Author Page for Loet Leydesdorff

1.

The Triple Helix -- University-Industry-Government Relations: A Laboratory for Knowledge Based Economic Development

EASST Review, Vol. 14, No. 1, pp. 14-19, 1995

Number of pages: 9 Posted: 15 Aug 2014

Henry Etzkowitz and Loet Leydesdorff

Stanford University - H-STAR Institute and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 10,374 (911)

Citation 20

Abstract:

2.

The Triple Helix of University-Industry-Government Relations (February 2012)

forthcoming in: Elias Carayannis and David Campbell (Eds.), Encyclopedia of Creativity, Innovation, and Entrepreneurship, New York: Springer.

Number of pages: 17 Posted: 02 Feb 2012 Last Revised: 12 Jun 2014

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 2,102 (13,017)

Citation 13

Abstract:

3.

The Endless Transition: A 'Triple Helix' of University Industry Government Relations

Minerva 36(3) (1998) 203-208

Number of pages: 7 Posted: 03 Mar 2014

Henry Etzkowitz and Loet Leydesdorff

Stanford University - H-STAR Institute and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 1,321 (26,541)

Citation 7

Abstract:

4.

Universities and the Global Knowledge Economy: A Triple Helix of University-Industry Relations

Preprint version of: Etzkowitz, H., & Leydesdorff, L. (1997). Universities and the Global Knowledge Economy: A Triple Helix of University-Industry-Government Relations. London: Pinter. [archival reprint]

Number of pages: 256 Posted: 21 Jun 2019 Last Revised: 02 Jan 2020

Henry Etzkowitz and Loet Leydesdorff

Stanford University - H-STAR Institute and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 993 (40,094)

Citation 8

Abstract:

5.

Beer's Viable System Model and Luhmann's Communication Theory: 'Organizations' from the Perspective of Metagames

Systems Research and Behavioral Science (2013)

Number of pages: 23 Posted: 16 Jun 2013 Last Revised: 02 Aug 2013

Mark Johnson and Loet Leydesdorff

University of Bolton and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 942 (43,210)

Abstract:

6.

In Search of a Network Theory of Innovations: Relations, Positions, and Perspectives

Journal of the American Society for Information Science and Technology (JASIST); Forthcoming

Number of pages: 46 Posted: 28 Jun 2013 Last Revised: 07 Sep 2013

Loet Leydesdorff and Petra Ahrweiler

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and EA European Academy of Technology and Innovation Assessment GmbH

Downloads 749 (58,991)

Citation 5

Abstract:

7.

Quantitative and Qualitative STS: The Intellectual and Practical Contributions of Scientometrics

Number of pages: 35 Posted: 03 Apr 2015 Last Revised: 13 Jan 2016

Sally Wyatt, Staša Milojević, Han Park and Loet Leydesdorff

Maastricht University, Indiana University Bloomington - School of Informatics and Computing, Yeungnam University and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 738 (60,199)

Citation 6

Abstract:

8.

Synergy in Innovation Systems: Redundancy in the Triple Helix of University-Industry-Government Relations

SWPS 2017-08

Number of pages: 52 Posted: 24 Mar 2017 Last Revised: 13 Feb 2019

Loet Leydesdorff, Inga Ivanova and Martin S. Meyer

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), National Research University Higher School of Economics and University of Kent, Kent Business School

Downloads 500 (98,237)

Citation 13

Abstract:

9.

Luhmann, Habermas, and the Theory of Communication

Systems Research and Behavioral Science 17(3) (2000) 273-288

Number of pages: 22 Posted: 28 Jan 2013

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 495 (99,516)

Citation 3

Abstract:

10.

Radical Constructivism and Radical Constructedness: Luhmann’s Sociology of Semantics, Organizations, and Self-Organization

Constructivist Foundations, Forthcoming

Number of pages: 20 Posted: 15 Feb 2012 Last Revised: 31 Jul 2012

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 369 (139,962)

Abstract:

11.

