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Loet Leydesdorff
 
 

Science & Technology Dynamics
Amsterdam School of Communications Research (ASCoR)
University of Amsterdam

 

The Knowledge-Based Economy: Modeled, Measured, Simulated

  The Self-Organization of the Knowledge-Based Society
See review in JASIST 

 53(1), 62-63, 2002

 Second Edition 
(Internet)


 

Journal mapping
learn how to use this software

Coword analysis, Bibliographic Coupling, etc.
learn how to use this software
See for recent software at Indicators or Geo

Triple Helix

IPC Patents 2006 classified and organized by country

Input files for the vector-space models of 7525 journals processed in the Journal Citation Reports 2005 of the Science Citation Index and Social Science Citation Index (cited and citing). These files can be imported in Pajek for the visualization or in Ucinet for social network analysis.

Loet Leydesdorff & Zhou Ping, 中国科技期刊引文境的可 [Visualization of the Citation Impact Environments in the CSTPC Journal Set] with manual <取中国科技期刊引用/被引网络图的操作>

Centrality Measures of 7379 Journals included in the Science Citation Index and Social Science Citation Index 2004

Input files for the vector-space models of 7379 cited journals processed in the Journal Citation Reports 2004 of the Science Citation Index and Social Science Citation Index. These files can be imported in Pajek for the visualization or in Ucinet for social network analysis.

Input files for the vector-space models of 7180 citing journals processed in the Journal Citation Reports 2004 of the Science Citation Index and Social Science Citation Index. These files can be imported in Pajek for the visualization or in Ucinet for social network analysis.

Input files for the vector-space models of 5907 cited journals processed in the Journal Citation Reports 2003 of the Science Citation Index. These files can be imported in Pajek for the visualization or in Ucinet for social network analysis.

Input files for the vector-space models of 5714 citing journals processed in the Journal Citation Reports 2003 of the Science Citation Index. These files can be imported in Pajek for the visualization or in Ucinet for social network analysis.

Input files for the vector-space models of 1710 cited journals processed in the Journal Citation Reports 2003 of the Social Science Citation Index. These files can be imported in Pajek for the visualization or in Ucinet for social network analysis.

Input files for the vector-space models of 1710 citing journals processed in the Journal Citation Reports 2003 of the Social Science Citation Index. These files can be imported in Pajek for the visualization or in Ucinet for social network analysis.

Input files for the vector-space models of 1611 citing and cited journals processed in the China Scientific and Technical Papers and Citations Database 2004. These files can be imported in Pajek for the visualization or in Ucinet for social network analysis.

The classification and mapping of journals in the Science Citation Index 2001 is available at http://www.leydesdorff.net/jcr01. [Clusters and Maps of Science Journals Based on Bi-connected Graphs in the Journal Citation Reports, Journal of Documentation, 60(4), 2004, 317-427;  <pdf-version>]

The classification and mapping of journals in the Social Science Citation Index 2001 is available at http://www.leydesdorff.net/sosci01. [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 Chinese Science Citation Database 2001 is available at http://www.leydesdorff.net/china01. [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 (forthcoming).]

Dynamic Visone (CREEN) for the animation of network data (April 2008).

 

Mapping the Geography of Science (Leydesdorff & Persson, 2010)

 

A user-friendly way for generating overlay maps from the Science Citation Index (Rafols, Porter & Leydesdorff, 2010).

Network overlay for Google Maps (from Pajek files)

 

TI.exe software for co-word mapping of texts (lines); free for academic use.

Fulltext.exe software for co-word mapping of full texts; free for academic use.

ISI.EXE for organizing a set downloaded from the Web-of-Science into databases for relational database management.

CoAuth.EXE for visualization of the coauthorship network using a WoS set

BibCoupl.EXE for visualization of the bibliographic coupling among authors using a WoS set

BibJourn.EXE for visualization of the bibliographic coupling in terms of cited journals

IntColl.EXE for visualization of international collaboration

InstColl.Exe for the analysis and visualization of institutional collaboration

 

Scop2WoS.EXE for reorganizing Scopus output files into the tagged format of the Web-of-Science.

 

Scopus.Exe for the organization of Scopus output into files for relational database management (MS Access, dBase).

 

GScholar.Exe for the organization of Google Scholar files into files for relational database management (MS Access, dBase); Google.Exe for the organization of Google files into files for relational database management (MS Access, dBase).

 

Acc2ISI.exe for the reverse route of turning databases (exported from MS Access) into the “tagged” format of the Web-of-Science.

Ti.exe and fulltext.exe for Korean
(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>)

Ti.exe and fulltext.exe for Chinese characters
(Loet Leydesdorff & Ping Zhou, Co-Word Analysis using the Chinese Character Set, Journal of the American Society for Information Science and Technology (forthcoming) <pdf-version>)
 
Ti_Ne.exe and Ft_Ne.exe for Dutch.

Abstracts TH II (SUNY, New York, 1998)

The papers on CD-Rom from the Copenhagen meeting (2002) are here available as zip-file (10 Mbyte)

Other materials Triple Helix conferences (1996-2005)

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