Science & Technology Dynamics Amsterdam School of Communications Research (ASCoR) University of Amsterdam
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. <pdf-version>
Loet Leydesdorff & Sander Franse, The communication of meaning in social systems, Systems Research and Behavioral Science (forthcoming) <pdf-version>
Loet Leydesdorff & Caroline Wagner, International collaboration in science and the formation of a core group, Journal of Informetrics (forthcoming) <pdf-version> 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), (January 2009). <pdf-version>
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>
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>
Complexity science and intentional systems, Educational Research Review 3(1) (2008) 92-93. <pdf-version>
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.
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. in preparation:
* The Knowledge-Based Economy: The Potentially Globalizing and Self-Organizing Dynamics of Interactions among Differently Codified Systems of Communication; <pdf-version> * Loet Leydesdorff & Martin Meyer, The Triple Helix Model and the Knowledge-Based Economy; <pdf-version> * Uncertainty Reduction, Strong versus Weak Anticipation, and Innovative Capacities in a Triple Helix Model of the Knowledge-based Economy; <pdf-version> * Lengyel Balázs & Loet Leydesdorff, Measuring the Knowledge Base in Hungary: Triple Helix Dynamics in a Transition Economy <pdf-version> * Iina Hellsten, James Dawson, & Loet Leydesdorff, Implicit Media Frames: Automated analysis of public debate on artificial sweeteners; <pdf-version>
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.
„Während auf hoher See ein Sturm tobt...“: Innovationssysteme, regionale Entwicklung und wissensbasierte Ökonomie aus der Perspektive des Triple-Helix-Modells. In: Hanno Pahl und Lars Meier (Hrsg.), Kognitiver Kapitalismus. Marburg: Metropolis Verlag, pp. 163-193. The position of Tibor Braun’s Œuvre: Bibliographic Journal Coupling. In: The Multidimensional World of Tibor Braun, at the occasion of his 75th birthday, Wolfgang Glänzel, András Schubert, Balázs Schlemmer (Eds.) (Leuven: Steunpunt O&O, KU. )
Should Co-occurrence Data be Normalized? A Rejoinder to: Waltman, L., Van Eck, N. J. (2007). Some comments on the question whether co-occurrence data should be normalized. Journal of the American Society for Information Science and Technology 58(14), 2411-2413, 2007. "Betweenness Centrality" as an Indicator of the "Interdisciplinarity" of Scientific Journals, Journal of the American Society for Information Science and Technology 58(9), 1303-1309, 2007. <pdf-version>
Mapping Interdisciplinarity at the Interfaces between the Science Citation Index and the Social Science Citation Index, Scientometrics 71(3), 391-405, 2007; <pdf-version>
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.
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>
Indicators of Structural Change in the Dynamics of Science: Entropy Statistics of the SCI Journal Citation Reports, In: T. Braun (ed.), The Impact Factors of Scientific and Scholarly Journals. Its Use and Misuse. Budapest: Akadémiai Kiadó, 2007, pp. 97-126. (click here for pdf-version)
Top-down Decomposition of the Journal Citation Report of the Social Science Citation Index: Graph- and factor-analytical approaches. In: T. Braun (ed.), The Impact Factors of Scientific and Scholarly Journals. Its Use and Misuse. Budapest: Akadémiai Kiadó, 2007, pp. 127-148.
2006:
The Knowledge-Based Economy: Modeled, Measured, Simulated. Boca Raton, FL: Universal Publishers. 385 pp. ISBN 158112-937-8.
Anticipation and the Non-linear dynamics of Meaning-Processing in Social Systems, Paper to be presented at the World Congress of Sociology, Durban, July 2006. <pdf-version>
Loet Leydesdorff and Martin Meyer, Triple Helix Indicators of Knowledge-Based Innovation Systems (Introduction to the Special Issue), Research Policy, 35(10), 2006, 1441-1449. <pdf-version>
Hyperincursion and the Globalization of a Knowledge-Based Economy, In: D. M. Dubois (Ed.) Proceedings of the 7th Intern. Conf. on Computing Anticipatory Systems CASYS'05, Liège, Belgium, 8-13 August 2005. Melville, NY: American Institute of Physics Conference Proceedings, Vol. 839, 2006, pp. 560-569; <pdf-version> Loet Leydesdorff & Iina Hellsten, Measuring the Meaning of Words in Contexts: An automated analysis of controversies about 'Monarch butterflies,' 'Frankenfoods,' and 'stem cells.' Scientometrics 67(2), 2006, 231-258. <pdf-version>
Loet Leydesdorff and Michael Fritsch, Measuring the Knowledge Base of Regional Innovation Systems in Germany in terms of a Triple Helix Dynamics, Research Policy, 35(10), 2006, 1538-1553. <pdf-version>
Loet Leydesdorff, Wilfred Dolfsma, & Gerben van der Panne, Measuring the Knowledge Base of an Economy in terms of Triple-Helix Relations among 'Technology, Organization, and Territory', Research Policy 35(2), 2006, 181-199. <pdf-version>
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>
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.
