Transformation-Based Learning Using Multirelational Aggregation

  • Authors:
  • Mark-A. Krogel;Stefan Wrobel

  • Affiliations:
  • -;-

  • Venue:
  • ILP '01 Proceedings of the 11th International Conference on Inductive Logic Programming
  • Year:
  • 2001

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Abstract

Given the very widespread use of multirelational databases, ILP systems are increasingly being used on data originating from such warehouses. Unfortunately, even though not complex in structure, such business data often contain highly non-determinate components, making them difficult for ILP learners geared towards structurally complex tasks. In this paper, we build on popular transformation-based approaches to ILP and describe how they can naturally be extended with relational aggregation. We experimentall y show that this results in a multirelational learner that outperforms a structurally-oriented ILP system both in speed and accuracy on this class of problems.