Generalizing Kronecker graphs in order to model searchable networks

  • Authors:
  • Elizabeth Bodine;Babak Hassibi;Adam Wierman

  • Affiliations:
  • California Institute of Technology, Pasadena, CA;California Institute of Technology, Pasadena, CA;California Institute of Technology, Pasadena, CA

  • Venue:
  • Allerton'09 Proceedings of the 47th annual Allerton conference on Communication, control, and computing
  • Year:
  • 2009

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Abstract

This paper describes an extension to stochastic Kronecker graphs that provides the special structure required for searchability, by defining a "distance"-dependent Kronecker operator. We show how this extension of Kronecker graphs can generate several existing social network models, such as the Watts-Strogatz small-world model and Kleinberg's lattice-based model. We focus on a specific example of an expanding hypercube, reminiscent of recently proposed social network models based on a hidden hyperbolic metric space, and prove that a greedy forwarding algorithm can find very short paths of length O((log log n)2) for graphs with n nodes.