Recent results on heat kernel embedding of graphs

  • Authors:
  • Xiao Bai;Edwin R. Hancock

  • Affiliations:
  • Department of Computer Science, University of York, UK;Department of Computer Science, University of York, UK

  • Venue:
  • GbRPR'05 Proceedings of the 5th IAPR international conference on Graph-Based Representations in Pattern Recognition
  • Year:
  • 2005

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Abstract

This paper describes how heat-kernel asymptotics can be used to compute approximate Euclidean distances between nodes in a graph. The distances are used to embed the graph-nodes in a low-dimensional space by performing Multidimensional Scaling(MDS). We perform an analysis of the distances, and demonstrate that they are related to the sectional curvature of the connecting geodesic on the manifold. Experiments with moment invariants computed from the embedded points show that they can be used for graph clustering.