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Characterizing Compressibility of Disjoint Subgraphs with NLC Grammars

  • Robert Brijder
  • Hendrik Blockeel
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6638)

Abstract

We consider compression of a given set \(\mathcal{S}\) of isomorphic and disjoint subgraphs of a graph G using node labelled controlled (NLC) graph grammars. Given \(\mathcal{S}\) and G, we characterize whether or not there exists a NLC graph grammar consisting of exactly one rule such that (1) each of the subgraphs \(\mathcal{S}\) in G are compressed (i.e., replaced by a nonterminal) in the (unique) initial graph I, and (2) the set of generated terminal graphs is the singleton {G}.

Keywords

Minimum Description Length Label Graph Node Label Graph Grammar Isomorphic Subgraph 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Robert Brijder
    • 1
  • Hendrik Blockeel
    • 1
    • 2
  1. 1.Leiden Institute of Advanced Computer ScienceUniversiteit LeidenThe Netherlands
  2. 2.Department of Computer ScienceKatholieke UniversiteitLeuvenBelgium

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