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2020
Loet Leydesdorff & Inga Ivanova, The Measurement of “Interdisciplinarity” and “Synergy” in Scientific and Extra-Scientific Collaborations
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 ( in preparation).
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; 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 (early view).
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 (early view); 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 (early view). 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
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.
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).
Staša Milojević and Loet Leydesdorff, 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
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.
Thor, A., Bornmann, L., Haunschild, R., & Leydesdorff, L. (2019). 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 (in press).
Sally Wyatt and Loet Leydesdorff, 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 (in print).
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 (in press); 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
in preparation:
* Loet Leydesdorff & Framz Hoegl, The Evolutionary Dynamics of
Expectations: Interactions among Codes in Inter-Human Communications;
preprint at https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3625512
* Loet Leydesdorff, The Communication Dynamics of Knowledge,
Information, and Meaning: Contributions to the Quantitative Study of
Science, Technology, and Innovation. in: Qualitative and
Quantitative Analysis of Scientific and Scholarly Communication
(Wolfgang Glänzel et al., Eds.). Cham, Switzerland: Springer
Nature, 2021.
* Henriette Ruhrmann, Smart Specialization Strategies at
National, Regional, or Local Levels? Synergy and Policy-making in
German Systems of Innovation; preprint at https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3577495
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
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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. |
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Leydesdorff, Loet (1984). Amersfoort: De Horstink. <pdf>; electronic version 2019 |
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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, Řivind 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, Řivind 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, Řivind 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.
Steffen Roth, Loet Leydesdorff, Juri Kaivo-oja, and Augusto Sales, Open coopetition: when multiple players and rivals team up. Journal of Business Strategy (2019, early view); https://doi.org/10.1108/JBS-11-2018-0192.
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, 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”
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: .
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, Řivind 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>
Řivind 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 Śuvre. 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)
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). Valčncia (Spain): Universitat
Politčcnica de Valčncia. 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 & Řivind 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.
Řivind 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 espańol]
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 & Řivind 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), Ličge, 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 Balsemăo Pires (Ed.), Public Space, Power and Communication, Coimbra: Ediçőes 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 Śuvre: 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, Ličge, 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.