The Evolution of Communication Systems

Loet Leydesdorff, The Evolution of Communication Systems, Int. J. Systems Research and Information Science 6 (1994) 219-230

Number of pages: 19 Posted: 21 Mar 2013

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 345 (150,588)

Citation 2

Abstract:

12.

Niklas Luhmann's Magnificent Contribution to the Sociological Tradition: The Emergence of the Knowledge-Based Economy as an Order of Expectations

Forthcoming 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.

Number of pages: 11 Posted: 18 Nov 2013 Last Revised: 18 Nov 2014

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 343 (151,527)

Abstract:

13.

The Triple Helix in the Context of Global Change: Dynamics and Challenges

Number of pages: 13 Posted: 18 Nov 2012

Helen Lawton Smith and Loet Leydesdorff

University of Oxford - School of Geography and the Environment and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 334 (155,889)

Citation 1

Abstract:

14.

The Measurement of 'Interdisciplinarity' and 'Synergy' in Scientific and Extra-Scientific Collaborations

JASIST, in print

Number of pages: 32 Posted: 19 Apr 2020 Last Revised: 28 Aug 2020

Loet Leydesdorff and Inga Ivanova

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and National Research University Higher School of Economics (Moscow)

Downloads 281 (186,876)

Citation 7

Abstract:

15.

The Citation Impact of German Sociology Journals: Some Problems with the Use of Scientometric Indicators in Journal and Research Evaluations

Soziale Welt (Forthcoming)

Number of pages: 20 Posted: 24 Dec 2014 Last Revised: 13 Mar 2015

Loet Leydesdorff and Staša Milojević

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and Indiana University Bloomington - School of Informatics and Computing

Downloads 252 (208,486)

Citation 7

Abstract:

16.

The Sciences are Discursive Constructs: The Communication Perspective as an Empirical Philosophy of Science

in: Lorenzo Cantoni and James A. Danowski (Eds.), Communication and Technology, De Gruyter Mouton, 2015

Number of pages: 10 Posted: 22 Sep 2014 Last Revised: 28 Aug 2015

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 243 (216,007)

Abstract:

17.

A Triple Helix Model of Medical Innovation: Supply, Demand, and Technological Capabilities in Terms of Medical Subject Headings

Downloads 226 (231,676)

Citation 21

2

A Triple Helix Model of Medical Innovation: Supply, Demand, and Technological Capabilities in Terms of Medical Subject Headings

Research Policy, 45(3), 666-681

Number of pages: 38 Posted: 11 May 2015 Last Revised: 10 Jan 2022

Alexander Michael Petersen, Daniele Rotolo and Loet Leydesdorff

University of California Merced, Department of Management of Complex Systems, SPRU (Science Policy Research Unit), University of Sussex and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 179 (286,100)

Citation 9

Abstract:

A Triple Helix Model of Medical Innovation: Supply, Demand, and Technological Capabilities in Terms of Medical Subject Headings

SWPS 2016-01

Number of pages: 41 Posted: 10 Mar 2016

Alexander Michael Petersen, Daniele Rotolo and Loet Leydesdorff

University of California Merced, Department of Management of Complex Systems, SPRU (Science Policy Research Unit), University of Sussex and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 47 (690,400)

Citation 13

Abstract:

18.

Decomposing the Triple-Helix Synergy into the Regional Innovation Systems of Norway: Firm Data and Patent Networks

Number of pages: 51 Posted: 21 Feb 2015 Last Revised: 18 Apr 2016

Øivind Strand, Inga Ivanova and Loet Leydesdorff

Norwegian University of Science and Technology (NTNU), National Research University Higher School of Economics and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 220 (237,694)

Citation 1

Abstract:

19.

'Open Innovation' and 'Triple Helix' Models of Innovation: Can Synergy in Innovation Systems Be Measured?

Number of pages: 23 Posted: 09 Jun 2016

Loet Leydesdorff and Inga Ivanova

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and National Research University Higher School of Economics

Downloads 214 (243,938)

Citation 2

Abstract:

20.

