Towards Learning in CARIN-ALN

  • Authors:
  • Céline Rouveirol;Véronique Ventos

  • Affiliations:
  • -;-

  • Venue:
  • ILP '00 Proceedings of the 10th International Conference on Inductive Logic Programming
  • Year:
  • 2000

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Abstract

In this paper we investigate a new language for learning, which combines two well-known representation formalisms, Description Logics and Horn Clause Logics. Our goal is to study the feasability of learning in such a hybrid description - horn clause language, namely CARIN-ALN [LR98b], in the presence of hybrid background knowledge, including a Horn clause and a terminological component. After setting our learning framework, we present algorithms for testing example coverage and subsumption between two hypotheses, based on the existential entailment algorithm studied in[LR98b]. While the hybrid language is more expressive than horn clause logics alone, the complexity of these two steps for CARIN-ALN remains bounded by their respective complexity in horn clause logics.