Loet Leydesdorff
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- How Journal Rankings can suppress Interdisciplinary Research – A Comparison between Innovation Studies and Business & Management (RePEc:aal:abbswp:11-05)
by Ismael Rafols & Loet Leydesdorff & Alice O'Hare & Paul Nightingale & Andy Stirling - Synergy cycles in the Norwegian innovation system: The relation between synergy and cycle values (RePEc:arx:papers:1409.2760)
by Inga Ivanova & Oivind Strand & Loet Leydesdorff - Economic and Technological Complexity: A Model Study of Indicators of Knowledge-based Innovation Systems (RePEc:arx:papers:1602.02348)
by Inga Ivanova & Oivind Strand & Duncan Kushnir & Loet Leydesdorff - Mapping change in scientific specialties: A scientometric reconstruction of the development of artificial intelligence (RePEc:bla:jamest:v:47:y:1996:i:6:p:415-436)
by Peter van den Besselaar & Loet Leydesdorff - Why words and co‐words cannot map the development of the sciences (RePEc:bla:jamest:v:48:y:1997:i:5:p:418-427)
by Loet Leydesdorff - Reply about using co‐words (RePEc:bla:jamest:v:49:y:1998:i:1:p:98-99)
by Loet Leydesdorff - The self‐organization of the European Information Society: The case of “biotechnology” (RePEc:bla:jamist:v:52:y:2001:i:14:p:1262-1274)
by Loet Leydesdorff & Gaston Heimeriks - Dynamic and evolutionary updates of classificatory schemes in scientific journal structures (RePEc:bla:jamist:v:53:y:2002:i:12:p:987-994)
by Loet Leydesdorff - Rejoinder to Van den Besselaar's letter entitled “Descriptive statistics, inferential statistics, rhetorical statistics” (RePEc:bla:jamist:v:54:y:2003:i:11:p:1077-1078)
by Loet Leydesdorff - Empirical evidence of self‐organization? A rejoinder (RePEc:bla:jamist:v:54:y:2003:i:8:p:804-804)
by Loet Leydesdorff - The university–industry knowledge relationship: Analyzing patents and the science base of technologies (RePEc:bla:jamist:v:55:y:2004:i:11:p:991-1001)
by Loet Leydesdorff - Mapping the Chinese Science Citation Database in terms of aggregated journal–journal citation relations (RePEc:bla:jamist:v:56:y:2005:i:14:p:1469-1479)
by Loet Leydesdorff & Jin Bihui - Similarity measures, author cocitation analysis, and information theory (RePEc:bla:jamist:v:56:y:2005:i:7:p:769-772)
by Loet Leydesdorff - Classification and powerlaws: The logarithmic transformation (RePEc:bla:jamist:v:57:y:2006:i:11:p:1470-1486)
by Loet Leydesdorff & Stephen Bensman - Co‐occurrence matrices and their applications in information science: Extending ACA to the Web environment (RePEc:bla:jamist:v:57:y:2006:i:12:p:1616-1628)
by Loet Leydesdorff & Liwen Vaughan - Can scientific journals be classified in terms of aggregated journal‐journal citation relations using the Journal Citation Reports? (RePEc:bla:jamist:v:57:y:2006:i:5:p:601-613)
by Loet Leydesdorff - Visualization of the citation impact environments of scientific journals: An online mapping exercise (RePEc:bla:jamist:v:58:y:2007:i:1:p:25-38)
by Loet Leydesdorff - Should co‐occurrence data be normalized? A rejoinder (RePEc:bla:jamist:v:58:y:2007:i:14:p:2411-2413)
by 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 interjournal citation relations (RePEc:bla:jamist:v:58:y:2007:i:2:p:223-236)
by Ping Zhou & Loet Leydesdorff - Betweenness centrality as an indicator of the interdisciplinarity of scientific journals (RePEc:bla:jamist:v:58:y:2007:i:9:p:1303-1319)
by Loet Leydesdorff - On the normalization and visualization of author co‐citation data: Salton's Cosine versus the Jaccard index (RePEc:bla:jamist:v:59:y:2008:i:1:p:77-85)
by Loet Leydesdorff - Patent classifications as indicators of intellectual organization (RePEc:bla:jamist:v:59:y:2008:i:10:p:1582-1597)
by Loet Leydesdorff - Dynamic animations of journal maps: Indicators of structural changes and interdisciplinary developments (RePEc:bla:jamist:v:59:y:2008:i:11:p:1810-1818)
by Loet Leydesdorff & Thomas Schank - Main‐path analysis and path‐dependent transitions in HistCite™‐based historiograms (RePEc:bla:jamist:v:59:y:2008:i:12:p:1948-1962)
by Diana Lucio‐Arias & Loet Leydesdorff - Caveats for the use of citation indicators in research and journal evaluations (RePEc:bla:jamist:v:59:y:2008:i:2:p:278-287)
by Loet Leydesdorff - Co‐word analysis using the Chinese character set (RePEc:bla:jamist:v:59:y:2008:i:9:p:1528-1530)
by Loet Leydesdorff & Ping Zhou - An indicator of research front activity: Measuring intellectual organization as uncertainty reduction in document sets (RePEc:bla:jamist:v:60:y:2009:i:12:p:2488-2498)
by Diana Lucio‐Arias & Loet Leydesdorff - A global map of science based on the ISI subject categories (RePEc:bla:jamist:v:60:y:2009:i:2:p:348-362)
by Loet Leydesdorff & Ismael Rafols - National and international dimensions of the Triple Helix in Japan: University–industry–government versus international coauthorship relations (RePEc:bla:jamist:v:60:y:2009:i:4:p:778-788)
by Loet Leydesdorff & Yuan Sun - The relation between Pearson's correlation coefficient r and Salton's cosine measure (RePEc:bla:jamist:v:60:y:2009:i:5:p:1027-1036)
by Leo Egghe & Loet Leydesdorff - Definition and identification of journals as bibliographic and subject entities: Librarianship versus ISI Journal Citation Reports methods and their effect on citation measures (RePEc:bla:jamist:v:60:y:2009:i:6:p:1097-1117)
by Stephen J. Bensman & Loet Leydesdorff - How are new citation‐based journal indicators adding to the bibliometric toolbox? (RePEc:bla:jamist:v:60:y:2009:i:7:p:1327-1336)
by Loet Leydesdorff - The delineation of an interdisciplinary specialty in terms of a journal set: The case of communication studies (RePEc:bla:jamist:v:60:y:2009:i:8:p:1709-1718)
by Loet Leydesdorff & Carole Probst - Content‐based and algorithmic classifications of journals: Perspectives on the dynamics of scientific communication and indexer effects (RePEc:bla:jamist:v:60:y:2009:i:9:p:1823-1835)
by Ismael Rafols & Loet Leydesdorff - The communication of meaning and the structuration of expectations: Giddens' “structuration theory” and Luhmann's “self‐organization” (RePEc:bla:jamist:v:61:y:2010:i:10:p:2138-2150)
by Loet Leydesdorff - Scopus's source normalized impact per paper (SNIP) versus a journal impact factor based on fractional counting of citations (RePEc:bla:jamist:v:61:y:2010:i:11:p:2365-2369)
by Loet Leydesdorff & Tobias Opthof - Journal maps on the basis of Scopus data: A comparison with the Journal Citation Reports of the ISI (RePEc:bla:jamist:v:61:y:2010:i:2:p:352-369)
by Loet Leydesdorff & Félix de Moya‐Anegón & Vicente P. Guerrero‐Bote - Maps on the basis of the Arts & Humanities Citation Index: The journals Leonardo and Art Journal versus “digital humanities” as a topic (RePEc:bla:jamist:v:61:y:2010:i:4:p:787-801)
by Loet Leydesdorff & Alkim Almila Akdag Salah - A comparative study on communication structures of Chinese journals in the social sciences (RePEc:bla:jamist:v:61:y:2010:i:7:p:1360-1376)
by Ping Zhou & Xinning Su & Loet Leydesdorff - Mapping the geography of science: Distribution patterns and networks of relations among cities and institutes (RePEc:bla:jamist:v:61:y:2010:i:8:p:1622-1634)
by Loet Leydesdorff & Olle Persson - Science overlay maps: A new tool for research policy and library management (RePEc:bla:jamist:v:61:y:2010:i:9:p:1871-1887)