Smart Specialization Strategies at National, Regional, or Local Levels? Synergy and Policy-making in German Systems of Innovation

Ruhrmann, H., Fritsch, M., & Leydesdorff, L. (2021). Synergy and policy-making in German innovation systems: Smart Specialisation Strategies at national, regional, local levels? Regional Studies, 0(0), 1–12. https://doi.org/10.1080/00343404.2021.1872780

Number of pages: 37 Posted: 11 May 2020 Last Revised: 17 Feb 2021

Henriette Ruhrmann, Michael Fritsch and Loet Leydesdorff

Technische Universität Berlin (TU Berlin), University of Jena - School of Economics and Business Administration and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 199 (260,637)

Citation 2

Abstract:

21.

The Communication of Expectations and Individual Understanding: Redundancy as Reduction of Uncertainty, and the Processing of Meaning

Kybernetes 43(9/10) (2014) 1362-1371

Number of pages: 17 Posted: 24 Nov 2013 Last Revised: 02 Nov 2019

Loet Leydesdorff, Mark Johnson and Inga Ivanova

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), University of Bolton and National Research University Higher School of Economics

Downloads 188 (274,301)

Abstract:

22.

Can Synergy in Triple-Helix Relations Be Quantified? A Review of the Development of the Triple-Helix Indicator

Forthcoming in: Triple Helix: A Journal of University-Industry-Government Innovation and Entrepreneurship

Number of pages: 32 Posted: 11 Jan 2014 Last Revised: 13 Mar 2015

Loet Leydesdorff and Han Park

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and Yeungnam University

Downloads 186 (276,824)

Citation 3

Abstract:

23.

Trajectories and Regimes in Research and Knowledge Evaluations: Contributions to an Evolutionary Theory of Citation?

Number of pages: 26 Posted: 24 Apr 2022

Loet Leydesdorff, Lin Zhang and Paul Wouters

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), Wuhan University - School of Information Management and Leiden University - Centre for Science and Technology Studies

Downloads 184 (280,817)

Abstract:

24.

The Differentia Specifica of Interhuman Communications: Luhmann and the Sociological Reflection of Information Theory

Downloads 183 (280,817)

2

The Differentia Specifica of Interhuman Communications: Luhmann and the Sociological Reflection of Information Theory

Gordana Dodig-Crnkovic & Mark Burgin (eds.), Theoretical Information Studies Vol 2. World Scientific, 2018. (version, 21 May 2018)

Number of pages: 17 Posted: 22 Feb 2018 Last Revised: 23 May 2018

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 157 (320,559)

Abstract:

The Differentia Specifica of Interhuman Communications: Luhmann and the Sociological Reflection of Information Theory

Gordana Dodig-Crnkovic & Mark Burgin (eds.), Theoretical Information Studies Vol 2. World Scientific, 2018. (version, 21 May 2018)

Number of pages: 17 Posted: 22 Feb 2018

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 26 (852,365)

Abstract:

25.

Diverse Effects of FDI in Regional Innovation Systems: Synergy Measurement, Complexity Theory, and Entropy Statistics

Number of pages: 29 Posted: 26 Apr 2013

Balázs Lengyel and Loet Leydesdorff

Hungarian Academy of Sciences (HAS) - Institute of Economics CERS-HAS (IEHAS) and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 182 (282,190)

Citation 3

Abstract:

26.

Triple, Quadruple, and Higher-Order Helices: Historical Phenomena and (Neo-)Evolutionary Models

Number of pages: 31 Posted: 15 Apr 2021 Last Revised: 17 Sep 2021

Loet Leydesdorff and Helen Lawton Smith

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and University of London

Downloads 180 (284,949)

Abstract:

27.

