Expressive power of safe first-order logical decision trees

  • Authors:
  • Joris J. M. Gillis;Jan Van den Bussche

  • Affiliations:
  • Hasselt University, Belgium,Transnational University of Limburg, Belgium;Hasselt University, Belgium,Transnational University of Limburg, Belgium

  • Venue:
  • ILP'11 Proceedings of the 21st international conference on Inductive Logic Programming
  • Year:
  • 2011

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Abstract

This paper characterizes the expressive power of a subclass of first-order logical decision trees (FOLDTs) as a fragment of first-order logic. Specifically, using safe FOLDTs one can express precisely the boolean combinations of safe existential sentences.