Simulation-Based graph similarity

  • Authors:
  • Oleg Sokolsky;Sampath Kannan;Insup Lee

  • Affiliations:
  • Department of Computer and Information Science, University of Pennsylvania;Department of Computer and Information Science, University of Pennsylvania;Department of Computer and Information Science, University of Pennsylvania

  • Venue:
  • TACAS'06 Proceedings of the 12th international conference on Tools and Algorithms for the Construction and Analysis of Systems
  • Year:
  • 2006

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Abstract

We present symmetric and asymmetric similarity measures for labeled directed rooted graphs that are inspired by the simulation and bisimulation relations on labeled transition systems. Computation of the similarity measures has close connections to discounted Markov decision processes in the asymmetric case and to perfect-information stochastic games in the symmetric case. For the symmetric case, we also give a polynomial-time algorithm that approximates the similarity to any desired precision.