A Discussion of Measuring the Top-1% Most-Highly-Cited Publications: The Case of China

Number of pages: 20 Posted: 19 May 2021

Caroline Wagner, Lin Zhang, Koen Jonkers and Loet Leydesdorff

Ohio State University (OSU) - John Glenn School of Public Affairs, Wuhan University - School of Information Management, Joint Research Center of the European Commission and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 173 (295,054)

Abstract:

28.

Knowledge-Generating Efficiency in Innovation Systems: The Relation between Structural and Temporal Effects

Number of pages: 31 Posted: 21 May 2014

Inga Ivanova and Loet Leydesdorff

National Research University Higher School of Economics and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 151 (330,884)

Citation 1

Abstract:

29.

Introduction: Universities in the Global Knowledge Economy Triaple Helix of University-Industry-Government Relations

Henry Etzkowitz and Loet Leydesdorff (eds.), Universities and the Global Knowledge Economy: A Triple Helix of University-Industry-Government Relations (London: Cassell, 1997), 174 + viii pp.

Number of pages: 19 Posted: 16 Mar 2017

Henry Etzkowitz and Loet Leydesdorff

Stanford University - H-STAR Institute and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 145 (341,919)

Abstract:

30.

The Efficiency of Triple-Helix Relations in Innovation Systems: Measuring the Connection between a Country’s Net Income and Its Knowledge Base

Higher School of Economics Research Paper No. #WP BRP 54/STI/2015

Number of pages: 24 Posted: 08 Dec 2015

Inga Ivanova, Øivind Strand, Duncan Kushnir and Loet Leydesdorff

National Research University Higher School of Economics, Norwegian University of Science and Technology (NTNU), Chalmers University of Technology and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 145 (341,919)

Citation 6

Abstract:

31.

Disruption Indices and their Calculation using Web-of-Science Data: Indicators of Historical Developments or Evolutionary Dynamics?

Number of pages: 32 Posted: 17 Mar 2021

Loet Leydesdorff and Lutz Bornmann

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and Max Planck Society for the Advancement of the Sciences

Downloads 137 (357,445)

Abstract:

32.

A Proposal to Revise and Simplify the Disruption Indicator

Number of pages: 15 Posted: 06 Jan 2021

Loet Leydesdorff, Alexander Tekles and Lutz Bornmann

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), Max Planck Society for the Advancement of the Sciences and Max Planck Society for the Advancement of the Sciences

Downloads 135 (361,560)

Citation 2

Abstract:

33.

The Scientometric Measurement of Interdisciplinarity and Diversity in Research Portfolios of Chinese Universities

Number of pages: 32 Posted: 31 Mar 2021

Lin Zhang and Loet Leydesdorff

KU Leuven - Faculty of Business and Economics (FEB) and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 129 (374,238)

Citation 3

Abstract:

34.

Automation in the Overlaying of Journal Maps

Number of pages: 6 Posted: 18 Mar 2021

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 129 (374,238)

Citation 1

Abstract:

35.

Toward a Calculus of Redundancy: Signification, Codification, and Anticipation in Cultural Evolution

Number of pages: 34 Posted: 05 Sep 2017

Loet Leydesdorff, Mark Johnson and Inga Ivanova

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), University of Bolton and National Research University Higher School of Economics

Downloads 129 (374,238)

Citation 3

Abstract:

36.

The Evolutionary Dynamics of Expectations: Interactions among Codes in Inter-Human Communications

Number of pages: 30 Posted: 07 Jul 2020 Last Revised: 25 Aug 2020

Loet Leydesdorff and Franz Hoegl

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and Denkmalneu

Downloads 128 (376,478)

Abstract:

37.

Theories of Citation?

Scientometrics 43(1), 1998, 5-25

Number of pages: 22 Posted: 14 Jun 2013

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 128 (376,478)

Citation 12

Abstract:

38.

Luhmann's Sociological Theory: Its Operationalization and Future Perspectives

Social Science Information 35(2) (1996) 283-306

Number of pages: 28 Posted: 07 Mar 2013

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 127 (378,678)

Citation 1

Abstract:

39.