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.
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.
2005:
Journal Maps and Local Impact Factors, Chronicle of Higher Education, 52(13), 2005, 18 November 2005; p. A55 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, Paper 7, at http://jasss.soc.surrey.ac.uk/8/2/7.html.
Journal Maps and Local Impact Factors, Chronicle of Higher Education, 52(13), 2005, 18 November 2005; p. A55
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, Paper 7, at http://jasss.soc.surrey.ac.uk/8/2/7.html.
Loet Leydesdorff & Janelle Ward, Science Shops: A Kaleidoscope of Science-Society Collaborations in Europe. Public Understanding of Science 14(4), 2005, 353-372 <pdf-version>
The Triple Helix Model and the Study of Knowledge-Based Innovation Systems, Int. Journal of Contemporary Sociology 42(1), 2005, 12-27 <pdf-version>
Loet Leydesdorff & Jin Bihui, Mapping the Chinese Science Citation Database in terms of aggregated journal-journal citation relations, Journal of the American Society of Information Science & Technology, 56(14) 1469-1479. [The classification and mapping of journals is available at http://www.leydesdorff.net/china01.]
Similarity Measures, Author Cocitation Analysis, and Information Theory, Journal of the American Society for Information Science and Technology (JASIST), 56(7), 2005, 769-772. <pdf-version>
The Evaluation of Research and the Evolution of Science Indicators, Current Science, 89(9), 2005, 1510-1517. <pdf-version>
Die Mathematik und andere Kurzsprachen, [The Code of Mathematics: John von Neumann’s The Computer and the Brain (1958),] pp. 55-64 in Dirk Baecker (Ed.), Schlüsselwerke der Systemtheorie [Key Works of Systems Theory]. Wiesbaden: Verlag für Sozialwissenschaften, 2005.
Caroline Wagner & Loet Leydesdorff, Network Structure, Self-Organization and the Growth of International Collaboration in Science, Research Policy, 34(10), 2005, 1608-1618 <pdf-version>
Caroline Wagner and Loet Leydesdorff, Mapping Global Science using International Co-authorships: A Comparison of 1990 and 2000, International Journal of Technology and Globalization 1(2), 2005, 185-208 <pdf version>.
Han Woo Park, Loet Leydesdorff, Heung Deug Hong, & Sung Jo Hung, Indicators for the Knowledge-based Economy: A Comparison between South Korea and The Netherlands. Scientometrics 65(1), 2005, 3-27; <pdf-version>. Mathematical, Biological, and Computational Explanations, Review of: Making Sense of Life: Eplaining Biological Development Models, Metaphors, and Machines. Evelyn Fox Keller. Harvard University Press, Cambridge, Massachussets, 2002. Heredity 94(4), 2005, 458.
Loet Leydesdorff & Iina Hellsten, Metaphors and Diaphors in Science Communication: Mapping the Case of ‘Stem-Cell Research’, Science Communication 27(1), 2005, 64-99. <pdf-version>
The Scientific Impact of China, Scientometrics 63(2), 2005, 411f.
Caroline S. Wagner, Jonathan Cave, Tom Tesch, Verna Allee, Rober Thomson, Loet Leydesdorff, Maarten Botterman, ERAnets Evaluation of Collaboration Among Participants of IST Research and their Evolution to Collaborations in the European Research Area (ERA), Prepared for the European Commission Directorate-General Information Society, RAND Europe, 31 March 2005.
