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Clustering and Preferential Attachment in Growing Networks

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  • M. E. J. Newman
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    Abstract

    We study empirically the time evolution of scientific collaboration networks in physics and biology. In these networks, two scientists are considered connected if they have coauthored one or more papers together. We show that the probability of scientists collaborating increases with the number of other collaborators they have in common, and that the probability of a particular scientist acquiring new collaborators increases with the number of his or her past collaborators. These results provide experimental evidence in favor of previously conjectured mechanisms for clustering and power-law degree distributions in networks.

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    Bibliographic Info

    Paper provided by Santa Fe Institute in its series Working Papers with number 01-03-021.

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    Date of creation: Mar 2001
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    Handle: RePEc:wop:safiwp:01-03-021

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    Web page: http://www.santafe.edu/sfi/publications/working-papers.html
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    1. Cristopher Moore & M. E. J. Newman, 2000. "Epidemics and Percolation in Small-World Networks," Working Papers 00-01-002, Santa Fe Institute.
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    Cited by:
    1. Junseok Hwang & Jorn Altmann & Kibae Kim, 2009. "The Structural Evolution of the Web2.0 Service Network," TEMEP Discussion Papers 200914, Seoul National University; Technology Management, Economics, and Policy Program (TEMEP), revised Sep 2009.
    2. Nicolas CARAYOL (BETA) & Pascale ROUX (GRES-LEREPS), 2003. "Self-Organizing Innovation Networks: When do Small Worlds Emerge?," Cahiers du GRES 2003-08, Groupement de Recherches Economiques et Sociales.
    3. Kibae Kim & Jorn Altmann, 2011. "A Complex Network Analysis of the Weighted Graph of the Web2.0 Service Network," TEMEP Discussion Papers 201178, Seoul National University; Technology Management, Economics, and Policy Program (TEMEP), revised Jul 2011.
    4. Kibae Kim & Jorn Altmann & Junseok Hwang, 2010. "An Analysis of the Openness of the Web2.0 Service Network Based on Two Sets of Indices for Measuring the Impact of Service Ownership," TEMEP Discussion Papers 201067, Seoul National University; Technology Management, Economics, and Policy Program (TEMEP), revised Oct 2010.

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