Science Studies and Sociology

Leydesdorff, L. (2022). Science Studies and Sociology. ISSI Newsletter, 18(1), 11-15.

Number of pages: 6 Posted: 12 May 2022

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 122 (390,360)

Abstract:

40.

The Challenge of Scientometrics: The Development, Measurement, and Self-Organization of Scientific Communications

First published by DSWO Press, Leiden University, Leiden, The Netherlands, 1995 Second edition. Published by Universal Publishers / uPUBLISH.com, USA • 2001

Number of pages: 355 Posted: 27 Jan 2020

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 120 (395,163)

Citation 4

Abstract:

41.

The Construction of Interdisciplinarity: The Development of the Knowledge Base and Programmatic Focus of the Journal Climatic Change, 1977-2013

Number of pages: 33 Posted: 16 Nov 2014

Iina Hellsten and Loet Leydesdorff

VU University Amsterdam - Organization Science and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 115 (407,572)

Citation 1

Abstract:

42.

Strategic Intelligence on Emerging Technologies: Scientometric Overlay Mapping

Journal of the Association for Information Science and Technology, 68(1), 214-233

Number of pages: 38 Posted: 27 Mar 2013 Last Revised: 10 Jan 2022

Daniele Rotolo, Ismael Rafols, Michael M. Hopkins and Loet Leydesdorff

SPRU (Science Policy Research Unit), University of Sussex, Ingenio (CSIC-UPV), Universitat Politècnica de València, University of Sussex and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 114 (410,164)

Citation 6

Abstract:

43.

Measuring the Expected Synergy in Spanish Regional and National Systems of Innovation

Journal of Technology Transfer, Forthcoming

Number of pages: 33 Posted: 16 Apr 2017 Last Revised: 19 Aug 2017

Loet Leydesdorff and Igone Porto Gomez

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and University of the Basque Country

Downloads 106 (432,211)

Citation 3

Abstract:

44.

Turning to Ontology in STS? Turning to STS Through ‘Ontology’

Social Studies of Science, Forthcoming

Number of pages: 38 Posted: 22 Jul 2012 Last Revised: 25 Jul 2012

Bas Heur, Loet Leydesdorff and Sally Wyatt

Vrije Universiteit Brussel, University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and Maastricht University

Downloads 106 (432,211)

Abstract:

45.

Matching MEDLINE/PubMed Data with Web of Science (WoS): A Routine in R Language

Downloads 100 (450,451)

Citation 4

2

Matching MEDLINE/PubMed Data with Web of Science (WoS): A Routine in R Language

Journal of the Association for Information Science and Technology (Forthcoming)

Number of pages: 9 Posted: 18 Jun 2014 Last Revised: 06 Jan 2016

Daniele Rotolo and Loet Leydesdorff

SPRU (Science Policy Research Unit), University of Sussex and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 74 (548,581)

Citation 3

Abstract:

Matching MEDLINE/PubMed Data with Web of Science (Wos): A Routine in R Language.

Forthcoming SWPS 2014-14 (Research Methods)

Number of pages: 12 Posted: 07 Mar 2016

Daniele Rotolo and Loet Leydesdorff

SPRU (Science Policy Research Unit), University of Sussex and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 26 (852,365)

Abstract:

46.

Extending Economic Complexity Index to a Ternary Complexity Index

Number of pages: 26 Posted: 20 Nov 2017

Inga Ivanova, Øivind Strand and Loet Leydesdorff

National Research University Higher School of Economics, Norwegian University of Science and Technology (NTNU) and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 98 (456,416)

Abstract:

47.

In Praise of Bibliometrics

Journal of Informetrics, Forthcoming

Number of pages: 7 Posted: 24 Feb 2017 Last Revised: 27 Feb 2017

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 97 (459,496)

Abstract:

48.

Scientometric Mapping as a Strategic Intelligence Tool for the Governance of Emerging Technologies.

