Discovering burst areas in fast evolving graphs

  • Authors:
  • Zheng Liu;Jeffrey Xu Yu

  • Affiliations:
  • Department Systems Engineering S Engineering Management, The Chinese University of Hong Kong, Hong Kong;Department Systems Engineering S Engineering Management, The Chinese University of Hong Kong, Hong Kong

  • Venue:
  • DASFAA'10 Proceedings of the 15th international conference on Database Systems for Advanced Applications - Volume Part I
  • Year:
  • 2010

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Abstract

Evolving graphs are used to model the relationship variations between objects in many application domains such as social networks, sensor networks, and telecommunication. In this paper, we study a new problem of discovering burst areas that exhibit dramatic changes during some periods in evolving graphs. We focus on finding the top-k results in a stream of fast graph evolutions. This problem is challenging because when the graph evolutions are coming in a high speed, the solution should be capable of handling a large amount of evolutions in short time and returning the top-k results as soon as possible. The experimental results on real data sets show that our proposed solution is very efficient and effective.