IS-Label: an independent-set based labeling scheme for point-to-point distance querying

  • Authors:
  • Ada Wai-Chee Fu;Huanhuan Wu;James Cheng;Raymond Chi-Wing Wong

  • Affiliations:
  • Dept. of Computer Science and Engineering, The Chinese University of Hong Kong;Dept. of Computer Science and Engineering, The Chinese University of Hong Kong;Dept. of Computer Science and Engineering, The Chinese University of Hong Kong;Dept. of Computer Science and Engineering, Hong Kong University of Science & Technology

  • Venue:
  • Proceedings of the VLDB Endowment
  • Year:
  • 2013

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Abstract

We study the problem of computing shortest path or distance between two query vertices in a graph, which has numerous important applications. Quite a number of indexes have been proposed to answer such distance queries. However, all of these indexes can only process graphs of size barely up to 1 million vertices, which is rather small in view of many of the fast-growing real-world graphs today such as social networks and Web graphs. We propose an efficient index, which is a novel labeling scheme based on the independent set of a graph. We show that our method can handle graphs of size orders of magnitude larger than existing indexes.