SWPS 2014-10

Number of pages: 43 Posted: 07 Mar 2016

Daniele Rotolo, Ismael Rafols, Michael M. Hopkins and Loet Leydesdorff

SPRU (Science Policy Research Unit), University of Sussex, Ingenio (CSIC-UPV), Universitat Politècnica de València, University of Sussex and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 93 (472,273)

Citation 11

Abstract:

49.

Synergy Cycles in the Norwegian Innovation System: The Relation between Synergy and Cycle Values

Number of pages: 31 Posted: 07 Sep 2014

Inga Ivanova, Øivind Strand and Loet Leydesdorff

National Research University Higher School of Economics, Norwegian University of Science and Technology (NTNU) and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 92 (475,565)

Citation 3

Abstract:

50.

Are University Rankings Statistically Significant? A Comparison among Chinese Universities and with the USA

Downloads 79 (521,669)

Citation 2

2

Are University Rankings Statistically Significant? A Comparison among Chinese Universities and with the USA

Number of pages: 34 Posted: 09 Jan 2021

Loet Leydesdorff, Caroline S. Wagner and Lin Zhang

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), Ohio State University (OSU) and KU Leuven - Faculty of Business and Economics (FEB)

Downloads 64 (594,543)

Citation 2

Abstract:

Are University Rankings Statistically Significant? A Comparison among Chinese Universities and with the USA

Number of pages: 34 Posted: 17 Mar 2021

Loet Leydesdorff, Caroline Wagner and Lin Zhang

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), Ohio State University (OSU) - John Glenn School of Public Affairs and KU Leuven - Faculty of Business and Economics (FEB)

Downloads 15 (961,987)

Abstract:

51.

Eco-Systems Mapping and Forecasting of Techno-Science Linkages at the Level of Scholarly Journals and Fields

Number of pages: 27 Posted: 17 Oct 2019

Xiaozan Lyu, Ping Zhou and Loet Leydesdorff

Zhejiang University, Zhejiang University and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 68 (567,257)

Abstract:

52.

Innovation as a Nonlinear Process, the Scientometric Perspective, and the Specification of an Innovation Opportunities Explorer

Technology Analysis & Strategic Management, 25(6), 641-653.

Number of pages: 25 Posted: 29 Oct 2012 Last Revised: 10 Jan 2022

Loet Leydesdorff, Daniele Rotolo and Wouter de Nooy

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), SPRU (Science Policy Research Unit), University of Sussex and Amsterdam School of Communication Research (ASCoR), University of Amsterdam

Downloads 62 (594,698)

Abstract:

53.

Philips en de Wetenschap (Philips and Science)

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. ISBN 90 6222 057 6

Number of pages: 194 Posted: 21 Jun 2019

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 58 (619,769)

Abstract:

54.

The Self-Organization of Meaning and the Reflexive Communication of Information

Number of pages: 34 Posted: 11 Jan 2016

Loet Leydesdorff, Alexander Michael Petersen and Inga Ivanova

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), University of California Merced, Department of Management of Complex Systems and National Research University Higher School of Economics

Downloads 57 (619,769)

Citation 4

Abstract:

55.

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), 2239-2253.

Number of pages: 39 Posted: 05 Apr 2012 Last Revised: 10 Jan 2022

Loet Leydesdorff, Daniele Rotolo and Ismael Rafols

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), SPRU (Science Policy Research Unit), University of Sussex and Ingenio (CSIC-UPV), Universitat Politècnica de València

Downloads 56 (624,908)

Citation 2

Abstract:

56.

'Interaction' Versus 'Action' in Luhmann's Sociology of Communication

Colin B. Grant (Ed.), Rethinking Communicative Interaction: New Interdisciplinary Horizons. Amsterdam, John Benjamins, Forthcoming

Number of pages: 21 Posted: 16 Jun 2013 Last Revised: 02 Aug 2013

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 54 (635,575)

Citation 2

Abstract:

57.