Andrea Pitasi, Stato, mercato, università: la tripla elica delle relazioni sistemiche, Intervista con Loet Leydesdorff, Desk, 1/2005, 25-27 [English version at http://www.univie.ac.at/constructivism/papers/2004/pitasi-leydesdorff.html]
Ronald N. Kostoff, J. Antonio del Río, Héctor D. Cortés, Charles Smith, Andrew Smith, Caroline Wagner, Loet Leydesdorff, George Karypis, Guido Malpohl, and Rene Tshiteya, The structure and infrastructure of Mexico's science and technology, Technological Forecasting and Social Change, 72 (7) , 2005, 798-814
Zhou, Ping & Loet Leydesdorff, 2004年中国的纳米技术研究成果世界领先 [China's research output in nanotech takes the lead in the world in 2004: The world position of China’s publications], Chinese S&T Daily, 23 October 2004. Top-down Decomposition of the Journal Citation Report of the Social Science Citation Index: Graph- and factor-analytical approaches. Scientometrics 60 (2), 2004, 159-180. [The classification and mapping of journals in the Social Science Citation Index 2001 is available at http://www.leydesdorff.net/sosci01.]
Clusters and Maps of Science Journals Based on Bi-connected Graphs in the Journal Citation Reports, Journal of Documentation, 60(4), 2004, 317-427. [The classification and mapping of journals in the Science Citation Index 2001 is available at http://www.leydesdorff.net/jcr01.] <pdf-version>
The University-Industry Knowlege Relationship: Analyzing Patents and the Science Base of Technologies, Journal of the American Society for Information Science and Technology (JASIST), 55(11), 2004, 991-1001; <pdf-version>
科研评价 和科学计量学的研究纲领¾二者关系的历史演变与重新 定义 (The Evaluation of Research and the Scientometric Research Program: Historical evolution and redefinition of the relationship). 科学学研究 (Studies in Science of Science), 22(3), 2004, 225-232 <pdf-version in Chinese>
Loet Leydesdorff and Jin Bihui, "Mapping the Chinese Science Citation Database." In: Linda Schamber and Carol L. Barry (Eds.), Proceedings of the 67th ASIS&T Annual Meeting, Vol. 41 (Medford, NJ: Information Today, 2004), pp. 488-495.
Paul Wouters, Iina Hellsten, and Loet Leydesdorff, Internet time and the reliability of search engines, First Monday 9(10), October 2004.
Koen Frenken and Loet Leydesdorff, Scientometrics and the Evaluation of European Integration. Pp. 87-102 in: Jan Ulijn and Terrence Brown (Eds.), Innovation, Entrepreneurship and Culture: The Interaction between Technology, Progress and Economic Growth. Cheltenham, UK and Northhampton, MA: Edward Elgar Publishing.
Corinna Fischer, Loet Leydesdorff, & Malte Schophaus, Science Shops in Europe: The Public as Stakeholder, Science & Public Policy, 31(3), 2004, 199-211.
Han Woo Park, Loet Leydesdorff, Heung Deug Hong, and Sung Jo Hong, , [Triple-Helix Indicators for the knowledge-based innovation system: A comparison between South Korea and The Netherlands], Journal of the Korean Data Analysis Society 6(5), October 2004, pp. 1389-1402 <pdf-version Acrobat 6>.
Han Woo Park & Loet Leydesdorff. Understanding KrKwic: A computer program for the analysis of Korean text. Journal of the Korean Data Analysis Society 6(5), October 2004, pp. 1377-1387 <pdf-version Acrobat 6>
Loet Leydesdorff & Janelle Ward, Communication of Science Shop Mediation: A Kaleidoscope of University-Society Relations, INTERACTS: Improving Improving Interaction between NGOs, Universities, and Science Shops: Experiences and Expectations. Fifth RTD Framework Programme, The European Commission/DG 12, Contract No. HPV1-CT-2001-60039.
Sturen met een dichtgeplakte voorruit: duurzame ontwikkeling en technologische innovatie, EUForum 3(4), 2004, 28-29.
2003:
The Construction and Globalization of the Knowledge Base in Inter-human Communication Systems, Canadian Journal of Communication 28(3), 267-289; <pdf version>
A methodological perspective on the evaluation of the promotion of university-industry-government relations, Small Business Economics 20(2) (2003) 201-204.
Can Networks of Journal-Journal Citations Be Used as Indicators of Change in the Social Sciences? Journal of Documentation 59(1) (2003), 84-104.
