License

Mark Newman License

11 datasets

All of these are free for scientific use to the best of my knowledge, meaning that the original authors have already made the data freely available, or that I have consulted the authors and received permission to the post the data here, or that the data are mine. If you make use of any of these data, please cite the original sources.

  • Zachary's Karate Club

    Free Download — The file karate.gml contains the network of friendships between the 34 members of a karate club at a US university, as described by Wayne Zachary in 1977. If you use these data in your work, please cite W. W. Zachary, An information flow model for conflict and fission in small groups, Journal of Anthropological Research 33, 452-473 (1977).
  • Political blogs

    Free Download — A directed network of hyperlinks between weblogs on US politics, recorded in 2005 by Adamic and Glance. Please cite L. A. Adamic and N. Glance, “The political blogosphere and the 2004 US Election”, in Proceedings of the WWW-2005 Workshop on the Weblogging Ecosystem (2005). Thanks to Lada Adamic for permission to post these data on this web site.
  • Books about U.S. Politics

    Free Download — A network of books about US politics published around the time of the 2004 presidential election and sold by the online bookseller Amazon.com. Edges between books represent frequent copurchasing of books by the same buyers. The network was compiled by V. Krebs and is unpublished, but can found on Krebs’ web site.
  • Power grid

    Free Download — An undirected, unweighted network representing the topology of the Western States Power Grid of the United States. Data compiled by D. Watts and S. Strogatz and made available on the web here . Please cite D. J. Watts and S. H. Strogatz, Nature 393, 440-442 (1998).
  • Condensed matter collaborations 1999

    Free Download — Weighted network of coauthorships between scientists posting preprints on the Condensed Matter E-Print Archive between Jan 1, 1995 and December 31, 1999. Please cite M. E. J. Newman, The structure of scientific collaboration networks, Proc. Natl. Acad. Sci. USA 98, 404-409 (2001).
  • Condensed matter collaborations 2003

    Free Download — Updated network of coauthorships between scientists posting preprints on the Condensed Matter E-Print Archive . This version includes all preprints posted between Jan 1, 1995 and June 30, 2003. The largest component of this network, which contains 27519 scientists, has been used by several authors as a test-bed for community-finding algorithms for large networks; see for ...
  • Condensed Matter Collaborations 2005

    Free Download — Updated network of coauthorships between scientists posting preprints on the Condensed Matter E-Print Archive. This version includes all preprints posted between Jan 1, 1995 and March 31, 2005. Please cite M. E. J. Newman, Proc. Natl. Acad. Sci. USA 98, 404-409 (2001).
  • Astrophysics Collaborations

    Free Download — Weighted network of coauthorships between scientists posting preprints on the Astrophysics E-Print Archive between Jan 1, 1995 and December 31, 1999. Please cite M. E. J. Newman, Proc. Natl. Acad. Sci. USA 98, 404-409 (2001).
  • High-energy Theory Collaborations

    Free Download — Weighted network of coauthorships between scientists posting preprints on the High-Energy Theory E-Print Archive between Jan 1, 1995 and December 31, 1999. Please cite M. E. J. Newman, Proc. Natl. Acad. Sci. USA 98, 404-409 (2001).
  • Coauthorships in Network Science

    Free Download — Coauthorship network of scientists working on network theory and experiment, as compiled by M. Newman in May 2006. A figure depicting the largest component of this network can be found here . These data can be cited as M. E. J. Newman, Phys. Rev. E 74, 036104 (2006).
  • Internet

    Free Download — A symmetrized snapshot of the structure of the Internet at the level of autonomous systems, reconstructed from BGP tables posted by the University of Oregon Route Views Project . This snapshot was created by Mark Newman from data for July 22, 2006 and is not previously published.