Design and Update of a Classification System: The UCSD Map of Science

Börner, Katy, Richard Klavans, Michael Patek, Angela Zoss, Joseph R. Biberstine, Robert Light, Vincent Larivière, and Kevin W. Boyack (2012) Design and Update of a Classification System: The UCSD Map of Science. PLoS ONE 7(7): e39464. doi:10.1371/journal.pone.0039464


The project is lead by SciTech Strategies Inc. in collaboration with the Cyberinfrastructure for Network Science Center at Indiana University. There are subcontracts to different researchers and one company. The full team comprises:

Katy Börner1, Richard Klavans2, Michael Patek2, Angela M. Zoss1, Joseph R. Biberstine1, Robert P. Light1, Vincent Larivière1,3, and Kevin W. Boyack5


The 2010 UCSD map of science and classification system covering 10 years (2001-2010) of Web of Science data and 8 years (2001-2008) of Scopus data with subdiscipline assignments by SciTech Strategies.

  1. Data as MS AccessDB and as MS Excel file (identical info as MS AccessDB) as well as data dictionary and database schema.
  2. Network .net file to visually render science map. Also provided as .net file with discipline nodes and names.

Usage Conditions

This map is shared under the Creative Commons, Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) license. That is, you are free to share, e.g., to copy, distribute and transmit the work, and to remix, i.e., to adapt the work under the following conditions:

  • Attribution — You must attribute the work in the following manner (but not in any way that suggests that they endorse you or your use of the work): Cite the above paper and use the following acknowledgment text: "The authors wish to acknowledge The Regents of the University of California, SciTech Strategies, Observatoire des Sciences et des Technologies, and the Cyberinfrastructure for Network Science Center for making the 2010 UCSD Map of Science and Classification System available for this work."
  • Noncommercial — You may not use this work for commercial purposes.


1 Cyberinfrastructure for Network Science Center, School of Library and Information Science, Indiana University, 10th Street & Jordan Avenue, Wells Library, Bloomington, IN 47405, USA
2 SciTech Strategies, Inc., Berwyn, PA, 19312, USA
3 École de bibliothéconomie et des sciences de l’information, Université de Montréal, C.P. 6128, Succ. Centre-ville, Montréal QC, H3C 3J7, Canada.
4 Observatoire des Sciences et des Technologies (OST), Centre Interuniversitaire de Recherche sur la Science et la Technologie (CIRST), Université du Québec à Montréal, C.P. 8888, Succ. Centre-Ville, Montréal, QC H3C 3P8, Canada.
5 SciTech Strategies, Inc., Albuquerque, NM 87122, USA

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