Indicators for Measurement of the Knowledge Base, Pantaneto Forum Issue 10, at http://www.pantaneto.co.uk/issue10/leydesdorff.htm
Loet Leydesdorff and Henry Etzkowitz, Can “The Public” Be Considered as a Fourth Helix in University-Industry-Government Relations? Report of the Fourth Triple Helix Conference, Science & Public Policy 30(1) (2003) 55-61.
Loet Leydesdorff and Martin Meyer, The Triple Helix of University-Industry-Government Relations: Introduction to the Topical Issue, Scientometrics 58(2), 191-203.
Loet Leydesdorff & Andrea Scharnhorst, Measuring the Knowledge Base: A Program of Innovation Studies. Report to the Bundesministerium für Bildung und Forschung. Berlin-Brandenburgische Akademie der Wissenschaften, March 2003; at http://www.sciencepolicystudies.de/dok/expertise-leydesdorff-scharnhorst.pdf or at http://www.leydesdorff.net/bmbf02/indicators.pdf
The Mutual Information of University-Industry-Government Relations: An Indicator of the Triple Helix Dynamics, Scientometrics 58(2), 445-467. <pdf-version>
"Interaction" versus "action," and Luhmann's sociology of communication. In: Colin B. Grant (Ed.), Rethinking Communicative Interaction: New Interdisciplinary Horizons. Amsterdam, John Benjamins (pp. 163-186). <pdf-version>
Ke Xue Ji Liang Xue De Tiao Zhan: Ke Xue Jiao Liu de Fa Zhan ce du he Zi Zu Zhi [The Challenge of Scientometrics: The development, measurement, and self-organization of scientific communications], translated by Wu Yishan et al., Beijing: Scientific and Technical Documents Publishing House, 2003.
Caroline Wagner and Loet Leydesdorff, Seismology as a dynamic, distributed area of scientific research, Scientometrics 58(1) (2003) 91-114.
Communication and Knowledge: How is the Knowledge Base of an Economy Constructed? 15th Annual Meeting of the Society for Social Economics (SASE), Aix-en-Provence, 27 June 2003 < pdf-version >
Empirical Evidence of Self-Organization? A Rejoinder, Journal of the American Society for Information Science and Technology 54(8) (2003) 804; and the rejoinder in the second instance at 54(11) 1077f.
Riccardo Viale and Loet Leydesdorff, Qualità e quantità nella scientometria, in: Riccardo Viale and Andrea Cerroni (Eds.), Valutare la Scienza. Soveria Mannelli: Rubbettino, pp. 21-45.
Loet Leydesdorff and Peter van den Besselaar, La scientometria e la teoria della comunicazione: verso indicatori basati su informazioni teoriche, in: Riccardo Viale and Andrea Cerroni (Eds.), Valutare la Scienza. Soveria Mannelli: Rubbettino, pp. 309-330.
Caroline Wagner and Loet Leydesdorff, Mapping global science using international co-authorships: A comparison of 1990 and 2000. In: J. Guohua, R. Rousseau, W. Yishan (Eds.), Proceedings of the 9th International Conference on Scientometrics and Informetrics. Dalian: Dalian University of Technology Press, pp. 330-340.
The mutual information as an indicator of complexity and self-organization in relational systems, In: J. Guohua, R. Rousseau, W. Yishan (Eds.), Proceedings of the 9th International Conference on Scientometrics and Informetrics. Dalian: Dalian University of Technology Press, pp. 161-171.
The Opening of Systems Theory. Report of the Luhmann Workshop at the Copenhagen Business School, 23-25 May 2003, Journal of Sociocybernetics 4(1), 47-53.
2002:
The Complex Dynamics of Technological Innovation: A Comparison of Models Using Cellular Automata , Systems Research and Behavioural Science 19(6) (2002) 563-575.
Dynamic and Evolutionary Updates of Classificatory Schemes in Scientific Journal Structures, Journal of the American Society for Information Science and Technology (JASIST), 53(12) (2002) 987-994..
Some Epistemological Implications of Semiosis in the Social Domain, Semiotics, Evolution, Energy, and Development (SEED) Journal 2(3) (2002) 60-83
The Communication Turn in the Theory of Social Systems, Systems Research and Behavioral Science 19 (2002) 129-136..
Indicators of Structural Change in the Dynamics of Science: Entropy Statistics of the SCI Journal Citation Reports, Scientometrics 53(1) (2002) 131-159 (click here for pdf-version)
Loet Leydesdorff, Philip Cooke, and Mikel Olazaran, “Technology Transfer in European Regions: Introduction to the Special Issue,” Journal of TechnologyTransfer27(1) (2002) 5-13.
(with Philip Cooke and Mikel Olazaran, Eds.), Special issue: Regional Innovation Systems in Europe, Journal of Technology Transfer 27(1) (2002) 5-145.
Complexity and Technology, in: Theme section KM 1.29- Knowledge Management, Organizational Intelligence and Learning, and Complexity, Encyclopedia of Life Support Systems (EOLSS). Oxford, UK: Eolss Publishers, 2002; at <http://www.eolss.net>.
Byzonytalanság és az "idö" kommunikációja, Információs Társadalom (The Hungarian Information Society) 11(2), (2002) 40-59.
May There Be A "Socionomy" Beyond "Sociology"? SCIPOLICY--The Journal of Science and Health Policy 2(1), 2002, at http://home.att.net/~Scipolicy/index.htm
De non-lineaire dynamica's van wetenschappelijke en technologische ontwikkelingen, Wetenschap, Technologie & Samenleving 10(1) (2002) 16-19 (pdf-version).
"The Globalization of an Author," a webpage <http://www.freeweb.hu/tibor-braun/braun70/!loet.html> for the 70th birthday of Tibor Braun, the Editor of Scientometrics.
2001:
"Scientometrics," in: Neil J. Smelser and Paul B. Baltes (Editors), International Encyclopedia of the Social and Behavioral Sciences. Oxford, UK: Elsevier, Vol. 20, pp. 13752-5.
Loet Leydesdorff & Gaston Heimeriks, The Self-Organization of the European Information Society: The case of "biotechnology", Journal of the American Society for Information Science and Technology JASIST 52(14) (2001) 1262-1274.
Re-Thinking the Relations Between Texts and Contexts in Science, (Book Review of Re-Thinking Science: Knowledge and the Public in an Age of Uncertainty), Science & Public Policy 28(6) (2001) 484-486.
Scientometrics and Science Studies, Bulletin de Méthodologie Sociologique, N 71, July 2001, pp. 79-91.
Technology and Culture: The Dissemination and the Potential 'Lock-in' of New Technologies, Journal of Artificial Societies and Social Simulation, Vol. 4, Issue 3, 2001, Paper 5, at <http://jasss.soc.surrey.ac.uk/4/3/5.html>
Knowledge-Based Innovation Systems and the Model of a Triple Helix of University-Industry-Government Relations, Paper to be presented at the Conference New Economic Windows: New Paradigms for the New Millenium, Salerno, Italy, September 2001 (click here for pdf-version)
Loet Leydesdorff and Zeng Guoping, University-Industry-Government Relations in China: An emergent national system of innovations, Industry and Higher Education 15(3) (2001) 179-182.
Marta Riba & Loet Leydesdorff, Why Catalonia cannot be considered as a Regional Innovation System, Scientometrics 50 (2) (2001) 215-240.
A Sociological Theory of Communication: The Self-Organization of the Knowledge-Based Society. Parkland, FL: Universal Publishers / uPublish.com; at http://www.universal-publishers.com/book.php?method=ISBN&book=1581126956 , 2001, 359 pp.
Indicators of Innovation in a Knowledge-based Economy. Cybermetrics, 5, Issue 1, (2001) Paper 2, at http://www.cindoc.csic.es/cybermetrics/articles/v5i1p2.htmlor http://www.cindoc.csic.es/cybermetrics/articles/v5i1p2.pdf
Loet Leydesdorff and Henry Etzkowitz, The Transformation of University-Industry-Government Relations, Electronic Journal of Sociology 5 (4), 2001, at http://www.sociology.org/content/vol005.004/th.html
Henry Etzkowitz and Loet Leydesdorff, Innovation Inspired: The Triple Helix of University-Industry-Government Relations, Technology Access Report 14 (10) (2001) 4-6.
Loet Leydesdorff and Henry Etzkowitz, A Triple Helix of University-Industry-Government Relations: Mode 2 and the Globalization of National Systems of Innovation, in: Science under Pressure (Aarhus: The Danish Institute for Studies in Research and Research Policy, 2001/1).
The Challenge of Scientometrics: The development, measurement, and self-organization of scientific communications. Parkland FL: Universal Publishers /uPublish.com, 2001, 2nd revised edition; at http://www.universal-publishers.com/book.php?method=ISBN&book=1581126816 , 355 pp.