Have Quadruple and Quintuple Helices Emerged? Metaphors, Project Titles, and Empirical Research

Number of pages: 13 Posted: 01 Jun 2022

Helen Lawton Smith and Loet Leydesdorff

University of London and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 51 (652,150)

Abstract:

58.

Challenges for Regional Innovation Policies in CEE Countries: Spatial Concentration and Foreign Control of US Patenting

Number of pages: 29 Posted: 16 Jul 2013 Last Revised: 17 Jul 2013

Balázs Lengyel, Tamás Sebestyén and Loet Leydesdorff

Hungarian Academy of Sciences (HAS) - Institute of Economics CERS-HAS (IEHAS), University of Pécs, Faculty of Business and Economics and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 50 (657,746)

Citation 4

Abstract:

59.

'Structure'/'Action' Contingencies and the Model of Parallel Distributed Processing

Journal for the Theory of Social Behaviour 23(1) (1993) 47-77

Number of pages: 39 Posted: 28 Jan 2013

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 45 (687,656)

Citation 3

Abstract:

60.

Journal Portfolio Analysis for Countries, Cities, and Organizations: Maps and Comparisons?

Downloads 42 (706,714)

2

Journal Portfolio Analysis for Countries, Cities, and Organizations: Maps and Comparisons?

SWPS 2015-11

Number of pages: 16 Posted: 08 Mar 2016

Loet Leydesdorff, Gaston Heimeriks and Daniele Rotolo

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), Utrecht University and SPRU (Science Policy Research Unit), University of Sussex

Downloads 24 (870,907)

Abstract:

Journal Portfolio Analysis for Countries, Cities, and Organizations: Maps and Comparisons?

Journal of the Association for Information Science and Technology (in press) Forthcoming

Number of pages: 16 Posted: 14 Apr 2015

Loet Leydesdorff, Gaston Heimeriks and Daniele Rotolo

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), Utrecht University and SPRU (Science Policy Research Unit), University of Sussex

Downloads 18 (930,611)

Abstract:

61.

Dimensions of Citation Analysis

Science, Technology & Human Values, 15(3) (1990) 305-335

Number of pages: 35 Posted: 12 May 2014

Loet Leydesdorff and Olga Amsterdamska

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and University of Amsterdam

Downloads 42 (706,714)

Citation 1

Abstract:

62.

Sociological and Communication - Theoretical Perspectives on the Commercialization of the Sciences

Science & Education, Forthcoming

Number of pages: 35 Posted: 09 Apr 2012

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 42 (706,714)

Abstract:

63.

The Effects of FDI on Innovation Systems in Hungarian Regions: Where is the Synergy Generated?

Regional Statistics, 2015, Vol 5, No 1: 3-24

Number of pages: 22 Posted: 25 Sep 2015 Last Revised: 26 Sep 2015

Balázs Lengyel and Loet Leydesdorff

Hungarian Academy of Sciences (HAS) - Institute of Economics CERS-HAS (IEHAS) and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 39 (727,072)

Citation 2

Abstract:

64.

Are Brazilian Innovation Systems Innovative? Regional and Sectorial Decompositions of Triple-Helix Synergies

Number of pages: 26 Posted: 21 Apr 2022

Mariza Almeida, Igone Porto Gomez and Loet Leydesdorff

Federal University of the State of Rio de Janeiro., University of the Basque Country and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 37 (741,243)

Citation 1

Abstract:

65.

Universitaire en Economische Pieken (Mountains and Valleys in University and Economics Research in the Netherlands)

ESB 101 (4742), 13 oktober 2016, 678-681

Number of pages: 7 Posted: 11 Oct 2016

W. Dolfsma and Loet Leydesdorff

University of Groningen School of Economics and Business and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 34 (763,057)

Abstract:

66.

Reference Publication Year Spectroscopy (RPYS): Origins and Applications of a Research Program [2014-2018]

Number of pages: 6 Posted: 02 Jun 2021

Loet Leydesdorff and Jordan A. Comins

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and Social and Behavioral Sciences Department, The MITRE Corporation, McLean, VA, United States

Downloads 32 (778,355)

Abstract:

67.