by Ismael Rafols & Alan L. Porter & Loet Leydesdorff - Scopus' SNIP indicator: Reply to Moed (RePEc:bla:jamist:v:62:y:2011:i:1:p:214-215)
by Loet Leydesdorff & Tobias Opthof - Which cities produce more excellent papers than can be expected? A new mapping approach, using Google Maps, based on statistical significance testing (RePEc:bla:jamist:v:62:y:2011:i:10:p:1954-1962)
by Lutz Bornmann & Loet Leydesdorff - Integrated impact indicators compared with impact factors: An alternative research design with policy implications (RePEc:bla:jamist:v:62:y:2011:i:11:p:2133-2146)
by Loet Leydesdorff & Lutz Bornmann - The structure of the Arts & Humanities Citation Index: A mapping on the basis of aggregated citations among 1,157 journals (RePEc:bla:jamist:v:62:y:2011:i:12:p:2414-2426)
by Loet Leydesdorff & Björn Hammarfelt & Almila Salah - How fractional counting of citations affects the impact factor: Normalization in terms of differences in citation potentials among fields of science (RePEc:bla:jamist:v:62:y:2011:i:2:p:217-229)
by Loet Leydesdorff & Lutz Bornmann - Local emergence and global diffusion of research technologies: An exploration of patterns of network formation (RePEc:bla:jamist:v:62:y:2011:i:5:p:846-860)
by Loet Leydesdorff & Ismael Rafols - How to evaluate universities in terms of their relative citation impacts: Fractional counting of citations and the normalization of differences among disciplines (RePEc:bla:jamist:v:62:y:2011:i:6:p:1146-1155)
by Loet Leydesdorff & Jung C. Shin - Turning the tables on citation analysis one more time: Principles for comparing sets of documents (RePEc:bla:jamist:v:62:y:2011:i:7:p:1370-1381)
by Loet Leydesdorff & Lutz Bornmann & Rüdiger Mutz & Tobias Opthof - Bibliometric perspectives on medical innovation using the medical subject Headings of PubMed (RePEc:bla:jamist:v:63:y:2012:i:11:p:2239-2253)
by Loet Leydesdorff & Daniele Rotolo & Ismael Rafols - Accounting for the uncertainty in the evaluation of percentile ranks (RePEc:bla:jamist:v:63:y:2012:i:11:p:2349-2350)
by Loet Leydesdorff - Publish or patent: Bibliometric evidence for empirical trade‐offs in national funding strategies (RePEc:bla:jamist:v:63:y:2012:i:3:p:498-511)
by R. D. Shelton & Loet Leydesdorff - Mapping (USPTO) patent data using overlays to Google Maps (RePEc:bla:jamist:v:63:y:2012:i:7:p:1442-1458)
by Loet Leydesdorff & Lutz Bornmann - Percentile ranks and the integrated impact indicator (I3) (RePEc:bla:jamist:v:63:y:2012:i:9:p:1901-1902)
by Loet Leydesdorff & Lutz Bornmann - How can journal impact factors be normalized across fields of science? An assessment in terms of percentile ranks and fractional counts (RePEc:bla:jamist:v:64:y:2013:i:1:p:96-107)
by Loet Leydesdorff & Ping Zhou & Lutz Bornmann - Field‐normalized impact factors (IFs): A comparison of rescaling and fractionally counted IFs (RePEc:bla:jamist:v:64:y:2013:i:11:p:2299-2309)
by Loet Leydesdorff & Filippo Radicchi & Lutz Bornmann & Claudio Castellano & Wouter de Nooy - The Triple Helix of university‐industry‐government relations at the country level and its dynamic evolution under the pressures of globalization (RePEc:bla:jamist:v:64:y:2013:i:11:p:2317-2325)
by Fred Y. Ye & Susan S. Yu & Loet Leydesdorff - Interactive overlays of journals and the measurement of interdisciplinarity on the basis of aggregated journal–journal citations (RePEc:bla:jamist:v:64:y:2013:i:12:p:2573-2586)
by Loet Leydesdorff & Ismael Rafols & Chaomei Chen - Citation analysis with medical subject Headings (MeSH) using the Web of Knowledge: A new routine (RePEc:bla:jamist:v:64:y:2013:i:5:p:1076-1080)
by Loet Leydesdorff & Tobias Opthof - Statistical tests and research assessments: A comment on Schneider (2012) (RePEc:bla:jamist:v:64:y:2013:i:6:p:1306-1308)
by Lutz Bornmann & Loet Leydesdorff - The Swedish system of innovation: Regional synergies in a knowledge‐based economy (RePEc:bla:jamist:v:64:y:2013:i:9:p:1890-1902)
by Loet Leydesdorff & Øivind Strand - The communication of meaning and the structuration of expectations: Giddens' “structuration theory” and Luhmann's “self-organization” (RePEc:bla:jinfst:v:61:y:2010:i:10:p:2138-2150)
by Loet Leydesdorff - Scopus's source normalized impact per paper (SNIP) versus a journal impact factor based on fractional counting of citations (RePEc:bla:jinfst:v:61:y:2010:i:11:p:2365-2369)
by Loet Leydesdorff & Tobias Opthof - Journal maps on the basis of Scopus data: A comparison with the Journal Citation Reports of the ISI (RePEc:bla:jinfst:v:61:y:2010:i:2:p:352-369)
by Loet Leydesdorff & Félix de Moya-Anegón & Vicente P. Guerrero-Bote - Maps on the basis of the Arts & Humanities Citation Index: The journals Leonardo and Art Journal versus “digital humanities” as a topic (RePEc:bla:jinfst:v:61:y:2010:i:4:p:787-801)
by Loet Leydesdorff & Alkim Almila Akdag Salah - A comparative study on communication structures of Chinese journals in the social sciences (RePEc:bla:jinfst:v:61:y:2010:i:7:p:1360-1376)
by Ping Zhou & Xinning Su & Loet Leydesdorff - Mapping the geography of science: Distribution patterns and networks of relations among cities and institutes (RePEc:bla:jinfst:v:61:y:2010:i:8:p:1622-1634)
by Loet Leydesdorff & Olle Persson - Science overlay maps: A new tool for research policy and library management (RePEc:bla:jinfst:v:61:y:2010:i:9:p:1871-1887)
by Ismael Rafols & Alan L. Porter & Loet Leydesdorff - Scopus' SNIP indicator: Reply to Moed (RePEc:bla:jinfst:v:62:y:2011:i:1:p:214-215)
by Loet Leydesdorff & Tobias Opthof - Which cities produce more excellent papers than can be expected? A new mapping approach, using Google Maps, based on statistical significance testing (RePEc:bla:jinfst:v:62:y:2011:i:10:p:1954-1962)
by Lutz Bornmann & Loet Leydesdorff - Integrated impact indicators compared with impact factors: An alternative research design with policy implications (RePEc:bla:jinfst:v:62:y:2011:i:11:p:2133-2146)
by Loet Leydesdorff & Lutz Bornmann - The structure of the Arts & Humanities Citation Index: A mapping on the basis of aggregated citations among 1,157 journals (RePEc:bla:jinfst:v:62:y:2011:i:12:p:2414-2426)
by Loet Leydesdorff & Björn Hammarfelt & Almila Salah - How fractional counting of citations affects the impact factor: Normalization in terms of differences in citation potentials among fields of science (RePEc:bla:jinfst:v:62:y:2011:i:2:p:217-229)
by Loet Leydesdorff & Lutz Bornmann - Local emergence and global diffusion of research technologies: An exploration of patterns of network formation (RePEc:bla:jinfst:v:62:y:2011:i:5:p:846-860)
by Loet Leydesdorff & Ismael Rafols - How to evaluate universities in terms of their relative citation impacts: Fractional counting of citations and the normalization of differences among disciplines (RePEc:bla:jinfst:v:62:y:2011:i:6:p:1146-1155)
by Loet Leydesdorff & Jung C. Shin - Turning the tables on citation analysis one more time: Principles for comparing sets of documents (RePEc:bla:jinfst:v:62:y:2011:i:7:p:1370-1381)
by Loet Leydesdorff & Lutz Bornmann & Rüdiger Mutz & Tobias Opthof - Bibliometric perspectives on medical innovation using the medical subject Headings of PubMed (RePEc:bla:jinfst:v:63:y:2012:i:11:p:2239-2253)
by Loet Leydesdorff & Daniele Rotolo & Ismael Rafols - Accounting for the uncertainty in the evaluation of percentile ranks (RePEc:bla:jinfst:v:63:y:2012:i:11:p:2349-2350)
by Loet Leydesdorff - Publish or patent: Bibliometric evidence for empirical trade-offs in national funding strategies (RePEc:bla:jinfst:v:63:y:2012:i:3:p:498-511)
by R. D. Shelton & Loet Leydesdorff - Mapping (USPTO) patent data using overlays to Google Maps (RePEc:bla:jinfst:v:63:y:2012:i:7:p:1442-1458)
by Loet Leydesdorff & Lutz Bornmann - Percentile ranks and the integrated impact indicator (I3) (RePEc:bla:jinfst:v:63:y:2012:i:9:p:1901-1902)
by Loet Leydesdorff & Lutz Bornmann - How can journal impact factors be normalized across fields of science? An assessment in terms of percentile ranks and fractional counts (RePEc:bla:jinfst:v:64:y:2013:i:1:p:96-107)
by Loet Leydesdorff & Ping Zhou & Lutz Bornmann - Field-normalized impact factors (IFs): A comparison of rescaling and fractionally counted IFs (RePEc:bla:jinfst:v:64:y:2013:i:11:p:2299-2309)
by Loet Leydesdorff & Filippo Radicchi & Lutz Bornmann & Claudio Castellano & Wouter Nooy - The Triple Helix of university-industry-government relations at the country level and its dynamic evolution under the pressures of globalization (RePEc:bla:jinfst:v:64:y:2013:i:11:p:2317-2325)
by Fred Y. Ye & Susan S. Yu & Loet Leydesdorff - Interactive overlays of journals and the measurement of interdisciplinarity on the basis of aggregated journal–journal citations (RePEc:bla:jinfst:v:64:y:2013:i:12:p:2573-2586)
by Loet Leydesdorff & Ismael Rafols & Chaomei Chen - Citation analysis with medical subject Headings (MeSH) using the Web of Knowledge: A new routine (RePEc:bla:jinfst:v:64:y:2013:i:5:p:1076-1080)
by Loet Leydesdorff & Tobias Opthof - Statistical tests and research assessments: A comment on Schneider (2012) (RePEc:bla:jinfst:v:64:y:2013:i:6:p:1306-1308)
by Lutz Bornmann & Loet Leydesdorff - The Swedish system of innovation: Regional synergies in a knowledge-based economy (RePEc:bla:jinfst:v:64:y:2013:i:9:p:1890-1902)
by Loet Leydesdorff & Øivind Strand - Interdisciplinarity at the journal and specialty level: The changing knowledge bases of the journal cognitive science (RePEc:bla:jinfst:v:65:y:2014:i:1:p:164-177)
by Loet Leydesdorff & Robert L. Goldstone - International coauthorship relations in the Social Sciences Citation Index: Is internationalization leading the Network? (RePEc:bla:jinfst:v:65:y:2014:i:10:p:2111-2126)
by Loet Leydesdorff & Han Woo Park & Caroline Wagner - In search of a network theory of innovations: Relations, positions, and perspectives (RePEc:bla:jinfst:v:65:y:2014:i:11:p:2359-2374)
by Loet Leydesdorff & Petra Ahrweiler - Patterns of connections and movements in dual-map overlays: A new method of publication portfolio analysis (RePEc:bla:jinfst:v:65:y:2014:i:2:p:334-351)
by Chaomei Chen & Loet Leydesdorff - Mutual redundancies in interhuman communication systems: Steps toward a calculus of processing meaning (RePEc:bla:jinfst:v:65:y:2014:i:2:p:386-399)
by Loet Leydesdorff & Inga A. Ivanova - The “academic trace” of the performance matrix: A mathematical synthesis of the h-index and the integrated impact indicator (I3) (RePEc:bla:jinfst:v:65:y:2014:i:4:p:742-750)
by Fred Y. Ye & Loet Leydesdorff - Detecting the historical roots of research fields by reference publication year spectroscopy (RPYS) (RePEc:bla:jinfst:v:65:y:2014:i:4:p:751-764)
by Werner Marx & Lutz Bornmann & Andreas Barth & Loet Leydesdorff - Group-based trajectory modeling (GBTM) of citations in scholarly literature: Dynamic qualities of “transient” and “sticky knowledge claims” (RePEc:bla:jinfst:v:65:y:2014:i:4:p:797-811)
by Susanne E. Baumgartner & Loet Leydesdorff - Matching Medline/PubMed data with Web of Science: A routine in R language (RePEc:bla:jinfst:v:66:y:2015:i:10:p:2155-2159)
by Daniele Rotolo & Loet Leydesdorff - Journal maps, interactive overlays, and the measurement of interdisciplinarity on the basis of Scopus data (1996–2012) (RePEc:bla:jinfst:v:66:y:2015:i:5:p:1001-1016)
by Loet Leydesdorff & Félix Moya-Anegón & Vicente P. Guerrero-Bote - Measuring triple-helix synergy in the Russian innovation systems at regional, provincial, and national levels (RePEc:bla:jinfst:v:66:y:2015:i:6:p:1229-1238)
by Loet Leydesdorff & Evgeniy Perevodchikov & Alexander Uvarov - BRICS countries and scientific excellence: A bibliometric analysis of most frequently cited papers (RePEc:bla:jinfst:v:66:y:2015:i:7:p:1507-1513)
by Lutz Bornmann & Caroline Wagner & Loet Leydesdorff - The normalization of occurrence and Co-occurrence matrices in bibliometrics using Cosine similarities and Ochiai coefficients (RePEc:bla:jinfst:v:67:y:2016:i:11:p:2805-2814)
by Qiuju Zhou & Loet Leydesdorff - Highly cited papers in Library and Information Science (LIS): Authors, institutions, and network structures (RePEc:bla:jinfst:v:67:y:2016:i:12:p:3095-3100)
by Johann Bauer & Loet Leydesdorff & 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” (RePEc:bla:jinfst:v:67:y:2016:i:3:p:707-714)
by Loet Leydesdorff & Lutz Bornmann - Journal portfolio analysis for countries, cities, and organizations: Maps and comparisons (RePEc:bla:jinfst:v:67:y:2016:i:3:p:741-748)
by Loet Leydesdorff & Gaston Heimeriks & Daniele Rotolo - Replicability and the public/private divide (RePEc:bla:jinfst:v:67:y:2016:i:7:p:1777-1778)
by Loet Leydesdorff & Caroline Wagner & Lutz Bornmann - The construction of interdisciplinarity: The development of the knowledge base and programmatic focus of the journal Climatic Change, 1977–2013 (RePEc:bla:jinfst:v:67:y:2016:i:9:p:2181-2193)
by Iina Hellsten & Loet Leydesdorff - Aggregated journal–journal citation relations in scopus and web of science matched and compared in terms of networks, maps, and interactive overlays (RePEc:bla:jinfst:v:67:y:2016:i:9:p:2194-2211)
by Loet Leydesdorff & Félix Moya-Anegón & Wouter Nooy - Can “hot spots” in the sciences be mapped using the dynamics of aggregated journal–journal citation Relations? (RePEc:bla:jinfst:v:68:y:2017:i:1:p:197-213)
by Loet Leydesdorff & Wouter Nooy - Strategic intelligence on emerging technologies: Scientometric overlay mapping (RePEc:bla:jinfst:v:68:y:2017:i:1:p:214-233)
by Daniele Rotolo & Ismael Rafols & Michael M. Hopkins & Loet Leydesdorff - Co-word maps and topic modeling: A comparison using small and medium-sized corpora (N > 1,000) (RePEc:bla:jinfst:v:68:y:2017:i:4:p:1024-1035)
by Loet Leydesdorff & Adina Nerghes - Identification of long-term concept-symbols among citations: Do common intellectual histories structure citation behavior? (RePEc:bla:jinfst:v:68:y:2017:i:5:p:1224-1233)
by Jordan A. Comins & Loet Leydesdorff - Toward a calculus of redundancy: Signification, codification, and anticipation in cultural evolution (RePEc:bla:jinfst:v:69:y:2018:i:10:p:1181-1192)
by Loet Leydesdorff & Mark W. Johnson & Inga Ivanova - 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 (RePEc:bla:jinfst:v:70:y:2019:i:10:p:1108-1123)
by Loet Leydesdorff & Caroline S. Wagner & Igone Porto‐Gomez & Jordan A. Comins & Fred Phillips - The Relative Influences of Government Funding and International Collaboration on Citation Impact (RePEc:bla:jinfst:v:70:y:2019:i:2:p:198-201)
by Loet Leydesdorff & Lutz Bornmann & Caroline S. Wagner - Statistical significance and effect sizes of differences among research universities at the level of nations and worldwide based on the leiden rankings (RePEc:bla:jinfst:v:70:y:2019:i:5:p:509-525)
by Loet Leydesdorff & Lutz Bornmann & John Mingers - Automated analysis of actor–topic networks on twitter: New approaches to the analysis of socio‐semantic networks (RePEc:bla:jinfst:v:71:y:2020:i:1:p:3-15)
by Iina Hellsten & Loet Leydesdorff - The measurement of “interdisciplinarity” and “synergy” in scientific and extra‐scientific collaborations (RePEc:bla:jinfst:v:72:y:2021:i:4:p:387-402)
by Loet Leydesdorff & Inga Ivanova - Beer's Viable System Model and Luhmann's Communication Theory: ‘Organizations’ from the Perspective of Meta-Games (RePEc:bla:srbeha:v:32:y:2015:i:3:p:266-282)
by Mark William Johnson & Loet Leydesdorff - Redundancies in the communication of music: An operationalization of Schutz's ‘Making Music Together’ (RePEc:bla:srbeha:v:38:y:2021:i:6:p:923-939)
by Mark William Johnson & Loet Leydesdorff - A review of theory and practice in scientometrics (RePEc:eee:ejores:v:246:y:2015:i:1:p:1-19)
by Mingers, John & Leydesdorff, Loet - Introducing CitedReferencesExplorer (CRExplorer): A program for reference publication year spectroscopy with cited references standardization (RePEc:eee:infome:v:10:y:2016:i:2:p:503-515)
by Thor, Andreas & Marx, Werner & Leydesdorff, Loet & Bornmann, Lutz - Construction of a pragmatic base line for journal classifications and maps based on aggregated journal-journal citation relations (RePEc:eee:infome:v:10:y:2016:i:4:p:902-918)
by Leydesdorff, Loet & Bornmann, Lutz & Zhou, Ping - Skewness of citation impact data and covariates of citation distributions: A large-scale empirical analysis based on Web of Science data (RePEc:eee:infome:v:11:y:2017:i:1:p:164-175)
by Bornmann, Lutz & Leydesdorff, Loet - Heterogeneity in an undirected network: Definition and measurement (RePEc:eee:infome:v:11:y:2017:i:2:p:669-682)
by Hu, Xiaojun & Leydesdorff, Loet & Rousseau, Ronald - The negative effects of citing with a national orientation in terms of recognition: National and international citations in natural-sciences papers from Germany, the Netherlands, and the UK (RePEc:eee:infome:v:12:y:2018:i:3:p:931-949)
by Bornmann, Lutz & Adams, Jonathan & Leydesdorff, Loet - Patent citation spectroscopy (PCS): Online retrieval of landmark patents based on an algorithmic approach (RePEc:eee:infome:v:12:y:2018:i:4:p:1223-1231)
by Comins, Jordan A. & Carmack, Stephanie A. & Leydesdorff, Loet - Interdisciplinarity as diversity in citation patterns among journals: Rao-Stirling diversity, relative variety, and the Gini coefficient (RePEc:eee:infome:v:13:y:2019:i:1:p:255-269)
by Leydesdorff, Loet & Wagner, Caroline S. & Bornmann, Lutz - Does the public discuss other topics on climate change than researchers? A comparison of explorative networks based on author keywords and hashtags (RePEc:eee:infome:v:13:y:2019:i:2:p:695-707)
by Haunschild, Robin & Leydesdorff, Loet & Bornmann, Lutz & Hellsten, Iina & Marx, Werner - Within-journal self-citations and the Pinski-Narin influence weights (RePEc:eee:infome:v:14:y:2020:i:1:s1751157719302950)
by Prathap, Gangan & Mukherjee, Somenath & Leydesdorff, Loet - Disruption indices and their calculation using web-of-science data: Indicators of historical developments or evolutionary dynamics? (RePEc:eee:infome:v:15:y:2021:i:4:s1751157721000900)
by Leydesdorff, Loet & Bornmann, Lutz - International collaboration in science and the formation of a core group (RePEc:eee:infome:v:2:y:2008:i:4:p:317-325)
by Leydesdorff, Loet & Wagner, Caroline S. - The dynamics of exchanges and references among scientific texts, and the autopoiesis of discursive knowledge (RePEc:eee:infome:v:3:y:2009:i:3:p:261-271)
by Lucio-Arias, Diana & Leydesdorff, Loet - Macro-level indicators of the relations between research funding and research output (RePEc:eee:infome:v:3:y:2009:i:4:p:353-362)
by Leydesdorff, Loet & Wagner, Caroline - A meta-evaluation of scientific research proposals: Different ways of comparing rejected to awarded applications (RePEc:eee:infome:v:4:y:2010:i:3:p:211-220)
by Bornmann, Lutz & Leydesdorff, Loet & Van den Besselaar, Peter - Caveats for the journal and field normalizations in the CWTS (“Leiden”) evaluations of research performance (RePEc:eee:infome:v:4:y:2010:i:3:p:423-430)
by Opthof, Tobias & Leydesdorff, Loet - Indicators of the interdisciplinarity of journals: Diversity, centrality, and citations (RePEc:eee:infome:v:5:y:2011:i:1:p:87-100)
by Leydesdorff, Loet & Rafols, Ismael - Fractional counting of citations in research evaluation: A cross- and interdisciplinary assessment of the Tsinghua University in Beijing (RePEc:eee:infome:v:5:y:2011:i:3:p:360-368)
by Zhou, Ping & Leydesdorff, Loet - The semantic mapping of words and co-words in contexts (RePEc:eee:infome:v:5:y:2011:i:3:p:469-475)
by Leydesdorff, Loet & Welbers, Kasper - Mapping excellence in the geography of science: An approach based on Scopus data (RePEc:eee:infome:v:5:y:2011:i:4:p:537-546)
by Bornmann, Lutz & Leydesdorff, Loet & Walch-Solimena, Christiane & Ettl, Christoph - Interactive overlays: A new method for generating global journal maps from Web-of-Science data (RePEc:eee:infome:v:6:y:2012:i:2:p:318-332)
by Leydesdorff, Loet & Rafols, Ismael - Which are the best performing regions in information science in terms of highly cited papers? Some improvements of our previous mapping approaches (RePEc:eee:infome:v:6:y:2012:i:2:p:336-345)
by Bornmann, Lutz & Leydesdorff, Loet - Betweenness centrality as a driver of preferential attachment in the evolution of research collaboration networks (RePEc:eee:infome:v:6:y:2012:i:3:p:403-412)
by Abbasi, Alireza & Hossain, Liaquat & Leydesdorff, Loet - The use of percentiles and percentile rank classes in the analysis of bibliometric data: Opportunities and limits (RePEc:eee:infome:v:7:y:2013:i:1:p:158-165)
by Bornmann, Lutz & Leydesdorff, Loet & Mutz, Rüdiger - A bird's-eye view of scientific trading: Dependency relations among fields of science (RePEc:eee:infome:v:7:y:2013:i:2:p:249-264)
by Yan, Erjia & Ding, Ying & Cronin, Blaise & Leydesdorff, Loet - The validation of (advanced) bibliometric indicators through peer assessments: A comparative study using data from InCites and F1000 (RePEc:eee:infome:v:7:y:2013:i:2:p:286-291)
by Bornmann, Lutz & Leydesdorff, Loet - Decomposing social and semantic networks in emerging “big data” research (RePEc:eee:infome:v:7:y:2013:i:3:p:756-765)
by Park, Han Woo & Leydesdorff, Loet - Which percentile-based approach should be preferred for calculating normalized citation impact values? An empirical comparison of five approaches including a newly developed citation-rank approach (P1 (RePEc:eee:infome:v:7:y:2013:i:4:p:933-944)
by Bornmann, Lutz & Leydesdorff, Loet & Wang, Jian - Referenced Publication Years Spectroscopy applied to iMetrics: Scientometrics, Journal of Informetrics, and a relevant subset of JASIST (RePEc:eee:infome:v:8:y:2014:i:1:p:162-174)
by Leydesdorff, Loet & Bornmann, Lutz & Marx, Werner & Milojević, Staša - How to improve the prediction based on citation impact percentiles for years shortly after the publication date? (RePEc:eee:infome:v:8:y:2014:i:1:p:175-180)
by Bornmann, Lutz & Leydesdorff, Loet & Wang, Jian - The European Union, China, and the United States in the top-1% and top-10% layers of most-frequently cited publications: Competition and collaborations (RePEc:eee:infome:v:8:y:2014:i:3:p:606-617)
by Leydesdorff, Loet & Wagner, Caroline S. & Bornmann, Lutz - Does quality and content matter for citedness? A comparison with para-textual factors and over time (RePEc:eee:infome:v:9:y:2015:i:3:p:419-429)
by Bornmann, Lutz & Leydesdorff, Loet - The dynamics of triads in aggregated journal–journal citation relations: Specialty developments at the above-journal level (RePEc:eee:infome:v:9:y:2015:i:3:p:542-554)
by de Nooy, Wouter & Leydesdorff, Loet - Technological change and trade unions (RePEc:eee:respol:v:13:y:1984:i:3:p:153-164)
by Leydesdorff, Loet & Zeldenrust, Sjerp - Tracking areas of strategic importance using scientometric journal mappings (RePEc:eee:respol:v:23:y:1994:i:2:p:217-229)
by Leydesdorff, Loet & Cozzens, Susan & Van den Besselaar, Peter - The evaluation of national performance in selected priority areas using scientometric methods (RePEc:eee:respol:v:25:y:1996:i:3:p:431-450)
by Leydesdorff, Loet & Gauthier, Elaine - The dynamics of innovation: from National Systems and "Mode 2" to a Triple Helix of university-industry-government relations (RePEc:eee:respol:v:29:y:2000:i:2:p:109-123)
by Etzkowitz, Henry & Leydesdorff, Loet - The triple helix: an evolutionary model of innovations (RePEc:eee:respol:v:29:y:2000:i:2:p:243-255)
by Leydesdorff, Loet - Scaling trajectories in civil aircraft (1913-1997) (RePEc:eee:respol:v:29:y:2000:i:3:p:331-348)
by Frenken, Koen & Leydesdorff, Loet - Network structure, self-organization, and the growth of international collaboration in science (RePEc:eee:respol:v:34:y:2005:i:10:p:1608-1618)
by Wagner, Caroline S. & Leydesdorff, Loet - The emergence of China as a leading nation in science (RePEc:eee:respol:v:35:y:2006:i:1:p:83-104)
by Zhou, Ping & Leydesdorff, Loet - Triple Helix indicators of knowledge-based innovation systems: Introduction to the special issue (RePEc:eee:respol:v:35:y:2006:i:10:p:1441-1449)
by Leydesdorff, Loet & Meyer, Martin - Measuring the knowledge base of regional innovation systems in Germany in terms of a Triple Helix dynamics (RePEc:eee:respol:v:35:y:2006:i:10:p:1538-1553)
by Leydesdorff, Loet & Fritsch, Michael - Measuring the knowledge base of an economy in terms of triple-helix relations among 'technology, organization, and territory' (RePEc:eee:respol:v:35:y:2006:i:2:p:181-199)
by Leydesdorff, Loet & Dolfsma, Wilfred & Van der Panne, Gerben - Longitudinal trends in networks of university-industry-government relations in South Korea: The role of programmatic incentives (RePEc:eee:respol:v:39:y:2010:i:5:p:640-649)
by Park, Han Woo & Leydesdorff, Loet - How journal rankings can suppress interdisciplinary research: A comparison between Innovation Studies and Business & Management (RePEc:eee:respol:v:41:y:2012:i:7:p:1262-1282)
by Rafols, Ismael & Leydesdorff, Loet & O’Hare, Alice & Nightingale, Paul & Stirling, Andy - A triple helix model of medical innovation: Supply, demand, and technological capabilities in terms of Medical Subject Headings (RePEc:eee:respol:v:45:y:2016:i:3:p:666-681)
by Petersen, Alexander M. & Rotolo, Daniele & Leydesdorff, Loet - Economic and technological complexity: A model study of indicators of knowledge-based innovation systems (RePEc:eee:tefoso:v:120:y:2017:i:c:p:77-89)
by Ivanova, Inga & Strand, Øivind & Kushnir, Duncan & Leydesdorff, Loet - Innovation systems in México: A matter of missing synergies (RePEc:eee:tefoso:v:148:y:2019:i:c:s0040162518319826)
by Porto-Gomez, Igone & Zabala-Iturriagagoitia, Jon Mikel & Leydesdorff, Loet - Where is synergy indicated in the Norwegian innovation system? Triple-Helix relations among technology, organization, and geography (RePEc:eee:tefoso:v:80:y:2013:i:3:p:471-484)
by Strand, Øivind & Leydesdorff, Loet - Rotational symmetry and the transformation of innovation systems in a Triple Helix of university–industry–government relations (RePEc:eee:tefoso:v:86:y:2014:i:c:p:143-156)
by Ivanova, Inga A. & Leydesdorff, Loet - El nuevo régimen de comunicación en las relaciones universidad-empresa-gobierno: una triple hélice de innovaciones (RePEc:ekz:ekonoz:1999303)
by Loet Leydesdorff - Measuring the Knowledge Base of an Economy in Terms of Triple-Helix Relations (RePEc:elg:eechap:13300_11)
by Loet Leydesdorff & Wilfred Dolfsma & Gerben Van der Panne - The Knowledge-Based Economy and the Triple Helix Model (RePEc:elg:eechap:3799_2)
by Loet Leydesdorff - Measuring the Knowledge Base of an Economy in terms of Triple-Helix Relations among 'Technology, Organization, and Territory' (RePEc:ems:eureri:1300)
by Dolfsma, W.A. & Leydesdorff, L. & van der Panne, G. - Innovation Systems as Patent Networks (RePEc:ess:wpaper:id:1651)
by Wilfred Dolfsma - Unknown item RePEc:gam:joitmc:v:4:y:2018:i:2:p:16-:d:146606 (article)
- The Synergy and Cycle Values in Regional Innovation Systems: The Case of Norway (RePEc:hig:fsight:v:13:y:2019:i:1:p:48-61)
by Inga Ivanova & Oivind Strand & Loet Leydesdorff - The Efficiency of Triple-Helix Relations in Innovation Systems: Measuring the Connection between a Country’S Net Income and its Knowledge Base (RePEc:hig:wpaper:54sti2015)
by Inga Ivanova & Oivind Strand & Duncan Kushnir & Loet Leydesdorff - Unknown item RePEc:hig:wpaper:98sti2019 (paper)
- Technology and Culture: the Dissemination and the Potential 'Lock-In' of New Technologies (RePEc:jas:jasssj:2001-1-1)
by Loet Leydesdorff - Anticipatory Systems and the Processing of Meaning: a Simulation Study Inspired by Luhmann's Theory of Social Systems (RePEc:jas:jasssj:2004-43-3)
by Loet Leydesdorff - Smart Specialization Strategies at National, Regional, or Local Levels? Synergy and Policy-making in German Systems of Innovation (RePEc:jrp:jrpwrp:2020-007)
by Henriette Ruhrmann & Michael Fritsch & Loet Leydesdorff - Technology Transfer in European Regions: Introduction to the Special Issue (RePEc:kap:jtecht:v:27:y:2002:i:1:p:5-13)
by Leydesdorff, Loet & Cooke, Philip & Olazaran, Mikel - “While a Storm is Raging on the Open Sea”: Regional Development in a Knowledge-based Economy (RePEc:kap:jtecht:v:31:y:2006:i:1:p:189-203)
by Loet Leydesdorff - Regional Development in the Knowledge-Based Economy: The Construction of Advantage (RePEc:kap:jtecht:v:31:y:2006:i:1:p:5-15)
by Philip Cooke & Loet Leydesdorff - Measuring the expected synergy in Spanish regional and national systems of innovation (RePEc:kap:jtecht:v:44:y:2019:i:1:d:10.1007_s10961-017-9618-4)
by Loet Leydesdorff & Igone Porto-Gomez - A magyar gazdaság tudásalapú szerveződésének mérése. Az innovációs rendszerek szinergiáinak térbelisége
[Measuring the knowledge base of the Hungarian economy: spatial characteristics of innovation (RePEc:ksa:szemle:1002)
by Lengyel, Balázs & Leydesdorff, Loet - Past performance, peer review and project selection: a case study in the social and behavioral sciences (RePEc:oup:rseval:v:18:y:2009:i:4:p:273-288)
by Peter van den Besselaar & Loet Leydesdorff - An Integrated Impact Indicator: A new definition of 'Impact' with policy relevance (RePEc:oup:rseval:v:21:y:2012:i:3:p:183-188)
by Caroline S. Wagner & Loet Leydesdorff - Correction: Past performance, peer review, and project selection. Research Evaluation 18 (2009) Peter Van den Besselaar, Loet Leydesdorff (RePEc:oup:rseval:v:23:y:2014:i:4:p:381.)
by Peter van den Besselaar & Loet Leydesdorff - Emergence of a Triple Helix of university—industry—government relations (RePEc:oup:scippl:v:23:y:1996:i:5:p:279-286)
by Loet Leydesdorff & Henry Etzkowitz - Introduction to special issue on science policy dimensions of the Triple Helix of university-industry-government relations (RePEc:oup:scippl:v:24:y:1997:i:1:p:2-5)
by Henry Etzkowitz & Loet Leydesdorff - The Triple Helix as a model for innovation studies (RePEc:oup:scippl:v:25:y:1998:i:3:p:195-203)
by Loet Leydesdorff & Henry Etzkowitz - Re-thinking relations between texts and contexts in science (RePEc:oup:scippl:v:28:y:2001:i:6:p:484-486)
by Loet Leydesdorff - Can ‘the public’ be considered as a fourth helix in university-industry-government relations? Report on the Fourth Triple Helix Conference, 2002 (RePEc:oup:scippl:v:30:y:2003:i:1:p:55-61)
by Loet Leydesdorff & Henry Etzkowitz - Science shops in Europe: the public as stakeholder (RePEc:oup:scippl:v:31:y:2004:i:3:p:199-211)
by Corinna Fischer & Loet Leydesdorff & Malte Schophaus - Disclosure of university research to third parties: A non-market perspective on an Italian university (RePEc:oup:scippl:v:40:y:2013:i:6:p:792-800)
by Michelina Venditti & Emanuela Reale & Loet Leydesdorff - Challenges for regional innovation policies in Central and Eastern Europe: Spatial concentration and foreign control of US patenting (RePEc:oup:scippl:v:42:y:2015:i:1:p:1-14.)
by Balázs Lengyel & Tamás Sebestyén & Loet Leydesdorff - Identifying research fields within business and management: a journal cross-citation analysis (RePEc:pal:jorsoc:v:66:y:2015:i:8:p:1370-1384)
by John Mingers & Loet Leydesdorff - Do Scientific Advancements Lean on the Shoulders of Giants? A Bibliometric Investigation of the Ortega Hypothesis (RePEc:plo:pone00:0013327)
by Lutz Bornmann & Félix de Moya Anegón & Loet Leydesdorff - Macro-Indicators of Citation Impacts of Six Prolific Countries: InCites Data and the Statistical Significance of Trends (RePEc:plo:pone00:0056768)
by Lutz Bornmann & Loet Leydesdorff - University-Industry Collaboration in China and the USA: A Bibliometric Comparison (RePEc:plo:pone00:0165277)
by Ping Zhou & Robert Tijssen & Loet Leydesdorff - The geography of references in elite articles: Which countries contribute to the archives of knowledge? (RePEc:plo:pone00:0194805)
by Lutz Bornmann & Caroline Wagner & Loet Leydesdorff - The Effects of FDI on Innovation Systems in Hungarian Regions: Where is the Synergy Generated? (RePEc:pra:mprapa:73945)
by Lengyel, Balázs & Leydesdorff, Loet - Environment and Planning B: Planning and Design as a Journal: The Interdisciplinarity of its Environment and the Citation Impact (RePEc:sae:envirb:v:34:y:2007:i:5:p:826-838)
by Loet Leydesdorff - What Is the Effect of Synergy Provided by International Collaborations on Regional Economies? (RePEc:spr:jknowl:v:10:y:2019:i:1:d:10.1007_s13132-017-0480-2)
by Inga Ivanova & Øivind Strand & Loet Leydesdorff - The Triple Helix, Quadruple Helix, …, and an N-Tuple of Helices: Explanatory Models for Analyzing the Knowledge-Based Economy? (RePEc:spr:jknowl:v:3:y:2012:i:1:p:25-35)
by Loet Leydesdorff - The citation field of evolutionary economics (RePEc:spr:joevec:v:20:y:2010:i:5:p:645-664)
by Wilfred Dolfsma & Loet Leydesdorff - Decomposing the Triple-Helix synergy into the regional innovation systems of Norway: firm data and patent networks (RePEc:spr:qualqt:v:51:y:2017:i:3:d:10.1007_s11135-016-0344-z)
by Øivind Strand & Inga Ivanova & Loet Leydesdorff - On measuring complexity in a post-industrial economy: the ecosystem’s approach (RePEc:spr:qualqt:v:54:y:2020:i:1:d:10.1007_s11135-019-00844-2)
by Inga Ivanova & Nataliya Smorodinskaya & Loet Leydesdorff - Topical connections between the institutions within an organisation (institutional co-authorships, direct citation links and co-citations) (RePEc:spr:scient:v:102:y:2015:i:1:d:10.1007_s11192-014-1425-1)
by Lutz Bornmann & Loet Leydesdorff - Patents as instruments for exploring innovation dynamics: geographic and technological perspectives on “photovoltaic cells” (RePEc:spr:scient:v:102:y:2015:i:1:d:10.1007_s11192-014-1447-8)
by Loet Leydesdorff & Floortje Alkemade & Gaston Heimeriks & Rinke Hoekstra - How have the Eastern European countries of the former Warsaw Pact developed since 1990? A bibliometric study (RePEc:spr:scient:v:102:y:2015:i:2:d:10.1007_s11192-014-1439-8)
by Marcin Kozak & Lutz Bornmann & Loet Leydesdorff - Can intellectual processes in the sciences also be simulated? The anticipation and visualization of possible future states (RePEc:spr:scient:v:105:y:2015:i:3:d:10.1007_s11192-015-1630-6)
by Loet Leydesdorff - Can technology life-cycles be indicated by diversity in patent classifications? The crucial role of variety (RePEc:spr:scient:v:105:y:2015:i:3:d:10.1007_s11192-015-1639-x)
by Loet Leydesdorff - The normalization of co-authorship networks in the bibliometric evaluation: the government stimulation programs of China and Korea (RePEc:spr:scient:v:109:y:2016:i:2:d:10.1007_s11192-016-1978-2)
by Han Woo Park & Jungwon Yoon & Loet Leydesdorff - New features of CitedReferencesExplorer (CRExplorer) (RePEc:spr:scient:v:109:y:2016:i:3:d:10.1007_s11192-016-2082-3)
by Andreas Thor & Werner Marx & Loet Leydesdorff & Lutz Bornmann - Cited references and Medical Subject Headings (MeSH) as two different knowledge representations: clustering and mappings at the paper level (RePEc:spr:scient:v:109:y:2016:i:3:d:10.1007_s11192-016-2119-7)
by Loet Leydesdorff & Jordan A. Comins & Aaron A. Sorensen & Lutz Bornmann & Iina Hellsten - Measuring the match between evaluators and evaluees: cognitive distances between panel members and research groups at the journal level (RePEc:spr:scient:v:109:y:2016:i:3:d:10.1007_s11192-016-2132-x)
by A. I. M. Jakaria Rahman & Raf Guns & Loet Leydesdorff & Tim C. E. Engels - Professional and citizen bibliometrics: complementarities and ambivalences in the development and use of indicators—a state-of-the-art report (RePEc:spr:scient:v:109:y:2016:i:3:d:10.1007_s11192-016-2150-8)
by Loet Leydesdorff & Paul Wouters & Lutz Bornmann - Generating clustered journal maps: an automated system for hierarchical classification (RePEc:spr:scient:v:110:y:2017:i:3:d:10.1007_s11192-016-2226-5)
by Loet Leydesdorff & Lutz Bornmann & Caroline S. Wagner - Growth of international collaboration in science: revisiting six specialties (RePEc:spr:scient:v:110:y:2017:i:3:d:10.1007_s11192-016-2230-9)
by Caroline S. Wagner & Travis A. Whetsell & Loet Leydesdorff - Citation algorithms for identifying research milestones driving biomedical innovation (RePEc:spr:scient:v:110:y:2017:i:3:d:10.1007_s11192-016-2238-1)
by Jordan A. Comins & Loet Leydesdorff - Mapping patent classifications: portfolio and statistical analysis, and the comparison of strengths and weaknesses (RePEc:spr:scient:v:112:y:2017:i:3:d:10.1007_s11192-017-2449-0)
by Loet Leydesdorff & Dieter Franz Kogler & Bowen Yan - Betweenness and diversity in journal citation networks as measures of interdisciplinarity—A tribute to Eugene Garfield (RePEc:spr:scient:v:114:y:2018:i:2:d:10.1007_s11192-017-2528-2)
by Loet Leydesdorff & Caroline S. Wagner & Lutz Bornmann - Reference publication year spectroscopy (RPYS) of Eugene Garfield’s publications (RePEc:spr:scient:v:114:y:2018:i:2:d:10.1007_s11192-017-2608-3)
by Lutz Bornmann & Robin Haunschild & Loet Leydesdorff - Count highly-cited papers instead of papers with h citations: use normalized citation counts and compare “like with like”! (RePEc:spr:scient:v:115:y:2018:i:2:d:10.1007_s11192-018-2682-1)
by Lutz Bornmann & Loet Leydesdorff - Discontinuities in citation relations among journals: self-organized criticality as a model of scientific revolutions and change (RePEc:spr:scient:v:116:y:2018:i:1:d:10.1007_s11192-018-2734-6)
by Loet Leydesdorff & Caroline S. Wagner & Lutz Bornmann - Diversity and interdisciplinarity: how can one distinguish and recombine disparity, variety, and balance? (RePEc:spr:scient:v:116:y:2018:i:3:d:10.1007_s11192-018-2810-y)
by Loet Leydesdorff - hα: the scientist as chimpanzee or bonobo (RePEc:spr:scient:v:118:y:2019:i:3:d:10.1007_s11192-019-03004-3)
by Loet Leydesdorff & Lutz Bornmann & Tobias Opthof - How well does I3 perform for impact measurement compared to other bibliometric indicators? The convergent validity of several (field-normalized) indicators (RePEc:spr:scient:v:119:y:2019:i:2:d:10.1007_s11192-019-03071-6)
by Lutz Bornmann & Alexander Tekles & Loet Leydesdorff - The integrated impact indicator revisited (I3*): a non-parametric alternative to the journal impact factor (RePEc:spr:scient:v:119:y:2019:i:3:d:10.1007_s11192-019-03099-8)
by Loet Leydesdorff & Lutz Bornmann & Jonathan Adams - Historical roots of Judit Bar-Ilan’s research: a cited-references analysis using CRExplorer (RePEc:spr:scient:v:123:y:2020:i:3:d:10.1007_s11192-020-03438-0)
by Lutz Bornmann & Loet Leydesdorff - “Interdisciplinarity” and “Synergy” in the Œuvre of Judit Bar-Ilan (RePEc:spr:scient:v:123:y:2020:i:3:d:10.1007_s11192-020-03451-3)
by Loet Leydesdorff & Lutz Bornmann - Eco-system mapping of techno-science linkages at the level of scholarly journals and fields (RePEc:spr:scient:v:124:y:2020:i:3:d:10.1007_s11192-020-03435-3)
by Xiaozan Lyu & Ping Zhou & Loet Leydesdorff - Improved clusterings and visualizations of 11,359 journals in the JCRs 2015 (RePEc:spr:scient:v:126:y:2021:i:6:d:10.1007_s11192-021-03938-7)
by Loet Leydesdorff & Lutz Bornmann & Caroline S. Wagner - A discussion of measuring the top-1% most-highly cited publications: quality and impact of Chinese papers (RePEc:spr:scient:v:127:y:2022:i:4:d:10.1007_s11192-022-04291-z)
by Caroline S. Wagner & Lin Zhang & Loet Leydesdorff - A heuristic approach based on Leiden rankings to identify outliers: evidence from Italian universities in the European landscape (RePEc:spr:scient:v:128:y:2023:i:1:d:10.1007_s11192-022-04551-y)
by Cinzia Daraio & Simone Di Leo & Loet Leydesdorff - Retraction of Predatory publishing in Scopus: evidence on cross-country differences lacks justification (RePEc:spr:scient:v:128:y:2023:i:2:d:10.1007_s11192-022-04565-6)
by Giovanni Abramo & Isidro F. Aguillo & Dag W. Aksnes & Kevin Boyack & Quentin L. Burrell & Juan Miguel Campanario & Zaida Chinchilla-Rodríguez & Rodrigo Costas & Ciriaco Andrea D’Angelo & Anne-Wil Harz - Between texts and contexts: Advances in theories of citation? (A rejoinder) (RePEc:spr:scient:v:44:y:1999:i:2:d:10.1007_bf02457378)
by L. Leydesdorff & P. Wouters - Is the European Union Becoming a Single Publication System? (RePEc:spr:scient:v:47:y:2000:i:2:d:10.1023_a:1005639026643)
by Loet Leydesdorff - Threaded Email Messages in Self-Organization and Science & Technology Studies Oriented Mailing Lists (RePEc:spr:scient:v:48:y:2000:i:3:d:10.1023_a:1005640521616)
by Andrés Zelman & Loet Leydesdorff - Why Catalonia cannot be considered as a regional innovation system (RePEc:spr:scient:v:50:y:2001:i:2:d:10.1023_a:1010517505793)
by Marta Riba Vilanova & Loet Leydesdorff - Indicators of structural change in the dynamics of science: Entropy statistics of the SCI Journal Citation Reports (RePEc:spr:scient:v:53:y:2002:i:1:d:10.1023_a:1014892106059)
by Loet Leydesdorff - Seismology as a dynamic, distributed area of scientific research (RePEc:spr:scient:v:58:y:2003:i:1:d:10.1023_a:1025479524390)
by Caroline S. Wagner & Loet Leydesdorff - The mutual information of university-industry-government relations: An indicator of the Triple Helix dynamics (RePEc:spr:scient:v:58:y:2003:i:2:d:10.1023_a:1026253130577)
by Loet Leydesdorff - The Triple Helix of university-industry-government relations (RePEc:spr:scient:v:58:y:2003:i:2:d:10.1023_a:1026276308287)
by Loet Leydesdorff & Martin Meyer - Top-down decomposition of the Journal Citation Reportof the Social Science Citation Index: Graph- and factor-analytical approaches (RePEc:spr:scient:v:60:y:2004:i:2:d:10.1023_b:scie.0000027678.31097.e0)
by Loet Leydesdorff - Loet Leydesdorff wins the 2003 Derek John de Solla Price Medal (RePEc:spr:scient:v:60:y:2004:i:3:d:10.1023_b:scie.0000034371.06075.20)
by Loet Leydesdorff - Walk-round (RePEc:spr:scient:v:63:y:2005:i:2:d:10.1007_s11192-005-0220-4)
by Loet Leydesdorff & Virginia Trimnle & Péter Vinkler - Are the contributions of China and Korea upsetting the world system of science? (RePEc:spr:scient:v:63:y:2005:i:3:d:10.1007_s11192-005-0231-1)
by Loet Leydesdorff & Ping Zhou - A comparison of the knowledge-based innovation systems in the economies of South Korea and the Netherlands using Triple Helix indicators (RePEc:spr:scient:v:65:y:2005:i:1:d:10.1007_s11192-005-0257-4)
by Han Woo Park & Heung Deug Hong & Loet Leydesdorff - Measuring the meaning of words in contexts: An automated analysis of controversies about 'Monarch butterflies,' 'Frankenfoods,' and 'stem cells' (RePEc:spr:scient:v:67:y:2006:i:2:d:10.1007_s11192-006-0096-y)
by Loet Leydesdorff & Iina Hellsten - The scientometrics of a Triple Helix of university-industry-government relations (Introduction to the topical issue) (RePEc:spr:scient:v:70:y:2007:i:2:d:10.1007_s11192-007-0200-y)
by Loet Leydesdorff & Martin Meyer - Knowledge emergence in scientific communication: from “fullerenes” to “nanotubes” (RePEc:spr:scient:v:70:y:2007:i:3:d:10.1007_s11192-007-0304-4)
by Diana Lucio-Arias & Loet Leydesdorff - Nanotechnology as a field of science: Its delineation in terms of journals and patents (RePEc:spr:scient:v:70:y:2007:i:3:d:10.1007_s11192-007-0308-0)
by Loet Leydesdorff & Ping Zhou - Mapping interdisciplinarity at the interfaces between the Science Citation Index and the Social Science Citation Index (RePEc:spr:scient:v:71:y:2007:i:3:d:10.1007_s11192-007-1694-z)
by Loet Leydesdorff - The citation impacts and citation environments of Chinese journals in mathematics (RePEc:spr:scient:v:72:y:2007:i:2:d:10.1007_s11192-007-1713-0)
by Ping Zhou & Loet Leydesdorff - Korean journals in the Science Citation Index: What do they reveal about the intellectual structure of S&T in Korea? (RePEc:spr:scient:v:75:y:2008:i:3:d:10.1007_s11192-007-1862-1)
by Han Woo Park & Loet Leydesdorff - The delineation of nanoscience and nanotechnology in terms of journals and patents: A most recent update (RePEc:spr:scient:v:76:y:2008:i:1:d:10.1007_s11192-007-1889-3)
by Loet Leydesdorff - Is the United States losing ground in science? A global perspective on the world science system (RePEc:spr:scient:v:78:y:2009:i:1:d:10.1007_s11192-008-1830-4)
by Loet Leydesdorff & Caroline Wagner - Knowledge linkage structures in communication studies using citation analysis among communication journals (RePEc:spr:scient:v:81:y:2009:i:1:d:10.1007_s11192-009-2119-y)
by Han Woo Park & Loet Leydesdorff - The decline of university patenting and the end of the Bayh–Dole effect (RePEc:spr:scient:v:83:y:2010:i:2:d:10.1007_s11192-009-0001-6)
by Loet Leydesdorff & Martin Meyer - “Structuration” by intellectual organization: the configuration of knowledge in relations among structural components in networks of science (RePEc:spr:scient:v:88:y:2011:i:2:d:10.1007_s11192-011-0397-7)
by Loet Leydesdorff - Katy Börner: Atlas of science: visualizing what we know (RePEc:spr:scient:v:88:y:2011:i:2:d:10.1007_s11192-011-0409-7)
by Loet Leydesdorff - A comment to the paper by Waltman et al., Scientometrics, 87, 467–481, 2011 (RePEc:spr:scient:v:88:y:2011:i:3:d:10.1007_s11192-011-0424-8)
by Tobias Opthof & 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 (RePEc:spr:scient:v:90:y:2012:i:1:d:10.1007_s11192-011-0512-9)
by Ki-Seok Kwon & Han Woo Park & Minho So & Loet Leydesdorff - A rejoinder on energy versus impact indicators (RePEc:spr:scient:v:90:y:2012:i:2:d:10.1007_s11192-011-0502-y)
by Loet Leydesdorff & Tobias Opthof - Alternatives to the journal impact factor: I3 and the top-10% (or top-25%?) of the most-highly cited papers (RePEc:spr:scient:v:92:y:2012:i:2:d:10.1007_s11192-012-0660-6)
by Loet Leydesdorff - Testing differences statistically with the Leiden ranking (RePEc:spr:scient:v:92:y:2012:i:3:d:10.1007_s11192-012-0636-6)
by Loet Leydesdorff & Lutz Bornmann - An evaluation of impacts in “Nanoscience & nanotechnology”: steps towards standards for citation analysis (RePEc:spr:scient:v:94:y:2013:i:1:d:10.1007_s11192-012-0750-5)
by Loet Leydesdorff - Global maps of science based on the new Web-of-Science categories (RePEc:spr:scient:v:94:y:2013:i:2:d:10.1007_s11192-012-0784-8)
by Loet Leydesdorff & Stephen Carley & Ismael Rafols - Information metrics (iMetrics): a research specialty with a socio-cognitive identity? (RePEc:spr:scient:v:95:y:2013:i:1:d:10.1007_s11192-012-0861-z)
by Staša Milojević & Loet Leydesdorff - Statistics for the dynamic analysis of scientometric data: the evolution of the sciences in terms of trajectories and regimes (RePEc:spr:scient:v:96:y:2013:i:3:d:10.1007_s11192-012-0917-0)
by Loet Leydesdorff - A reply to Etzkowitz’ comments to Leydesdorff and Martin (2010): technology transfer and the end of the Bayh–Dole effect (RePEc:spr:scient:v:97:y:2013:i:3:d:10.1007_s11192-013-0997-5)
by Loet Leydesdorff & Martin Meyer - International collaboration clusters in Africa (RePEc:spr:scient:v:98:y:2014:i:1:d:10.1007_s11192-013-1060-2)
by Jonathan Adams & Karen Gurney & Daniel Hook & Loet Leydesdorff - Interactive overlay maps for US patent (USPTO) data based on International Patent Classification (IPC) (RePEc:spr:scient:v:98:y:2014:i:3:d:10.1007_s11192-012-0923-2)
by Loet Leydesdorff & Duncan Kushnir & Ismael Rafols - Measuring the knowledge-based economy of China in terms of synergy among technological, organizational, and geographic attributes of firms (RePEc:spr:scient:v:98:y:2014:i:3:d:10.1007_s11192-013-1179-1)
by Loet Leydesdorff & Ping Zhou - A routine for measuring synergy in university–industry–government relations: mutual information as a Triple-Helix and Quadruple-Helix indicator (RePEc:spr:scient:v:99:y:2014:i:1:d:10.1007_s11192-013-1079-4)
by Loet Leydesdorff & Han Woo Park & Balazs Lengyel - A simulation model of the Triple Helix of university–industry–government relations and the decomposition of the redundancy (RePEc:spr:scient:v:99:y:2014:i:3:d:10.1007_s11192-014-1241-7)
by Inga A. Ivanova & Loet Leydesdorff - Overlay Maps of Science: a New Tool for Research Policy (RePEc:sru:ssewps:179)
by Ismael Rafols & Alan Porter & Loet Leydesdorff - Scientometric Mapping as a Strategic Intelligence Tool for the Governance of Emerging Technologies (RePEc:sru:ssewps:2014-10)
by Daniele Rotolo & Ismael Rafols & Michael Hopkins & Loet Leydesdorff - Matching MEDLINE/PubMed Data with Web of Science (WOS): A Routine in R language (RePEc:sru:ssewps:2014-14)
by Daniele Rotolo & Loet Leydesdorff - Journal Portfolio Analysis for Countries, Cities, and Organizations: Maps and Comparisons? (RePEc:sru:ssewps:2015-11)
by Loet Leydesdorff & Gaston Heimeriks & Daniele Rotolo - The Measurement of Synergy in Innovation Systems: Redundancy Generation in a Triple Helix of University-Industry-Government Relations (RePEc:sru:ssewps:2017-08)
by Loet Leydesdorff & Henry Etzkowitz & Inga Ivanova & Martin Meyer - Using the Leiden Rankings as a Heuristics: Evidence from Italian universities in the European landscape (RePEc:ssa:lemwps:2022/08)
by Cinzia Daraio & Simone Di Leo & Loet Leydesdorff - Patent portfolio analysis of cities: statistics and maps of technological inventiveness (RePEc:taf:eurpls:v:26:y:2018:i:11:p:2256-2278)
by Dieter Franz Kogler & Gaston Heimeriks & Loet Leydesdorff - Unknown item RePEc:taf:promet:v:32:y:2014:i:4:p:321-336 (article)
- Regional Innovation Systems in Hungary: The Failing Synergy at the National Level (RePEc:taf:regstd:v:45:y:2011:i:5:p:677-693)
by Balazs Lengyel & Loet Leydesdorff - Synergy and policy-making in German innovation systems: Smart Specialisation Strategies at national, regional, local levels? (RePEc:taf:regstd:v:56:y:2022:i:9:p:1468-1479)
by Henriette Ruhrmann & Michael Fritsch & Loet Leydesdorff - Retraction of Predatory publishing in Scopus : Evidence on cross-country differences lacks justification (Retraction of Vol 126, Pg 1897, 2021) (RePEc:tiu:tiutis:e22b5042-c7f6-44f6-a989-d16250938147)
by Abramo, Giovanni & Aguillo, Isidro F. & Aksnes, Dag W. & Boyack, Kevin & Burrell, Quentin L. & Campanario, Juan Miguel & Chinchilla-Rodriguez, Zaida & Costas, Rodrigo & D'Angelo, Ciriaco Andrea & Harz - An Eco-Systems Approach To Constructing Economic Complexity Measures: Endogenization Of The Technological Dimension Using Lotka–Volterra Equations (RePEc:wsi:acsxxx:v:22:y:2019:i:01:n:s0219525918500236)
by Inga Ivanova & Øivind Strand & Loet Leydesdorff - Measuring the Knowledge Base of Regional Innovation Systems in Germany in terms of a Triple Helix Dynamics (RePEc:zbw:tufwps:200510)
by Leydesdorff, Loet & Fritsch, Michael