Block-wise construction of acyclic relational features with monotone irreducibility and relevancy properties

  • Authors:
  • Ondřej Kuželka;Filip železný

  • Affiliations:
  • Czech Technical University in Prague, Prague, Czech Republic;Czech Technical University in Prague, Prague, Czech Republic

  • Venue:
  • ICML '09 Proceedings of the 26th Annual International Conference on Machine Learning
  • Year:
  • 2009

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Abstract

We describe an algorithm for constructing a set of acyclic conjunctive relational features by combining smaller conjunctive blocks. Unlike traditional level-wise approaches which preserve the monotonicity of frequency, our block-wise approach preserves a form of monotonicity of the irreducibility and relevancy feature properties, which are important in propositionalization employed in the context of classification learning. With pruning based on these properties, our block-wise approach efficiently scales to features including tens of first-order literals, far beyond the reach of state-of-the art propositionalization or inductive logic programming systems.