Between Texts and Contexts: Advances in Theories of Citation? (A Rejoinder)

Scientometrics 44 (1999) 169-182

Number of pages: 16 Posted: 15 Jun 2013

Loet Leydesdorff and Paul Wouters

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and Leiden University - Centre for Science and Technology Studies

Downloads 31 (786,163)

Citation 1

Abstract:

68.

The Relation Between Synergy and Cycle Values in the Regional Innovation Systems in Norway

Higher School of Economics Research Paper No. WP BRP 98/STI/2019

Number of pages: 34 Posted: 13 Sep 2019

Inga Ivanova, Øivind Strand and Loet Leydesdorff

National Research University Higher School of Economics (Moscow), Norwegian University of Science and Technology (NTNU) and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 28 (810,267)

Abstract:

69.

Werknemers en het Technologisch Vernieuwingsbeleid (Employees and Technological Innovation Policies)

Leydesdorff, L. (1984). Werknemers en het Technologisch Vernieuwingsbeleid. Amersfoort: De Horstink.

Number of pages: 334 Posted: 17 Jun 2019

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 28 (810,267)

Abstract:

70.

Uncertainty and the Communication of Time

Systems Research and Behavioral Science 11(4) (1994) pp. 31-51

Number of pages: 35 Posted: 10 Dec 2012

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 28 (810,267)

Citation 2

Abstract:

71.

'Interdisciplinarity' and 'Synergy' in the Œuvre of Judit Bar-Ilan

Number of pages: 22 Posted: 19 Apr 2020

Loet Leydesdorff and Lutz Bornmann

University of Amsterdam - Amsterdam School of Communication Research (ASCoR) and Max Planck Society for the Advancement of the Sciences

Downloads 25 (835,653)

Abstract:

72.

Hyperincursive Cogitata and Incursive Cogitantes: Scholarly Discourse as a Strongly Anticipatory System

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

Number of pages: 14 Posted: 06 Jan 2015

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 21 (871,865)

Abstract:

73.

The Measurement of “Interdisciplinarity” and “Synergy” in Scientific and Extra-Scientific Collaborations

Information Matters, Vol. 1, No. 9, 2021

Number of pages: 3 Posted: 07 Dec 2022

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Downloads 6 (1,013,192)

Abstract:

74.

A Comparison of the Knowledge-Based Innovation Systems in the Economies of South Korea and the Netherlands Using Triple Helix Indicators

University of Illinois at Urbana-Champaign's Academy for Entrepreneurial Leadership Historical Research Reference in Entrepreneurship

Posted: 17 Nov 2009

Han Woo Park, Heung Deug Hong and Loet Leydesdorff

affiliation not provided to SSRN, affiliation not provided to SSRN and University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Abstract:

75.

"While a Storm is Raging on the Open Sea": Regional Development in a Knowledge-Based Economy

University of Illinois at Urbana-Champaign's Academy for Entrepreneurial Leadership Historical Research Reference in Entrepreneurship

Posted: 09 Nov 2009

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Abstract:

76.

Measuring the Knowledge Base of an Economy in Terms of Triple-Helix Relations Among 'Technology, Organization, and Territory.'

University of Illinois at Urbana-Champaign's Academy for Entrepreneurial Leadership Historical Research Reference in Entrepreneurship

Posted: 09 Nov 2009

Loet Leydesdorff, W. Dolfsma and G. van der Panne

University of Amsterdam - Amsterdam School of Communication Research (ASCoR), University of Groningen School of Economics and Business and Delft University of Technology - Economics of Innovation

Loet Leydesdorff

University of Amsterdam - Amsterdam School of Communication Research (ASCoR)

Professor

76

Top 2,091

26,177

Top 6,483

163

87

Scholarly Papers (76)

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract:

Abstract: