Distributed pattern discovery in multiple streams

  • Authors:
  • Jimeng Sun;Spiros Papadimitriou;Christos Faloutsos

  • Affiliations:
  • Carnegie Mellon University;IBM Watson Research Center;Carnegie Mellon University

  • Venue:
  • PAKDD'06 Proceedings of the 10th Pacific-Asia conference on Advances in Knowledge Discovery and Data Mining
  • Year:
  • 2006

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Abstract

Given m groups of streams which consist of n1,...,nm co-evolving streams in each group, we want to: (i) incrementally find local patterns within a single group, (ii) efficiently obtain global patterns across groups, and more importantly, (iii) efficiently do that in real time while limiting shared information across groups. In this paper, we present a distributed, hierarchical algorithm addressing these problems. Our experimental case study confirms that the proposed method can perform hierarchical correlation detection efficiently and effectively.