Action Rules Discovery Based on Tree Classifiers and Meta-actions

  • Authors:
  • Zbigniew W. Raś;Agnieszka Dardzińska

  • Affiliations:
  • Dept. of Computer Science, Univ. of North Carolina, Charlotte, USA 28223 and Polish-Japanese Institute of Information Technology, Warsaw, Poland 02-008;Dept. of Computer Science, Bialystok Technical Univ., Bialystok, Poland 15-351

  • Venue:
  • ISMIS '09 Proceedings of the 18th International Symposium on Foundations of Intelligent Systems
  • Year:
  • 2009

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Abstract

Action rules describe possible transitions of objects from one state to another with respect to a distinguished attribute. Early research on action rule discovery usually required the extraction of classification rules before constructing any action rule. Newest algorithms discover action rules directly from a decision system. To our knowledge, all these algorithms assume that all attributes are symbolic or require prior discretization of all numerical attributes. This paper presents a new approach for generating action rules from datasets with numerical attributes by incorporating a tree classifier and a pruning step based on meta-actions. Meta-actions are seen as a higher-level knowledge (provided by experts) about correlations between different attributes.