New results for finding common neighborhoods in massive graphs in the data stream model

  • Authors:
  • A. L. Buchsbaum;R. Giancarlo;B. Racz

  • Affiliations:
  • Madison, NJ, USA;University of Palermo, Dipartimento di Matematica ed Applicazioni, Via Archirafi 34, 90123 Palermo, Italy;Computer and Automation Research Institute of the Hungarian Academy of Sciences (MTA SZTAKI), P.O. Box 63, Budapest, H-1518, Hungary and Department of Algebra, Budapest University of Technology an ...

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2008

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Abstract

We consider the problem of finding pairs of vertices that share large common neighborhoods in massive graphs. We give lower bounds for randomized, two-sided error algorithms that solve this problem in the data-stream model of computation. Our results correct and improve those of Buchsbaum, Giancarlo, and Westbrook [On finding common neighborhoods in massive graphs, Theoretical Computer Science, 299 (1-3) 707-718 (2004)]