Saientometorikus no chôsen: kagaku-gijyutsu-joho no jiko-soshiki-ka [The Challenge of Scientometrics: The development, measurement, and self-organization of scientific communications], translated into Japanese by Yuko Fujigaki, Takayuki Hayashi, Hideyuki Hirakawa, Junichiro Makino, Masahi Shirabe, and Hiroyuki Tomizawa. Tokyo: Tamagawa University Press, 2001.
“El nuevo régimen de comunicación en las relaciones Universidad-Empresa-Gobierno: una triple hélice de innovaciones,” Ekonomiaz 45 (3) (2001) 60-77.
‘The International Science Shop Network,’ EASST Review 20(1) (2001) 11-12.
The Complex Dynamics of Scientific Communication, in: Colin B. Grant and Donal McLaughlin (eds.), Language-Meaning-Social Construction. Interdisciplinary Studies (Amsterdam/New York: Rodopi, 2001), pp. 163-179.
“Pat Ensor, The Cybrarian's Manual 2. Chicago/London: American Library Association, 2000,” Book Review, Journal of Documentation 57 (6), 824-6.
2000:
Are EU Networks Anticipatory Systems? An empirical and analytical approach, in: Daniel M. Dubois (Ed.), Computing Anticipatory Systems -- CASYS'99 (Woodbury, NY: American Physics Institute, 2000), pp. 171-181.
Andrés Zelman & Loet Leydesdorff, Threaded Email Messages in Self-Organization and Science & Technology Studies Oriented Mailing Lists, Scientometrics 48(3) (2000) 361-380.
Luhmann, Habermas, and the Theory of Communication, Systems Research and Behavioral Science 17(3) (2000) 273-288. 本文的英文本发表于 (transl. Feng Jianpeng) <pdf-version>.
Is the European Union Becoming a Single Publication System? Scientometrics 47(2) (2000) 265-280.
A Triple Helix of University-Industry-Government Relations, Scipolicy-The Journal of Science & Health Policy, Vol. 1, No. 1 (2000), 51-60.
The Triple Helix: An evolutionary model of innovations Research Policy 29(2) (2000) 243-255.
Henry Etzkowitz & Loet Leydesdorff, "The Dynamics of Innovation: From National Systems and "Mode 2" to a Triple Helix of University-Industry-Government Relations," Introduction to the special "Triple Helix" issue of Research Policy 29(2) (2000) 109-123.
Koen Frenken & Loet Leydesdorff, Scaling Trajectories in Civil Aircraft (1913-1997), Research Policy 29(3) (2000) 331-348
Loet Leydesdorff & Michael Curran, Mapping University-Industry-Government Relations on the Internet: the Construction of Indicators for a Knowledge-based Economy, Cybermetrics 4 (2000), Issue 1, Paper 2 at <http://www.cindoc.csic.es/cybermetrics/articles/v4i1p2.html>.
Yuko Fujigaki & Loet Leydesdorff, "Quality Control and Validation Boundaries in a Triple Helix of University-Industry-Government Relations: ‘Mode 2’ and the Future of University Research," Social Science Information 39(4) (2000) 635-655.
Loet Leydesdorff and Henry Etzkowitz, "Le Mode 2" et la globalisation des systèmes d'innovation "nationaux": le modèle à triple hélice des relations entre université, industrie et gouvernement," Sociologie et Société, 32(1) (2000) 135-156.<pdf-version>
Loet Leydesdorff and Peter Van den Besselaar, Technological Development and Factor Substitution in a Complex and Dynamic System, Journal of Social and Evolutionary Systems 21(2) ([1998] 2000) 173-192.
Post-Institutionalism: A Regime of Fragmentation and Translation, Systemica 12 (2000) 229-241.
De ontwikkeling van haarscheurtjes in de wetenschapsontwikkeling: de wetenschapsdynamica van de wetenschapsdynamica, Tijdschrift voor Wetenschap, Technology & Samenleving 8 (2000) 127-131.
Rob Hagendijk & Loet Leydesdorff, De Internationale Productiviteit van de Universiteit van Amsterdam, at http://www.leydesdorff.net/uva/index.htm
Gaston Heimeriks, Loet Leydesdorff, & Peter van den Besselaar, Distributed scientific communication in the European information society: Some cases of mode 2 fields of research. Paper presented at Science & Technology Indicators Conference, Leiden, May 2000.
list of publications before 2000
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