič, Han Woo Park, and Loet Leydesdorff, Quantitative and Qualitative STS: The Intellectual and Practical Contributions of Scientometrics. Pp. 87-112 in: Ulrike Felt, Rayvon Fouché, Clark Miller, and Laurel Smith-Doerr (Eds.), Handbook of Science and Technology Studies (4th edition). Boston, MA: MIT Press, 2017.

Fred Ye, Lutz Bornmann, and Loet Leydesdorff, h-based I3-type Multivariate Vectors: Multidimensional Indicators of Publication and Citation Scores. COLLNET Journal of Scientometrics and Information Management, 11(1) (2017) 153-171; doi:10.1080/09737766.2017.1284954

Helen F. Xue, Loet Leydesdorff, and Fred Y. Ye, Probing Multivariate Indicators for Academic Evaluation, Journal of Library Science in China 43(4) (2017) 63-73; doi:10.13530/j.cnki.jlis.170018. <English version>

Triple Helix of University-Industry-Government Relations, in: Elias G. Carayannis (Ed.), Encyclopedia of Creativity, Innovation, and Entrepreneurship, New York: Springer, 2nd edition. doi: 10.1007/978-1-4614-6616-1_452-2

N-Tuple of Helices, in: Elias G. Carayannis (Ed.), Encyclopedia of Creativity, Innovation, and Entrepreneurship, New York: Springer, 2nd edition. doi: 10.1007/978-1-4614-6616-1_200002-2

Loet Leydesdorff, In praise of bibliometrics, review of: Yves Gingras, Bibliometrics and Research Evaluation: Uses and Abuses. Cambridge MA: MIT Press, 2016; 119 + xii pages. Journal of Informetrics 11(2) (2017) 295-297. https://ssrn.com/abstract=2922948

Loet Leydesdorff, The positive side of discursive disagreements in the social sciences, Journal of Informetrics 11(4) (2017) 1043; https://doi.org/10.1016/j.joi.2017.09.006.

Krassimir Markov, Christophe Menant, Stanley N Salthe, Yixin Zhong, Karl Javorszky, Alex Hankey, Loet Leydesdorff, Guy A Hoelzer, Jose Javier Blanco Rivero, Robert K. Logan, Sungchul Ji, Mark Johnson, David Kirkland, & Gordana Dodig-Crnkovic, Data versus Information, International Jouranl of Information Theories and Applications (IJTA), 24(4), 2017, 303-321.

2016

Loet Leydesdorff, Paul Wouters, and Lutz Bornmann, Professional and Citizen Bibliometrics: Complementarities and ambivalences in the development and use of indicators, Scientometrics 109(3) (2016) 2129-2150; doi: 10.1007/s11192-016-2150-8.

Loet Leydesdorff, Lutz Bornmann, and Ping Zhou, Construction of a Pragmatic Base Line for Journal Classifications and Maps Based on Aggregated Journal-Journal Citation Relations, Journal of Infometrics 10(4) (2016) 902-918; doi:10.1016/j.joi.2016.07.008

Information, Meaning, and Intellectual Organization in Networks of Inter-Human Communication, pp. 280-303 in: Cassidy R. Sugimoto (Ed.), Theories of Informetrics and Scholarly Communication: A Festschrift in Honor of Blaise Cronin, Berlin/Boston MA; De Gruyter, 2016.

Una Teoría Sociológica de la Comunicación, edited and translated by Gabriel Vélez Cuartas, Liliana Ramirez Ruiz, Javier Torres Nafarrate, et al. México: Universidad Iberoamerica (ISBN 978-607-417-343-7).

Die Mathematik und andere Kurzsprachen, [The Code of Mathematics: John von Neumann’s The Computer and the Brain (1958)] pp. 253-262 in Dirk Baecker (Ed.), Schlüsselwerke der Systemtheorie [Key Works of Systems Theory]. 2nd electronic edition. Springer Verlag, 2016.

Loet Leydesdorff and 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", Journal of the Association for Information Science and Technology 67(3) (2016) 707-714; doi: 10.1002/asi.23408

Loet Leydesdorff, Lutz Bornmann, Jordan Comins, and Staša Milojevic, Citations: Indicators of Quality? The Impact Fallacy, Frontiers in Research Metrics and Analytics, 1 (2016), Article 1; doi: 10.3389/frma.2016.00001

Leydesdorff, L., Bornmann, L., Comins, J. A., Marx, W., & Thor, A. (2016). Referenced Publication Year Spectrography (RPYS) and Algorithmic Historiography: A Bibliometric Reconstruction of András Schubert’s Œuvre. Pp. 79-96 in W. Glänzel & B. Schlemmer (Eds.), András Schubert--A World of Models and Metrics. Louvain: ISSI.

Loet Leydesdorff, Jordan A. Comins, Aaron A. Sorensen, Lutz Bornmann, and Iina Hellsten, Cited References and Medical Subject Headings (MeSH) as Two Different Knowledge Representations: Clustering and Mappings at the Paper Level. Scientometrics 109(3) (2016) 2077-2091; doi: 10.1007/s11192-016-2119-7

Loet Leydesdorff, Wouter de Nooy, and Lutz Bornmann, The Power-weakness Ratios (PWR) as a Journal Indicator: Testing the “Tournaments” Metaphor in Citation Impact Studies, Journal of Data and Information Science 1(3) (2016) 6-26; doi:10.20309/jdis.201617

Loet Leydesdorff, Gaston Heimeriks, and Daniele Rotolo, Journal Portfolio Analysis for Countries, Cities, and Organizations: Maps and Comparisons ; Journal of the Association for Information Science and Technology 67(3) (2016) 741-748; doi: 10.1002/asi.23551; <software>

Loet Leydesdorff and Inga Ivanova, “Open Innovation” and “Triple Helix” Models of Innovation: Can Synergy in Innovation Systems Be Measured? Journal of Open Innovations: Technology, Market and Complexity, 2(1) (2016) 1-12; doi:10.1186/s40852-016-0039-7

Loet Leydesdorff, Félix de Moya-Anegón, and Wouter de Nooy, Aggregated journal-journal citation relations in Scopus and Web-of-Science matched and compared in terms of networks, maps, and interactive overlays, Journal of the Association of Information Science and Technology 67(9) (2016) 2194-2211; doi: 10.1002/asi.23372.

Loet Leydesdorff, Caroline Wagner, and Lutz Bornmann, Replicability and the Public/Private Divide, Letter to the Editor, Journal of the Association for Information Science and Technology 67(7) (2016) 1777-1778; doi: 10.1002/asi.23672

Loet Leydesdorff, Henry Etzkowitz, and Duncan Kushnir, Globalization and Growth of U.S. University Patenting (2009-2014) , Industry and Higher Education 30(4) (2016) 257-266; doi:10.1177/0950422216660253.

Leydesdorff, L. (2016). The dynamics of journal-journal citation relations: Can “hot spots” in the sciences be mapped? Proceedings of the Association for Information Science and Technology (https://onlinelibrary.wiley.com/doi/full/10.1002/pra2.2015.145052010059 ).

Johann Bauer, Loet Leydesdorff, and Lutz Bornmann, Highly-cited papers in Library and Information Science (LIS): Authors, institutions, and network structures, Journal of the Association for Information Science and Technology 67(12), 3095-3100; doi: 10.1002/asi.23568.

Lutz Bornmann, Andreas Thor, Werner Marx, and Loet Leydesdorff, Identifying seminal works most important for research fields: Software for the Reference Publication Year Spectroscopy (RPYS), CollNet Journal of Scientometrics and Information Management 10(1) (2016) 125-140, DOI : 10.1080/09737766.2016.1177948; <software>

Jordan Comins and 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. <software>, Scientometrics 107(3) (2016) 1509-1517; doi: 10.1007/s11192-016-1928-z

Wilfred Dolfsma en Loet Leydesdorff, Universitaire en economische pieken, ESB 101 (4742), 13 oktober 2016, 678-681. Preprint at http://ssrn.com/abstract=2849151

Iina Hellsten and Loet Leydesdorff, The Construction of Interdisciplinarity: The development of the knowledge base and programmatic focus of the journal Climatic Change, 1977-2013, Journal of the Association for Information Science and Technology 67(9) (2016) 2181-2193; doi: 10.1002/asi.23528

Xiaojun Hu, Loet Leydesdorff, and Ronald Rousseau, Network heterogeneity in an undirected network, In I. Rfnbsp;fols, J. Molas-Gallart, E. Castro-Martínez & R. Woolley (Eds.), Proceedings of the 21st International Conference on Science and Technology Indicators. (pp. 1117-1121). València (Spain): Universitat Politècnica de València. September 14-16, 2016; doi: 10.4995/STI2016.2016.4543

A.I.M. Jakaria Rahman, Raf Guns, Loet Leydesdorff, and 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) 1639-1663; doi: 10.1007/s11192-016-2132-x

Helen Lawton Smith and Loet Leydesdorff, The Triple Helix in the Context of Global Change: Dynamics and Challenges, Prometheus 32(4) (2014) 321-336; doi: 10.1080/08109028.2014.972135.

Han Woo Park, Jungwon Yoon, and Loet Leydesdorff, The Normalization of Co-authorship Networks in the Bibliometric Evaluation: The Government Stimulation Programs of China and Korea. Scientometrics 109(2) (2016) 1017-1036; doi: 10.1007/s11192-016-1978-2

Alexander M. Petersen, Daniele Rotolo, and Loet Leydesdorff, A Triple Helix Model of Medical Innovation: Supply, Demand, and Technological Capabilities in terms of Medical Subject Headings, Research Policy 45(3) (2016) 666-681; doi: 10.1016/j.respol.2015.12.004

Andreas Thor, Werner Marx, Loet Leydesdorff, and Lutz Bornmann, Introducing CitedReferencesExplorer (CRExplorer): A program for Reference Publication Year Spectroscopy with Cited References Standardization Disambiguation, Journal of Informetrics, 10(2) (2016) 503-515. doi: 10.1016/j.joi.2016.02.005; <software>

Andreas Thor, Werner Marx, Loet Leydesdorff, and Lutz Bornmann, New features of CitedReferencesExplorer (CRExplorer), Scientometrics 109(3) (2016) 2049-2051; doi:10.1007/s11192-016-2082-3

Gabriel Velez-Cuartas, Diana Lucio-Arias, and Loet Leydesdorff, Regional and Global Science: Latin American and Caribbean publications in the SciELO Citation Index and the Web of Science. El Profesional de la Información 25(1) (2016) 35-46.

Ping ZHOU and Loet Leydesdorff, A Comparative Study of the Citation Impact of Chinese Journals with Government Priority Support, Frontiers in Research Metrics and Analytics 1 (2016), Article 4; doi: 10.3389/frma.2016.00003

Ping ZHOU, Robert Tijssen, and Loet Leydesdorff, University-industry collaboration in China and the USA ― A bibliometric comparison. PLoS ONE, November 10, 2016; http://dx.doi.org/10.1371/journal.pone.0165277 , pp. 1-18

Qiuju ZHOU and Loet Leydesdorff, The Normalization of Occurrence and Co-occurrence Matrices in Bibliometrics using Cosine Similarities and Ochiai Coefficients, Journal of the Association for Information Science and Technology 67(11) (2016), 2805-2811; doi: 10.1002/asi.23603 ).

Sarah Tanksalvala, Knowledge-Based Economy puts Universities at the Heart of Entrepreneurship, Thomson Reuters: Trends in the Knowledge-based Economy , April 2016; at http://stateofinnovation.thomsonreuters.com/knowledge-based-economy-puts-universities-at-the-heart-of-entrepreneurship

"In debat over citeren te weinig oog voor kwaliteit werk Nijkamp", NRC, 14 mei 2016, p. W11.

2015

Can Intellectual Processes in the Sciences Also Be Simulated? The Anticipation and Visualization of Possible Future States, Scientometrics 105(3) (2015) 2197-2214; doi: 10.1007/s11192-015-1630-6 .

Can Technology Life-Cycles Be Indicated by Diversity in Patent Classifications? The Crucial Role of Variety, Scientometrics 105(3) (2015) 1441-1451; doi: 10.1007/s11192-015-1639-x

The Sciences are Discursive Constructs: The Communication Perspective as an Empirical Philosophy of Science. Pp. 553-562 in: Lorenzo Cantoni and James A. Danowski (Eds.), Communication and Technology, De Gruyter Mouton, 2015; doi:10.1515/9783110271355-032.

How Synergies in University-Industry-Government Relations Can Shape Innovation Systems, Theory Talk #68, March 11, 2015; <pdf>.

Loet Leydesdorff, Floortje Alkemade, Gaston Heimeriks, and Rinke Hoekstra, Patents as Instruments for Exploring Innovation Dynamics: Geographic and Technological Perspectives on "Photovoltaic Cells", Scientometrics 102(1) (2015) 629-651; doi: 10.1007/s11192-014-1447-8.

Loet Leydesdorff and Staša Milojevič, The Citation Impact of German Sociology Journals: Some Problems with the Use of Scientometric Indicators in Journal and Research Evaluations, Soziale Welt 66 (2015), 193-204.

Loet Leydesdorff and Staša Milojevič, Scientometrics, in: James D. Wright (editors-in-chief), International Encyclopedia of Social and Behavioral Sciences (2nd Edition), Section 8.5: Science and Technology Studies, Subsection 85030. Micheal Lynch (ed.), Vol. 21, pp. 322-327. Oxford: Elsevier, 2015.

Loet Leydesdorff, Félix de Moya-Anegón, and Vicente P. Guerrero-Bote, Journal Maps, Interactive Overlays, and the Measurement of Interdisciplinarity on the Basis of Scopus Data (1996-2012) [software], Journal of the Association of Information Science and Technology 66(5) (2015) 1001-1016.

Loet Leydesdorff, Evgeniy Perevodchikov, and Alexander Uvarov, Measuring Triple-Helix Synergy in the Russian Innovation Systems at Regional, Provincial and National Levels, Journal of the Association of Information Science and Technology 66(6) (2015) 1229-1238; doi: 10.1002/asi.23258 <open source>

Лоэт Лейдесдорф, Евгений Переводчиков, Александр Уваров, Измерение синергии Тройной спирали в российских инновационных системах на региональном, окружном и национальном уровнях

Lutz Bornmann and Loet Leydesdorff, Topical connections between institutions within an organisation (institutional co-authorships, direct citation links and co-citations). Scientometrics 102(1) (2015), 455-463; doi: 10.1007/s11192-014-1425-1.

Lutz Bornmann and Loet Leydesdorff, Does Quality and Content Matter for Citedness? A comparion with para-textual factors and over time , Journal of Informetrics 9(3) (2015) 414-429.

Lutz Bornmann and Loet Leydesdorff, Response to Stephen Holgate, EMBO Reports 16(3) (2015) 262; doi: 10.15252/embr.201440009

Lutz Bornmann, Caroline S. Wagner, and Loet Leydesdorff, BRICS countries and scientific excellence: A bibliometric analysis of most frequently-cited papers , Journal of the Association for Information Science and Technology 66(7), (2015) 1507-1513. doi: 10.1002/asi.23333.

Wouter de Nooy and Loet Leydesdorff, The Dynamics of Triads in Aggregated Journal-Journal Citation Relations: Specialty Developments at the Above-Journal Level, Journal of Informetrics 9(3), (2015) 542-554. doi: 10.1016/j.joi.2015.04.005

Robin Haunschild, Lutz Bornmann, and Loet Leydesdorff, Networks of readers and country status: An analysis of Mendeley reader statistics. Peer J Computer Science 1 (2015) e32; doi: 10.7717/peerj-cs.32

Inga A. Ivanova and Loet Leydesdorff, Knowledge-Generating Efficiency in Innovation Systems: The Relation between Structural and Temporal Effects, Technological Forecasting and Social Change 96 (July 2015) 254-265; doi: 10.1016/j.techfore.2015.04.001

Mark Johnson and Loet Leydesdorff, Beer’s Viable System Model and Luhmann’s Communication Theory: ‘Organizations’ from the Perspective of Metagames, Systems Research and Behavioral Science 32(3) (2015) 266-282; doi: 10.1002/sres.2222

Marcin Kozak, Lutz Bornmann, and Loet Leydesdorff, How have the Eastern European countries of the former Warsaw Pact developed since 1990? A bibliometric study , Scientometrics 102(2) (2015) 1101-1117, doi:10.1007/s11192-014-1439-8.

Balazs Lengyel, Tamás Sebestyén, and Loet Leydesdorff, Challenges for regional innovation policies in CEE countries: spatial concentration and foreign control of US patenting , Science and Public Policy 42(1) (2015) 1-14; doi: 10.1093/scipol/sct087

Balazs Lengyel and Loet Leydesdorff, The Effects of FDI (Foreign Direct Investment) on Innovation Systems in Hungarian Regions: Where is the Synergy Generated? Regional Statistics 5(1) (2015), 3-24; doi: 10.15196/RS05101 .

John Mingers and Loet Leydesdorff, Identifying Research Fields within Business and Management: A Journal Cross-Citation Analysis, Journal of the Operational Research Society 66(8), 1370–1384. doi: 10.1057/jors.2014.113.

John Mingers and Loet Leydesdorff, A Review of Theory and Practice in Scientometrics, European Journal of Operational Research 246(1) (2015) 1-19; doi: 10.1016/j.ejor.2015.04.002

Daniele Rotolo and Loet Leydesdorff, Matching MEDLINE/PubMed Data with Web of Science (WoS): A Routine in R-language, <software>, Journal of the Association for Information Science and Technology 66(10), (2015) 2155-2159; doi: 10.1002/asi.23385

Caroline S. Wagner, Lutz Bornmann, and Loet Leydesdorff, Recent Developments in China-U.S. Science Cooperation, Minerva 53(3), (2015) 199-214; doi: 10.1007/s11024-015-9273-6

Caroline S. Wagner, Han Woo Park, and Loet Leydesdorff, The Continuing Growth of Global Cooperation Networks in Research: A Conundrum for National Governments, PLoS ONE 10(7): e0131816. doi:10.1371/journal.pone.0131816 .

Qiuju ZHOU, Fuhai LENG, and Loet Leydesdorff (2015), The reflection of hierarchical cluster analysis of co-occurrence matrices in SPSS. Chinese Journal of Library and Information Science 8(2) (2015) 11-24.

Mutual Redundancies and Triple Contingencies among Perspectives on Horizons of Meaning, Extended abstract, International Society for Information Studies (IS4IS), Vienna, 3-7 June 2015. <presentation>

Leydesdorff, Loet (2015). The Triple Helix of Knowledge Production, Wealth Generation, and Normative Control: A Neo-evolutionary Model of Innovation Ecosystems. In Albert Ali Salah, Alkım Almıla Akdağ Salah, Cassidy Sugimoto, Umut Al (Eds.), 15th International Conference of the International Society of Scientometrics and Informetrics (pp. 2-3). Istanbul: Boğaziçi University.

Leydesdorff, L., Petersen, A. M., & Ivanova, I. A. (2015). The Generation and Self-organization of Meaning in the Communication of Information and Redundancy. In G. Kaniadakis (Ed.), 2nd International Electronic Conference on Entropy and Its Applications (ECEA-2); Section: Complex Systems; at http://sciforum.net/conference/77/paper/3264.

Lucio-Arias, Diana, Velez-Cuartas, Gabriel, & Leydesdorff, Loet (2015). SciELO Citation Index and Web of Science: Distinctions in the Visibility of Regional Science. In Albert Ali Salah, Alkım Almıla Akdağ Salah, Cassidy Sugimoto, Umut Al (Eds.), 15th International Conference of the International Society of Scientometrics and Informetrics (pp. 1152-1160). Istanbul: Boğaziçi Universitesi.

Ping ZHOU & Leydesdorff, Loet (2015). An International Comparison of the Citation Impact of Chinese Journals with Priority Funding. In Albert Ali Salah, Alkım Almıla Akdağ Salah, Cassidy Sugimoto, Umut Al (Eds.), 15th International Conference of the International Society of Scientometrics and Informetrics (pp. 160-171). Istanbul: Boğaziçi Universitesi.

2014

Niklas Luhmann’s Magnificent Contribution to the Sociological Tradition: The Emergence of the Knowledge-Based Economy as an Order of Expectations, in: Nachtflug der Eule: 150 Stimmen zum Werk von Niklas Luhmann. Gedenkbuch zum 15. Todestag von Niklas Luhmann (8. Dezember 1927 Lüneburg - 6. November 1998 Oerlinghausen), Magdalena Tzaneva (Ed.). Berlin: LiDi Europe Verlagshaus, 2013; Vol.2, pp. 470-484.

Science Visualization and Discursive Knowledge; <pdf>, In: Blaise Cronin & Cassidy Sugimoto (Eds.), Beyond Bibliometrics: Harnessing Multidimensional Indicators of Scholarly Impact (pp. 167-185). Cambridge, MA: MIT Press, 2014.

Hyperincursive Cogitata and Incursive Cogitantes: Scholarly Discourse as a Strongly Anticipatory System, International Journal of Computing Anticipatory Systems 28 (2014) 173-186.

Loet Leydesdorff & Petra Ahrweiler, In Search of a Network Theory of Innovations: Relations, Positions, and Perspectives, Journal of the American Society for Information Science and Technology 65(11) (2014) 2359-2374; <youtube presentation; St Petersburg, June 2014).

Loet Leydesdorff, Lutz Bornmann, Werner Marx, and Staša Milojevič, Referenced Publication Years Spectroscopy applied to iMetrics: Scientometrics, Journal of Informetrics, and a relevant subset of JASIST , Journal of Informetrics 8(1) (2014) 162-174.

Loet Leydesdorff and Robert L. Goldstone, Interdisciplinarity at the Journal and Specialty Level: The changing knowledge bases of the journal Cognitive Science, Journal of the Association for Information Science and Technology 65(1) (2014) 164-177.

Loet Leydesdorff and Inga A. Ivanova, Mutual Redundancies in Inter-human Communication Systems: Steps Towards a Calculus of Processing Meaning, Journal of the Association for Information Science and Technology 65(2) (2014) 386-399.

Loet Leydesdorff, Inga Ivanova, and Mark Johnson, The Communication of Expectations and Individual Understanding: Redundancy as Reduction of Uncertainty, and the Processing of Meaning, Kybernetes 43(9/10) (2014) 1362-1371.

Loet Leydesdorff, Gohar Feroz Khan, and Lutz Bornmann, The Generation of Large Networks from Web-of-Science Data, El Profesional de la Información 22(6) (2014) 589-593.

Loet Leydesdorff, Duncan Kushnir, and Ismael Rafols, Interactive Overlay Maps for US Patent (USPTO) Data Based on International Patent Classifications (IPC). Scientometrics 98(3) (2014) 1583-1599; doi: 10.1007/s11192-012-0923-2 .

Loet Leydesdorff and Han Woo Park, Can Synergy in Triple-Helix Relations Be Quantified? A Review of the Development of the Triple-Helix Indicator, Triple Helix: A Journal of University-Industry-Government Innovation and Entrepreneurship 1(4) (2014); open access at http://link.springer.com/article/10.1186/s40604-014-0004-z .

Loet Leydesdorff, Han Woo Park, and Balazs Lengyel, A Routine for Measuring Synergy in University-Industry-Government Relations: Mutual Information as a Triple-Helix and Quadruple-Helix Indicator, Scientometrics 99(1) (2014) 27-35; doi: 10.1007/s11192-013-1079-4

Loet Leydesdorff, Han Woo Park, and Caroline Wagner, International Co-authorship Relations in the Social Science Citation Index: Is Internationalization Leading the Network? Journal of the Association of Information Science and Technology 65(10) 2111-2126.

Loet Leydesdorff, Caroline S. Wagner, and Lutz Bornmann, The European Union, China, and the United States in the Top-1% and Top-10% Layers of Most-Frequently-Cited Publications: Competition and Collaborations, Journal of Informetrics 8(3) (2014) 606-617.

Loet Leydesdorff and Ping ZHOU, Measuring the Knowledge-Based Economy of China in terms of Synergy among Technological, Organizational, and Geographic Attributes of Firms, Scientometrics 98(3) (2014) 1703-1719; doi: 10.1007/s11192-013-1179-1 .

Jonathan Adams, Karen Gurney, Daniel Hook, and Loet Leydesdorff, International collaboration clusters in Africa, Scientometrics 98(1) (2014) 547-556; doi: 10.1007/s11192-013-1060-2 .

Susanne Baumgartner and Loet Leydesdorff, Group-Based Trajectory Modeling of Citations in Scholarly Literature: Dynamic Qualities of "Transient" and "Sticky Knowledge Claims", Journal of the Association for Information Science and Technology 65(4) (2014) 797-811.

Lutz Bornmann and Loet Leydesdorff, Scientometrics in a Changing Science Landscape, EMBO Reports 15(12) 1228-1232; doi: 10.15252/embr.201439608.

Lutz Bornmann, Loet Leydesdorff, and Jian Wang, How to improve the prediction based on citation impact percentiles for years shortly after the publication date? Journal of Informetrics 8(1) (2014), 175-180.

Chaomei Chen & Loet Leydesdorff, Patterns of Connections and Movements in Dual-Map Overlays: A New Method of Publication Portfolio Analysis, Journal of the Association for Information Science and Technology 65(2) (2014) 334-351.

Mark Deakin and Loet Leydesdorff (2014), The Triple Helix Model of Smart Cities: a neo-evolutionary perspective, pp. 134-149 in: Mark Deakin (Ed.), Smart Cities: Governing, modelling and analysing the transition. London/New York: Routledge.

Inga A. Ivanova & Loet Leydesdorff, L. (2014). A simulation model of the Triple Helix of university-industry-government relations and the decomposition of the redundancy. Scientometrics, 99(3), 927-948. doi: 10.1007/s11192-014-1241-7.

Inga A. Ivanova and Loet Leydesdorff, Rotational Symmetry and the Transformation of Innovation Systems in a Triple Helix of University-Industry-Government Relations. Technological Forecasting and Social Change 86 (2014) 143-156; http://dx.doi.org/10.1016/j.techfore.2013.08.022

Lin Z. Li, Loet Leydesdorff, Shoko Nioka, Nannan Sun and Eugene Garfield, Citation analysis of the scientific publications of Britton Chance in ISI citation indexes, Journal of Innovative Optical Health Sciences 8(2) (2014) 1430003 (14 pages); doi: 10.1142/S1793545814300031

Werner Marx, Lutz Bornmann, Andreas
th, and Loet Leydesdorff, Detecting the historical roots of research fields by reference publication year spectroscopy (RPYS). Journal of the Association for Information Science and Technology 65(4) (2014) 751-764.

Fred YE and Loet Leydesdorff, The "Academic Trace" of the Performance Matrix: A mathematical synthesis of the h-index and the Integrated Impact Indicator (I3), Journal of the Association for Information Science and Technology 65(4) (2014) 742-750.

Ying YE, Loet Leydesdorff, Yishan WU, 三螺旋模型及其量化分析方法研讨 (A Discussed Study on the Triple Helix with Its Quantitative Analysis Method). China Soft Science, (2014), Issue 11; pp. 131-139.

Can Inter-human Communications be Modeled as Autopoietic? Open Peer Commentary to: Hugo Urrestarazu, “Social Autopoiesis?” Constructivist Foundations 9(2) (2014) 168-170.

Lutz Bornmann and Loet Leydesdorff, On the meaningful and non-meaningful use of reference sets in bibliometrics. Letter to the Editor of the Journal of Informetrics 8(1) (2014) 273-275.

The Triple Helix, the Complexity of Technological Innovations, and the Decomposition of National Innovation Systems. An interview with Loet Leydesdorff by Ruth Knoblich. Pp. 251-258 in: Maximilian Mayer, Mariana Carpes, and Ruth Knoblich (Eds.), The Global Politics of Science and Technology Volume I: Concepts from International Relations and Other Disciplines. Berlin: Springer, 2014.

Han Woo Park, An interview with Loet Leydesdorff: the past, present, and future of the triple helix in the age of big data, Scientometrics 99(1) (2014) 199-202; http://dx.doi.org/10.1007/s11192-013-1123-4.

Li Jie, Bibliometric analysis of Loet Leydesdorff`s publications, blog, 20 March 2014.

De choreometrie van universiteit-industrie-overheidsrelaties: een dans rond de mousse-aux-trois-chocolats, in: Henk de Regt & Chunglin Kwa (Eds.), Building Bridges - Connecting Science, Technology and Philosophy. Amsterdam: VU University Press, 2014, pp. 85-88.

2013

Triple Helix of University-Industry-Government Relations, in: Elias G. Carayannis (Ed.), Encyclopedia of Creativity, Innovation, and Entrepreneurship, New York: Springer, 2013, pp. 1844-1851; with an additional note on N-Tuple of Helices, in: ibidem, pp. 1400-1402.

Statistics for the Dynamic Analysis of Scientometric Data: The evolution of the sciences in terms of trajectories and regimes, Scientometrics 96(3) (2013) 731-741; doi: 10.1007/s11192-012-0917-0. <pdf>

Sociological and Communication-Theoretical Perspectives on the Commercialization of the Sciences, Science & Education 22(10) (2013) 2511-2527; doi: 10.1007/s11191-012-9458-4 <open access>.

An Evaluation of Impacts in "Nanoscience & nanotechnology:" Steps towards standards for citation analysis, Scientometrics 94(1) (2013) 35-55; <open access> .

Loet Leydesdorff, Stephen Carley, and Ismael Rafols, Global Maps of Science based on the new Web-of-Science Categories, Scientometrics 94(2) (2013) 589-593; <open access> [software]

Loet Leydesdorff & Martin Meyer, A Reply to Etzkowitz' Comments to Leydesdorff & Martin (2010): Technology Transfer and the End of the Bayh-Dole Effect, Scientometrics 97(3) (2013), 927-934; doi: 10.1007/s11192-013-0997-5.

Loet Leydesdorff & Tobias Opthof, Citation Analysis using the Medline Database at the Web of Knowledge: Searching "Times Cited" with Medical Subject Headings (MESH), Journal of the American Society for Information Science and Technology 64(5) (2013), 1076-1080.

Loet Leydesdorff, Filippo Radicchi, Lutz Bornmann, Claudio Castellano, and Wouter de Nooy, Field-normalized Impact Factors: A Comparison of Rescaling versus Fractionally Counted IFs, Journal of the American Society for Information Science and Technology 64(11) (2013) 2299-2309. [Field-normalized impact factors are available from here.]

Loet Leydesdorff, Ismael Rafols, and Chaomei Chen, Interactive Overlays of Journals and the Measurement of Interdisciplinarity on the basis of Aggregated Journal-Journal Citations; Journal of the American Society for Information Science and Technology 64(12) (2013) 2573-2586; <software>

Loet Leydesdorff, Daniele Rotolo, and Wouter de Nooy, Innovation as a Nonlinear Process, the Scientometric Perspective, and the Specification of an "Innovation Opportunities Explorer.", Technology Analysis and Strategic Management 25(6) (2013) 641-653; http://dx.doi.org/10.1080/09537325.2013.801948 .

Loet Leydesdorff & Øivind Strand, The Swedish System of Innovation: Regional Synergies in a Knowledge-Based Economy, Journal of the American Society for Information Science and Technology 64(9) 1890-1902; DOI: 10.1002/asi.22895.

Loet Leydesdorff, Caroline S. Wagner, Han Woo Park, and Jonathan Adams, International Collaboration in Science: The Global Map and the Network, El Profesional de la Información 22(1) (2013) 87-94. [Spanish version available at http://www.elprofesionaldelainformacion.com/contenidos/2013/enero/07_esp.pdf ]

Loet Leydesdorff, Ping Zhou, and Lutz Bornmann, How can Journal Impact Factors be Normalized across Fields of Science? An Assessment in terms of Percentile Ranks and Fractional Counts, Journal of the American Society for Information Science and Technology 64(1) (2013) 96-107.

Does the specification of uncertainty hurt the progress of scientometrics? Journal of Informetrics 7(2) (2013) 292-293 [in reply to Schneider, 2012].

The revised SNIP indicator of Elsevier's Scopus, Letter to the Editor of the Journal of Informetrics 7(4) (2013) 859-860.

Lutz Bornmann, Loet Leydesdorff, and Jian Wang, 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), Journal of Informetrics 7(4) (2013), 933-944.

Lutz Bornmann & Loet Leydesdorff, Macro-indicators of citation impacts of six prolific countries: InCites data and the statistical significance of trends, PLoS ONE 8(2) (2013): e56768.; doi:10.1371/journal.pone.0056768.

Lutz Bornmann & Loet Leydesdorff, The validation of (advanced) bibliometric indicators through peer assessments: A comparative study using data from InCites and F1000, Journal of Informetrics 7(2) (2013) 286-291.

Lutz Bornmann & Loet Leydesdorff, Statistical Tests and Research Assessments: A comment on Schneider (2012), Journal of the American Society for Information Science and Technology 64(6) 1306-1308; <pdf>

Lutz Bornmann, Loet Leydesdorff & Rüdiger Mutz, The use of percentiles and percentile rank classes in the analysis of bibliometric data: opportunities and limits. Journal of Informetrics 7(1) (2013) 158-165.

Wilfred Dolfsma & Loet Leydesdorff, Patentkaart van Nederland in aantal en kwaliteit, ESB 98 (4652), 25 januari 2013, pp. 42-44.

Staša Milojević & Loet Leydesdorff, Information Metrics (iMetrics): A Research Specialty with a Socio-Cognitive Identity? Scientometrics 95(1) (2013) 141-157.

Han Woo Park and Loet Leydesdorff, Decomposing Social and Semantic Networks in Emerging “Big Data” Research, Journal of Informetrics 7(3) (2013) 756-766.

Øivind Strand and Loet Leydesdorff, Where may Synergy be Indicated in the Norwegian Innovation System? Triple-Helix Relations among Technology, Organization, and Geography, Technology Forecasting and Social Change 80(3) (2013) 471-484; available at http://dx.doi.org/10.1016/j.techfore.2012.08.010

Bas van Heur, Loet Leydesdorff, and Sally Wyatt, Turning to Ontology in STS? Turning to STS through 'Ontology'. Social Studies of Science 43(3) (2013) 341-362.

Michelina Venditti, Emanuela Reale, & Loet Leydesdorff, The Disclosure of University Research for Societal Demand: A Non-Market Perspective on the “Third Mission” Science & Public Policy 40(6) (2013) 792-800; http://www.leydesdorff.net/pescara-chieti/

Erjia Yan, Ying Ding, Blaise Cronin, and Loet Leydesdorff, A bird’s-eye view of scientific trading: Dependency relations among fields of science, Journal of Informetrics 7(2) (2013) 249-264.

Fred Y. Ye, Susan S. Yu, and Loet Leydesdorff, The Triple Helix of University-Industry-Government Relations at the Country Level, and Its Dynamic Evolution under the Pressures of Globalization, Journal of the American Society for Information Science and Technology 64(11) (2013), 2317-2325.

ИНСТИТУЦИОНАЛЬНОЕ МОДЕЛИРОВАНИЕ ИННОВАЦИОННОГО РАЗВИТИЯ: ОТ ТРОЙНОЙ К N-СПИРАЛЯМ, translated by Marina Leonova; Conference "Marketing and Society," Kazan, 2013, pp. 97-99.

Le relazioni tra universitfnbsp;, aziende e pubblica amministrazione nella regione Abruzzo e lo sviluppo de una knowledge-based economy. Pp. 15-21 in: Sviluppo nella globalizatione o... povertfnbsp;. UnionCamere Abruzzo, Teramo. [English original; translated by Emilia Ferone.]

2012:

Radical Constructivism and Radical Constructedness: Luhmann's Sociology of Semantics, Organizations, and Self-Organization, Constructivist Foundations 8(1) (2012) 85-92 [with discussion section and author's responses on pp 93-102: Kate Distin, Symbolically Generalized Communication Media: A Category Mistake?; Roger Harnden, Some Reflections on Meaning, pp. 95-97; Author's Response: The Continuous Reconstruction of a Pluralistic Society as an Order of Expectations, pp. 97-99; bibliography: pp. 100-102.]; http://www.univie.ac.at/constructivism/journal/articles/8/1/085.leydesdorff.pdf

Alternatives to the Journal Impact Factor: I3 and the Top-10% (or Top-25%?) of the Most-Highly Cited Papers, Scientometrics 92(2) (2012) 355-365; doi: 10.1007/s11192-012-0660-6 <printed version>

The Triple Helix, Quadruple Helix, ..., and an N-tuple of Helices: Explanatory Models for Analyzing the Knowledge-based Economy, Journal of the Knowledge Economy 3(1) (2012) 25-35; doi: 10.1007/s13132-011-0049-4); <printed version>

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, El Profesional de la Información 21(1) (2012), 43-49; Comparación y Predicción de las Cuotas Mundiales de Publicación de los EUA, EU-27 y China usando la nueva Interfáz Web of Science versus Scopus [versión en español]

McCall's Area Transformation versus the Integrated Impact Indicator (I3), Journal of Informetrics 6(4) (2012) 513-514.

Accounting for the Uncertainty in the Evaluation of Percentile Ranks, Journal of the American Society for Information Science and Technology 63(11) (2012) 2349-2350. [software]

"Scientometrics [Elm-sanji]". Translated into Persian by Mahsa Nikzad. pp. 3-13, in Khabarnameye Elm-sanji [Scientometrics Newsletter]. No. 6. Tehran: Iranian Research Institute for Information Science and Technology; <http://www.irandoc.ac.ir/Irandoc/files/file/faculties/Scientometric-Newsletter-Summer91-6.pdf>

Loet Leydesdorff and Lutz Bornmann, Mapping (USPTO) Patent Data using Overlays to Google Maps, Journal of the American Society for Information Science and Technology 63(7) (2012) 1442-1458. [software]

Loet Leydesdorff and Lutz Bornmann, Testing Differences Statistically with the Leiden Ranking, Scientometrics 92(3) (2012), 781-783; doi: 10.1007/s11192-012-0636-6 <printed version>

Loet Leydesdorff and Lutz Bornmann, Percentile Ranks and the Integrated Impact Indicator (I3), Journal of the American Society for Information Science and Technology 63(9) (2012), 1901-1902..

Loet Leydesdorff and Lutz Bornmann, The Integrated Impact Indicator (I3), the top-10% Excellence Indicator, and the use of non-parametric statistics, Research Trends, Issue 29, July 2012.

Loet Leydesdorff and Ulrike Felt, Edited Volumes, Monographs, and Book Chapters in the Book Citation Index (BCI) and Science Citation Index (SCI, SoSCI, A&HCI), Journal of Scientometric Research 1(1) (2012) 28-34.

Loet Leydesdorff & Tobias Opthof, A Rejoinder on Energy versus Impact Indicators, Scientometrics 90(2) (2012), 745-748; doi: 10.1007/s11192-011-0502-y.

Loet Leydesdorff & Ismael Rafols, Interactive Overlays: A New Method for Generating Global Journal Maps from Web-of-Science Data, Journal of Informetrics 6(3) (2012), 318-332. [software]

Loet Leydesdorff, Daniele Rotolo, and Ismael Rafols, Bibliometric Perspectives on Medical Innovation using the Medical Subject Headings (MeSH) of PubMed, Journal of the American Society for Information Science and Technology 63(11) (2012) 2239-2253. [software ]

Alireza Abbasi, Liaquat Hossain, and Loet Leydesdorff, Betweenness Centrality as a Driver of Preferential Attachment in the Evolution of Research Collaboration Networks, Journal of Informetrics 6(3), (2012) 403-412.

Lutz Bornmann and Loet Leydesdorff, Which cities' paper output and citation impact are above expectation in information science? Some improvements of our previous mapping approaches, Journal of Informetrics 6(2) (2012) 336-345.

Lutz Bornmann, Felix de Moya-Anegón, and Loet Leydesdorff, The new excellence indicator in the World Report of the SCImago Institutions Rankings 2011. Journal of Informetrics 6(3) (2012) 333-335.

Lutz Bornmann, Loet Leydesdorff, and Günter Krampen, Which are the best cities for psychology research worldwide? A map visualizing city ratios of observed and expected numbers of highly-cited papers. European Journal of Psychology 8(4), (2012)535-546, doi: 10.5964/ejop.v8i4.482. <open access>

Gaston Heimeriks and Loet Leydesdorff, Emerging Search Regimes: Measuring Co-evolutions among Research, Science, and Society, Technology Analysis and Strategic Management 24(1) (2012) 51-67.

Ki-Seok Kwon, Han Woo Park, Minho So, and Loet Leydesdorff, 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, Scientometrics 90(1) (2012) 163-176; doi: 10.1007/s11192-11011-10512-11199.

Gangan Prathap and Loet Leydesdorff, The world of science according to performance indicators based on percentile ranking normalization, Journal of Scientometric Research 1(1) (2012) 53-59.

Ismael Rafols, Loet Leydesdorff, Alice O'Hare, Paul Nightingale, & Andy Stirling, How journal rankings can suppress interdisciplinary research. A comparison between innovation studies and business & management, Research Policy 41(7) (2012), 1262-1282.

Alkim Almila Akdag Salah & Loet Leydesdorff, The Development of the Journal Environment of Leonardo, Leonardo 45(1) (2012), 88-89.

Robert D. Shelton and Loet Leydesdorff, Publish or Patent: Bibliometric evidence for empirical trade-offs in national funding strategies, Journal of the American Society for Information Science and Technology 63(3) (2012), 498-511.

Vlieger, Esther, and Loet Leydesdorff, Visualization and Analysis of Frames in Collections of Messages: Content Analysis and the Measurement of Meaning, in: Manuel Mora, Ovsei Gelman, Annette Steenkamp, and Maresh S. Raisinghani (Eds.), Research Methodologies, Innovations and Philosophies in Systems Engineering and Information Systems, Hershey PA: Information Science Reference, 2012, pp. 321-339, doi: 10.4018/978-1-4666-0179-6.ch16.

Caroline Wagner and Loet Leydesdorff, An Integrated Impact Indicator (I3): A new definition of "impact" with policy relevance, Research Evaluation 21(3), 183-188.

Loet Leydesdorff & Øivind Strand, Triple-Helix Relations and Potential Synergies Among Technologies, Industries, and Regions in Norway, Procedia - Social and Behavioral Sciences 52 (2012) 1-4.

Is Communication Emerging or Sui Generis? Construvist Foundations, 8(1) (2012), 111-112 [Commentary to Manfred Füllsack, Communication Emerging? pp. 103-110.]

2011

"Meaning" as a sociological concept: A review of the modeling, mapping, and simulation of the communication of knowledge and meaning, Social Science Information 50(3-4) (2011) 391-413; <pdf-version>

De Ontwikkeling van Kennis in Wetenschappelijke Communicatie: Onzekerheid en Codificatie in Anticipatorische Systemen [The development of knowledge in scholarly discourse: Uncertainty and codification in anticipatory systems], Inaugural lecture (in Dutch), June 30, 2011.

"Structuration" by Intellectual Organization: The Configuration of Knowledge in Relations among Scientific Texts, Scientometrics 88(2) (2011) 499-520.

Bibliometrics/Citation networks, in: George A. Barnett (Ed.), The Encyclopedia of Social Networks, Sage, 2011, Vol. I, pp. 72-74.

Датэрміновае сістэмы і апрацоўкі сэнсу, [Anticipatory Systems and the Processing of Meaning: A Simulation Inspired by Luhmann's Theory of Social Systems. Journal of Artificial Societies and Social Simulation, Vol. 8, No. 2 (2005) Paper 7; translated into Belorussian by Martha Ruszkowski and W.H. Geeks.

Este societatea un sistem de auto-organizare? [Is Society a Self-Organizing System? Journal for Social and Evolutionary Systems 16 (1993) 331-349; translated into Rumanian by Alexander Ovsov].

Loet Leydesdorff & Lutz Bornmann, Integrated Impact Indicators (I3) compared with Impact Factors (IFs): An alternative design with policy implications. Journal of the American Society for Information Science and Technology, 62(11) 2133-2146.

Loet Leydesdorff & Lutz Bornmann, How fractional counting affects the Impact Factor: Normalization in terms of differences in citation potentials among fields of science, Journal of the American Society for Information Science and Technology 62(2) 217-229; <pdf-version>

Loet Leydesdorff, Lutz Bornmann, Rüdiger Mutz, and Tobias Opthof, Turning the Tables of Citation Analysis One More Time: Principles for comparing sets of documents, Journal of the American Society for Information Science and Technology 63(7) (2011) 1370-1381.

Loet Leydesdorff & Mark Deakin, The Triple Helix Model and the Meta-Stabilization of Urban Technologies in Smart Cities, Journal of Urban Technology 18(2) (2011) 53-63; <pdf-version>

Loet Leydesdorff, Björn Hammarfelt, and Alkim Almila Akdag Salah, The structure of the Arts & Humanities Citation Index: A mapping on the basis of aggregated citations among 1,157 journals Journal of the American Society for Information Science and Technology 62(12) (2011) 2414-2426.

Loet Leydesdorff & Tobias Opthof, Scopus' SNIP Indicator: Reply to Moed, Journal of the American Society for Information Science and Technology 62(1) (2011), 214-215.

Loet Leydesdorff & Tobias Opthof, Remaining problems with the “New Crown Indicator” (MNCS) of the CWTS, Letter to the Editor, Journal of Informetrics 5 (2011) 224-225; <pdf version>

Loet Leydesdorff & Ismael Rafols, Indicators of the Interdisciplinarity of Journals: Diversity, Centrality, and Citations, Journal of Informetrics 5(1) (2011) 87-100; <pdf version>

Loet Leydesdorff & Ismael Rafols, How do emerging technologies conquer the world? An exploration of patterns of diffusion and network formation, Journal of the American Society for Information Science and Technology 62(5) (2011) 846-860; <pdf-version>

Loet Leydesdorff & Jung C. Shin, How to evaluate universities in terms of their relative citation impacts: Fractional counting of citations and the normalization of differences among disciplines, Journal of the American Society for Information Science and Technology, 62(6) (2011) 1146-1155; <pdf version>

Loet Leydesdorff & Esther Vlieger, Visualizing Meaning: Steps towards Visualization of the Communication of Meaning, SemiotiX XN-5 (2011).

Loet Leydesdorff & Kasper Welbers, The semantic mapping of words and co-words in contexts, Journal of Informetrics 5(3) (2011), 469-475; <pdf-version>; doi: 10.1016/j.joi.2011.01.008

Lutz Bornmann and Loet Leydesdorff, Which cities produce worldwide excellent papers more than expected? A new mapping approach—using Google Maps—based on statistical significance testing. Journal of the American Society for Information Science and Technology 62(10) (2011) 1954-1962; [software & manual]

Lutz Bornmann, Loet Leydesdorff, Christiane Walch-Solimena, and Christoph Ettl, Mapping excellence in the geography of the sciences: An approach made possible by using Scopus data, Journal of Informetrics, 5(4), 537-546; [software and manual]

Wilfred Dolfsma & Loet Leydesdorff, Innovation Systems as Patent Networks: The Netherlands, India and Nanotech, Innovation-Management, Policy & Practice 13(3) (2011) 311-326.

Balázs Lengyel & Loet Leydesdorff, Regional Innovation Systems in Hungary: The Failing Synergy at the National Level, Regional Studies 45(5) (2011), 677-693; <pdf-version>

Tobias Opthof and Loet Leydesdorff, Citation analysis cannot legitimate the strategic selection of excellence. [A comment to the paper by Waltman et al., Scientometrics, 87, 467-481], Scientometrics 88(3) (2011) 1011-1016.

Ronald Rousseau and Loet Leydesdorff, Simple Arithmetic versus Intuitive Understanding: The case of the impact factor, ISSI Newsletter 7(1) (2011) 10-14; pdf-version

SHI Aolan and Loet Leydesdorff, What do Cited and Citing Environments Reveal about Advances in Atmospheric Physics? Advances in Atmospheric Physics, 28(1), 2011, 238-244.

Esther Vlieger & Loet Leydesdorff, Content Analysis and the Measurement of Meaning: The Visualization of Frames of Collections of Messages, The Public Journal of Semiotics 3(1) (2011) 28-50.

Zhou, Ping & Loet Leydesdorff, Fractional counting of citations in research evaluation: A cross- and interdisciplinary assessment of the Tsinghua University in Beijing, Journal of Informetrics 5(3) (2011) 360-368..

Book review: Matthias Gross, Ignorance and Surprise: Science, Society, and Ecological Design. Cambridge, MA: MIT Press, 2010; US$ 30; American Journal of Sociology 116(6) (2011) 2022-2024.

Book review: Katy Börner, Atlas of Science: Visualizing What We Know. Cambridge, MA/ London UK: The MIT Press, 2010; US$ 20; Scientometrics 88(2) (2011) 675-677.

Manfred Bonitz and the Matthew Effect: Quantitative Content Analysis of Citation Contexts, ISSI Newsletter Vol. 25-S, March 2011.

When can the cross-over between China and the USA be expected using Scopus data? Research Trends, Issue 25, November 2011.

2010

Communicative Competencies and the Structuration of Expectations: The creative tension between Habermas’ critical theory and Luhmann’s social systems theory, Complicity 7(2) (2010) 66-76 ; <pdf version >

Eugene Garfield and Algorithmic Historiography: Co-Words, Co-Authors, and Journal Names, Annals of Library and Information Studies 57(3) (2010) 248-260; <pdf-version>

The Communication of Meaning and the Structuration of Expectations: Giddens' "structuration theory" and Luhmann's "self-organization," Journal of the American Society for Information Science and Technology 61(10) (2010) 2138-2150; <pdf-version>

Redundancy in Systems which Entertain a Model of Themselves: Interaction Information and the Self-Organization of Anticipation, Entropy 12(1) (2010) 63-79; <pdf>

Luhmann Reconsidered: Steps towards an empirical research program in the sociology of communication, in: Colin Grant (ed.), Beyond Universal Pragmatics: Essays in the Philosophy of Communication. Oxford: Peter Lang, pp. 149-173. <pdf-version>

Loet Leydesdorff & Alkim Almila Akdag Salah, Maps on the basis of the Arts &Humanities Citation Index: the journals Leonardo and Art Journal, and "Digital Humanities" as a topic, Journal of the American Society for Information Science and Technology 61(4) (2010) 787-801, <pdf-version>

The Knowledge-Based Economy and the Triple Helix Model, Annual Review of Information Science and Technology, Blaise Cronin (Ed.); 44 (2010) 367-417; <pdf-version>

Loet Leydesdorff & Tobas Opthof, Scopus’s Source Normalized Impact per Paper (SNIP) versus a Journal Impact Factor based on Fractional Counting of Citations, Journal of the American Society for Information Science & Technology 61(11) (2010) 2365-2396; DOI: 10.1002/asi.21371); <pdf-version>; Scopus' SNIP Indicator (Rejoinder), Journal of the American Society for Information Science & Technology (in print).

Loet Leydesdorff, Félix de Moya-Anegón, and Vicente P. Guerrero-Bote, Journal Maps on the Basis of Scopus Data: A Comparison with the Journal Citation Reports of the ISI. Journal of the American Society for Information Science and Technology, 61(2) (2010) 352-369; DOI: 10.1002/asi.21250; <pdf-version>.

Loet Leydesdorff & Olle Persson, Mapping the Geography of Science: Distribution Patterns and Networks of Relations among Cities and Institutes, Journal of the American Society for Information Science & Technology 61(8) (2010) 1622-1634; <pdf-version> <software and manual>

Loet Leydesdorff & Martin Meyer, The Decline of University Patenting and the End of the Bayh-Dole Effect, Scientometrics 83(2) (2010) 355-362; <pdf-version>

Loet Leydesdorff & Martin Meyer, 东北大学学报（社会科学版）[The Triple Helix Model and the Knowledge-Based Economy,] Journal of Northeastern University (Social Science), 12(1), 2010, 11-18.

Loet Leydesdorff & Girma Zawdie, The Triple Helix Perspective of Innovation Systems, Technology Analysis & Strategic Management 22(7) (2010) 789-804; <pdf-version>

"What Can Heterogeneity Add to the Scientometric Map? Steps towards algorithmic historiography". Pp. 283-289 in: Débordements: Mélanges offerts fnbsp; Michel Callon, Madeleine Akrich, Yannick Barthe, Fabian Muniesa, and Philip Mustar (Eds.). Paris: École Nationale Supérieure des Mines, Presses des Mines, 2010; <pdf-version>

“The Emergence of Nanotechnology”, Places & Spaces: Mapping Science Exhibit; launched at Nov 16-17, Royal Society Global Science Report Launch Conference, Kavli Royal Society International Center, London, England (David Stilgoe and Katy Börner); online at http://scimaps.org/maps/map/the_emergence_of_nan_121/

Lutz Bornmann, Felix de Moya-Anegón, & Loet Leydesdorff, Do Scientific Advancements Lean on the Shoulders of Giants? A Bibliometric Investigation of the Ortega Hypothesis. PLoS ONE 5(10) (2010) e13327. (See also: Zoe Corbyn, "To be the best, cite the best", Nature, 13 October 2010; at http://www.nature.com/news/2010/101013/full/news.2010.539.html.)

Lutz Bornmann, Loet Leydesdorff, & Peter van den Besselaar, A Meta-evaluation of Scientific Research Proposals: Different Ways of Comparing Rejected to Awarded Applications. Journal of Informetrics 4(3) (2010) 211-220; <pdf-version>

Wilfred Dolfsma & Loet Leydesdorff, The Citation Field of Evolutionary Economics, Journal of Evolutionary Economics 20(5) (2010), 645-664..

Iina Hellsten, James Dawson, & Loet Leydesdorff, Implicit Media Frames: Automated analysis of public debate on artificial sweeteners, Public Understanding of Science 19(5) (2010) 590-608; <pdf-version>

Willem Halffman & Loet Leydesdorff, Is Inequality among Universities Increasing? Gini Coefficients and the Elusive Rise of Elite Universities, Minerva 48(1) (2010) 55-72; <pdf-version>

Tobias Opthof & Loet Leydesdorff, Caveats for the journal and field normalizations in the CWTS ("Leiden") evaluations of research performance, Journal of Informetrics 4(3) (2010) 423-430; <pdf-version>

Loet Leydesdorff & Tobias Opthof, Normalization at the field level: fractional counting of citations (Rejoinder), Journal of Informetrics 4(4) (2010) 644-646.

Han Park & Loet Leydesdorff, Longitudinal Trends in Networks of University-Industry-Government Relations in South Korea: The Role of Programmatic Incentives, Research Policy 39(5) 640-649; <pdf-version>.

Ismael Rafols, Alan Porter & Loet Leydesdorff, Science overlay maps: a new tool for research policy and library management, Journal of the American Society for Information Science & Technology 61(9) (2010) 1871-1887; <pdf-version> <software and manual>.

Ping Zhou, Xinning Su & Loet Leydesdorff, A comparative study on communication structures of Chinese journals in the social sciences, Journal of the American Society for Information Science & Technology 61(7) 1360-1376.

Loet Leydesdorff, Wilfred Dolfsma, & Gerben van der Panne, Measuring the knowledge base of an economy in terms of triple-helix relations, in: Ricardo Viale and Henry Etzkowitz (eds.), The Capitalization of Knowledge. Cheltenham, UK/ Northampton, MA: Edward Elgar, pp. 291-311.

Journals, in: David H. Guston, Encyclopedia of Nanoscience and Society. London: Sage, 2010; pp. 380f. <pdf-version>

2009

How are new citation-based journal indicators adding to the bibliometric toolbox?, Journal of the American Society for Information Science and Technology 60(7) (2009) 1327-1336; <pdf-version>

The Non-linear dynamics of meaning-processing in social systems, Social Science Information, 48(1) (2009) 5-33. <pdf-version>

Interaction Information: Linear and Nonlinear Interpretations, Intern. Journal of General Systems 38(6) (2009) 681-685.

Loet Leydesdorff & Caroline Wagner, Macro-level Indicators of the Relations between Research Funding and Research Output; Journal of Informetrics 3(4) (2009), 353-362, http://dx.doi.org/10.1016/j.joi.2009.05.005; <pdf-version>

Loet Leydesdorff & Sander Franse, The communication of meaning in social systems, Systems Research and Behavioral Science 26(1) (2009) 109-117; <pdf-version>

Loet Leydesdorff & Carole Probst, The delineation of an interdisciplinary specialty in terms of a journal set: the case of Communication Studies, Journal of the American Society for Information Science and Technology 60(8) (2009) 1709-1718; <pdf-version>

Loet Leydesdorff & Yuan Sun, National and International Dimensions of the Triple Helix in Japan: University-Industry-Government versus International Co-Authorship Relations, Journal of the American Society for Information Science and Technology 60(4) (2009) 778-788; <pdf-version>

Loet Leydesdorff & Ismael Rafols, A Global Map of Science Based on the ISI Subject Categories, Journal of the American Society for Information Science and Technology 60(2) (2009) 348-362; <pdf-version>; <interactive maps of science> <map of science kit for overlays>

Loet Leydesdorff & Caroline Wagner, Is the United States losing ground in science? A global perspective on the world science system (updated for 2006), Scientometrics 78(1) (2009) 23-36. <pdf-version>

Diana Lucio-Arias & Loet Leydesdorff, An Indicator of Research Front Activity: Measuring Intellectual Organization as Uncertainty Reduction in Document Sets, Journal of the American Society for Information Science & Technology 60(12) (2009) 2488-2498; <pdf-version> <software>.

Ricardo Arencibia-Jorge, Loet Leydesdorff , Zaida Chinchilla-Rodríguez, Ronald Rousseau, and Soren W. Paris, Retrieval of very large numbers of items in the Web of Science: an exercise to develop accurate search strategies. El Profesional de la Información 18(5) (2009) 555-559.

Peter van den Besselaar & Loet Leydesdorff, Past Performance, Peer Review and Project Selection in the Social Sciences, Research Evaluation 18(4) (2009) 273-288; <pdf-version>

Diana Lucio-Arias & Loet Leydesdorff, The Dynamics of Exchanges and References among Scientific Texts, and the Autopoiesis of Discursive Knowledge, Journal of Informetrics 3(3) (2009) 261-271; <pdf-version>

Wilfred Dolfsma & Loet Leydesdorff, Lock-In and Break-Out from Technological Trajectories: Modeling and Policy Implications, Technological Forecasting and Social Change 76(7) (2009) 932-941; http://dx.doi.org/10.1016/j.techfore.2009.02.004; <pdf-version>

Ismael Rafols & Loet Leydesdorff, Content-based and Algorithmic Classifications of Journals: Perspectives on the Dynamics of Scientific Communication and Indexer Effects, Journal of the American Society for Information Science and Technology 60(9) (2009) 1823-1835; <pdf-version>

Leo Egghe & Loet Leydesdorff, The relation between Pearson's correlation coefficient r and Salton's cosine measure, Journal of the American Society for Information Science and Technology 60(5) (2009) 1027-1036. <pdf-version>

Steven Bensman & Loet Leydesdorff, Definition and Identification of Journals as Bibliographic and Subject Entities: Librarianship vs. ISI Journal Citation Reports (JCR) Methods and Their Effect on Citation Measures, Journal of the American Society for Information Science and Technology 60(6) (2009) 1097-1117.

Ping Zhou & Loet Leydesdorff, Chemistry in China -- a bibliometric view, Chemistry Today 27(6) (2009) 18-22.

Han Park & Loet Leydesdorff, Knowledge linking structures in communication studies using citation analysis among communication journals, Scientometrics 81(1) (2009) 157-175, <pdf-version>

Leydesdorff, L. (2009). Modelling ‘Triple Contingency’. In S. Ó. Tuama (Ed.), Critical Turns in Critical Theory (pp. 165-167). London/New York: I.B. Tauris Academic Studies. <pdf-version> < html >

Loet Leydesdorff & Wilfred Dolfsma, Van onderzoeksinput naar -output, Economisch Statistische Berichten ESB 94(4564), 10 juli 2009, pp. 426-427.

Wilfred Dolfsma & Loet Leydesdorff, Economie en bedrijfskunde evalueren, Economisch Statistische Berichten ESB 94(4559), 1 mei 2009, pp. 280-282.

2008

Configurational Information as Potentially Negative Entropy: The Triple Helix Model, Entropy 10(4), 391-420, 2008; <pdf-version>

The Communication of Meaning and Knowledge in a Knowledge-Based Economy, Guest Column, SemiotiX nr. 13, at http://www.semioticon.com/semiotix/semiotix13/sem-13-02.html

Loet Leydesdorff, Thomas Schank, Andrea Scharnhorst, & Wouter De Nooy, Animating the development of Social Networks over time using a dynamic extension of multidimensional scaling. El Profesional de la Información 17(6) (2008) 611-626.

Loet Leydesdorff & Thomas Schank, Dynamic Animations of Journal Maps: Indicators of Structural Change and Interdisciplinary Developments, Journal of the American Society for Information Science and Technology 59(11), 1810-1818, 2008. <pdf-version>; <software>

Loet Leydesdorff & Caroline Wagner, International collaboration in science and the formation of a core group, Journal of Informetrics 2(4) (2008) 317-325 <pdf-version> <http://dx.doi.org/10.1016/j.joi.2008.07.003>

Patent Classifications as Indicators of Intellectual Organization, Journal of the American Society for Information Science and Technology 59(10), 1582-1597, 2008; <pdf-version>

Caveats for the Use of Citation Indicators in Research and Journal Evaluations, Journal of the American Society for Information Science and Technology 59(2), 278-287, 2008. <pdf-version>

Measuring Research Output with Science & Technology Indicators, Scirus Topics Page, June 4, 2008.

The delineation of nanoscience and nanotechnology in terms of journals and patents: a most recent update. Scientometrics 76(1), 159-167, 2008. <pdf-version>

On the Normalization and Visualization of Author Co-citation Data: Salton's cosine versus the Jaccard Index, Journal of the American Society for Information Science and Technology, 59(1) , 77-85, 2008. <pdf-version>

The Communication of Meaning in Anticipatory Systems: A Simulation Study of the Dynamics of Intentionality in Social Interactions, Vice-Presidential Address at the 8th Int. Conference of Computing Anticipatory Systems (CASYS07), Liège, Belgium, 6-11 August 2007. In: D. M. Dubois (Ed.) Proceedings of the 8th Intern. Conf. on Computing Anticipatory Systems CASYS'07. Melville, NY: American Institute of Physics Conference Proceedings, Vol. 1051 (2008) pp. 33-49. <pdf-version>

Complexity science and intentional systems, Educational Research Review 3(1) (2008) 92-93. <pdf-version>

5 Questions concerning Bibliometrics, Library Connect Newsletter, 6(4) (2008), pp. 8-9.

Leydesdorff, L. (2008). Journals as retention mechanisms of scientific growth. Research Trends, 31, 6;

https://www.researchtrends.com/wp-content/uploads/2011/01/Research_Trends_Issue7.pdf#page=6

Loet Leydesdorff & Ping Zhou, Co-Word Analysis using the Chinese Character Set, Journal of the American Society for Information Science and Technology 59(9), 1528-1530, 2008; <pdf-version>; <software>

Loet Leydesdorff, Robert L. Goldstone, & Thomas Schank, Betweenness Centrality and the Interdisciplinarity of Cognitive Science, at the webpage of Cognitive Science: A Multidisicplinary Journal, <animation>.

Diana Lucio-Arias & Loet Leydesdorff, Main-path analysis and path-dependent transitions in HistCite™-based historiograms, Journal of the American Society for Information Science and Technology 59(12), 1948-1962, 2008 <pdf-version>; <software>

Wilfred Dolfsma & Loet Leydesdorff, “Medium-tech” industries may be of greater importance to a local economy than “High-tech” firms: New methods for measuring the knowledge base of an economic system, Medical Hypotheses, 71(3) (2008) 330-334; <pdf-version>.

Lengyel, Balázs & Loet Leydesdorff, A magyar gazdaság tudás-alapú szerveződésének mérése: az innovációs rendszerek szinergiáinak térbelisége, Közgazdasági Szemle [Economic Review], LV. évf., 2008. június (522–547. o.); <pdf-version>

Han Woo Park & Loet Leydesdorff, Korean journals in the Science Citation Index: What do they reveal about the intellectual structure of S&T in Korea? Scientometrics 75(3) (2008) 439-462; <pdf-version>

Zhou, Ping & Loet Leydesdorff, China Ranks Second in Scientific Publications since 2006, ISSI Newletter, Nr. 13, March 2008, pp. 7-9.

Zhou, Ping & Loet Leydesdorff, A Comparative Analysis of Chinese and International Journal-Journal Relations, in: Greater China's Quest for Innovation, in: Henry Rowen, Marguerite Gong Hancock, and William Miller (Eds.), Stanford, CA: Shorenstein Asian Pacific Center, Brookings Institution Press, 2008, pp. 269-279.

Complexity and Technology, in: Theme section KM 1.29- Knowledge Management, Organizational Intelligence and Learning, and Complexity, L. Douglas Kiel (Ed.), Vol. 2, pp. 42-58. Encyclopedia of Life Support Systems (EOLSS). Oxford, UK: Eolss Publishers, 2007; <pdf-version>.

Wilfred Dolfsma & Loet Leydesdorff, Journals as Constituents of Scientific Discourse: Economic Heterodoxy, On the Horizon 16(4), 214-225, 2008; <pdf-version>

Wilfred Dolfsma & Loet Leydesdorff, Het Nederlandse Innovatiesysteem, ESB, 4 april 2008, pp. 214-215.

2007

Scientific Communication and Cognitive Codification: Social Systems Theory and the Sociology of Scientific Knowledge, European Journal of Social Theory 10(3), 375-388, 2007; <pdf-version>

A kommunikáció szociológiai elmélete: Társadalmi kommunikáció sorozat (translated by Jakab András). Budapest: Typotext, 2007. ISBN: 963 9548 54 5.

Include Citations When Ranking Institutions and Scholars, Communications of the ACM, 50 (9), 14, 2007.

The Generation and Communication of Meaning in Social Systems, Visualizing Network Dynamics Competition, At NetSci07 , New York Hall of Science, Queens, NY, May 20th-25th, 2007.

Luhmann's Communication-Theoretical Specification of the 'Genomena' of Husserl's Phenomenology, pp. 233-243 in: Edmundo Balsemão Pires (Ed.), Public Space, Power and Communication, Coimbra: Edições Afrontamento, 2007. <pdf-version>

„Während auf hoher See ein Sturm tobt...“: Innovationssysteme, regionale Entwicklung und wissensbasierte Ökonomie aus der Perspektive des Triple-Helix-Modells. In: Hanno Pahl und Lars Meier (Hrsg.), Kognitiver Kapitalismus. Marburg: Metropolis Verlag, pp. 163-193.

The position of Tibor Braun’s Œuvre: Bibliographic Journal Coupling. In: The Multidimensional World of Tibor Braun, at the occasion of his 75th birthday, Wolfgang Glänzel, András Schubert, Balázs Schlemmer (Eds.) (Leuven: Steunpunt O&O, KU. )

Should Co-occurrence Data be Normalized? A Rejoinder to: Waltman, L., Van Eck, N. J. (2007). Some comments on the question whether co-occurrence data should be normalized. Journal of the American Society for Information Science and Technology 58(14), 2411-2413, 2007.

"Betweenness Centrality" as an Indicator of the "Interdisciplinarity" of Scientific Journals, Journal of the American Society for Information Science and Technology 58(9), 1303-1309, 2007. <pdf-version>

Mapping Interdisciplinarity at the Interfaces between the Science Citation Index and the Social Science Citation Index, Scientometrics 71(3), 391-405, 2007; <pdf-version>

Loet Leydesdorff & Ping Zhou, Nanotechnology as a Field of Science: Its Delineation in Terms of Journals and Patents. Scientometrics, 70(3), 693-713, 2007 <pdf-version>

Diana Lucio-Arias and Loet Leydesdorff, Knowledge Emergence in Scientific Communication: From “Fullerenes” to “Nanotubes", Scientometrics, 70(3), 603-632, 2007.

Loet Leydesdorff and Martin Meyer, The Scientometrics of a Triple Helix of University-Industry-Government Relations (Introduction to the Topical Issue), Scientometrics, 70(2), 207-222, 2007. <pdf-version>

Visualization of the Citation Impact Environments of Scientific Journals: An online mapping exercise, Journal of the American Society for Information Science and Technology 58(1), 25-38, 2007 . <pdf-version>

Environment and Planning B: Planning and Design as a Journal: The interdisiplinarity of its environment and the citation impact, Environment and Planning B 34(5), 826-838, 2007; <pdf-version>

Peter van den Besselaar & Loet Leydesdorff, Past Performance as Predictor of Successful Grant Applications: A Case Study. The Hague: Rathenau Institute, SciSA Report 0706.

Lutz Bornmann, Loet Leydesdorff, and Werner Marx, Citation Environment of Angewandte Chemie, CHIMIA 61(3), 104-109, 2007. <pdf>

Zhou, Ping & Loet Leydesdorff, 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. Journal of the American Society for Information Science and Technology 58(2), 223-236, 2007; <pdf-version>

Zhou, Ping & Loet Leydesdorff, The Citation Impacts and Citation Environments of Chinese Journals in Mathematics, Scientometrics 72(2), 185-200, 2007. <pdf-version>

Zhou, Ping & Loet Leydesdorff, Analysis of the Citation Environments of Journals in Computer Science, Journal of the China Society for Scientific and Technical Information, 26(6), 923-933, 2007. <pdf-version>

S&T Publication Rates: the bigger picture, SciDev.Net, 20 December 2007.

Kostoff, R. N., del Rio, J. A., Cortes, H. D., Smith, C., Smith, A., Wagner, C., Leydesdorff, L., Karypis, G., Malpohl, G., & Tshiteya, R. (2007). Clustering methodologies for identifying country core competencies. Journal of Information Science, 33(1), 21-40.

Indicators of Structural Change in the Dynamics of Science: Entropy Statistics of the SCI Journal Citation Reports, In: T. Braun (ed.), The Impact Factors of Scientific and Scholarly Journals. Its Use and Misuse. Budapest: Akadémiai Kiadó, 2007, pp. 97-126. (click here for pdf-version)

Top-down Decomposition of the Journal Citation Report of the Social Science Citation Index: Graph- and factor-analytical approaches. In: T. Braun (ed.), The Impact Factors of Scientific and Scholarly Journals. Its Use and Misuse. Budapest: Akadémiai Kiadó, 2007, pp. 127-148.

2006:

The Knowledge-Based Economy: Modeled, Measured, Simulated. Boca Raton, FL: Universal Publishers. 385 pp. ISBN 158112-937-8.

Anticipation and the Non-linear dynamics of Meaning-Processing in Social Systems, Paper to be presented at the World Congress of Sociology, Durban, July 2006. <pdf-version>

Loet Leydesdorff and Martin Meyer, Triple Helix Indicators of Knowledge-Based Innovation Systems (Introduction to the Special Issue), Research Policy, 35(10), 2006, 1441-1449. <pdf-version>

Hyperincursion and the Globalization of a Knowledge-Based Economy, In: D. M. Dubois (Ed.) Proceedings of the 7th Intern. Conf. on Computing Anticipatory Systems CASYS'05, Liège, Belgium, 8-13 August 2005. Melville, NY: American Institute of Physics Conference Proceedings, Vol. 839, 2006, pp. 560-569; <pdf-version>

Loet Leydesdorff & Iina Hellsten, Measuring the Meaning of Words in Contexts: An automated analysis of controversies about 'Monarch butterflies,' 'Frankenfoods,' and 'stem cells.' Scientometrics 67(2), 2006, 231-258. <pdf-version>

Loet Leydesdorff and Michael Fritsch, Measuring the Knowledge Base of Regional Innovation Systems in Germany in terms of a Triple Helix Dynamics, Research Policy, 35(10), 2006, 1538-1553. <pdf-version>

Loet Leydesdorff, Wilfred Dolfsma, & Gerben van der Panne, Measuring the Knowledge Base of an Economy in terms of Triple-Helix Relations among 'Technology, Organization, and Territory', Research Policy 35(2), 2006, 181-199. <pdf-version>

Can Scientific Journals be Classified in terms of Aggregated Journal-Journal Citation Relations using the Journal Citation Reports? Journal of the American Society for Information Science and Technology, 57(5) (2006) 601-613. <pdf-version>

Loet Leydesdorff & Stephen Bensman, Classification and Powerlaws: The logarithmic tranformation, Journal of the American Society for Information Science and Technology 57(11) (2006) 1470-1486. <pdf-file>

Zhou, Ping & Loet Leydesdorff, The emergence of China as a leading nation in science, Research Policy, 35(1), 2006, 83-104 <pdf version>

A kommunikáció szociológiai elmélete: Társadalmi kommunikáció sorozat (transl. Jakab András). Budapest: Typotext, 2006. 250 pp. ISBN: 963 9548 54 5.

卢曼，哈贝马斯和沟通理论, (transl. Feng Jianpeng, 2006) <pdf-version>. [original in: Systems Research and Behavioral Science, 17(3) (2000) 273–288]

Loet Leydesdorff & Liwen Vaughan, Co-occurrence Matrices and their Applications in Information Science: Extending ACA to the Web Environment, Journal of the American Society for Information Science & Technology 57(12) (2006) 1616-1628. <pdf-version>

"While a Storm is Raging on the Open Sea": Regional Development in a Knowledge-based Economy, Journal of Technology Transfer, 31(1), 2006, 189-203. <pdf-version>

Philip Cooke and Loet Leydesdorff, Regional Development in the Knowledge-Based Economy: The Construction of Advantage. Introduction to the Special Issue. Journal of Technology Transfer, 31 (1), 2006, 5-15; <pdf-version>

The Biological Metaphor of a (Second-order) Observer and the Sociological Discourse, Kybernetes 35 (3/4) (2006), 531-546 <pdf-version>

Michaël Deinema and Loet Leydesdorff, The Two Faces of American Power: Military and Political Communication during the Cuban Missile Crisis, Kybernetes 35 (3/4) (2006) 547-566; <pdf-version>

The Knowledge-Based Economy and the Triple Helix Model. In: Wilfred Dolfsma & Luc Soete (Eds.), Understanding the Dynamics of a Knowledge Economy, Cheltenham: Edward Elgar, 2006, pp. 42-76.

Rob Goldstone and Loet Leydesdorff, The Import and Export of Cognitive Science, Cognitive Science 30(6) (2006), 983-993. <pdf-version>

Iina Hellsten, Loet Leydesdorff, & Paul Wouters, Multiple Presents: How Search Engines Re-write the Past, New Media & Society, 8(6) (2006), 901-924; <pdf-version>

Loet Leydesdorff, Ping Zhou, Min-ho So, & Han-Woo Park, 세계 과학 시스템의 변화 [Recognizing a change in World Science System], The Journal of Yeungnam Regional Development 35(2) (2006), 69-86; <pdf-version>

Caroline Wagner & Loet Leydesdorff, Measuring the globalization of knowledge networks, Paper presented at “Blue Sky II 2006:” What Indicators for Science, Technology and Innovation Policies in the 21st Century. Paris: OECD; at http://www.oecd.org/document/24/0,2340,en_2649_34451_37083800_1_1_1_1,00.html.

Special issue: Toward an ecosystem for innovation - implications for management, policy and higher education. Introduction by Sheila Tobias, Kenneth Smith, and Loet Leydesdorff. Industry & Higher Education 20(4), 2006, 215-277.

The Triple Helix and Knowledge-Based Innovation Systems. Pp. 143-152 in: Cooperation between the economic, academic and governmental spheres: Mechanisms and levers, Miroslav Rebernik et al. (Eds.), Proceedings of the 26th Conference on Entrepreneurship and Innovation, Maribor, Slovenia, March 30-31, 2006.

Click here for the list of publications before 2006

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