Pair-Based object-driven action rules

  • Authors:
  • Ayman Hajja;Alicja A. Wieczorkowska;Zbigniew W. Ras;Ryszard Gubrynowicz

  • Affiliations:
  • Dept. of Computer Science, University of North Carolina, Charlotte, NC;Polish-Japanese Institute of Information Technology, Warsaw, Poland;Dept. of Computer Science, University of North Carolina, Charlotte, NC and Institute of Computer Science, Warsaw University of Technology, Warsaw, Poland;Polish-Japanese Institute of Information Technology, Warsaw, Poland

  • Venue:
  • NFMCP'12 Proceedings of the First international conference on New Frontiers in Mining Complex Patterns
  • Year:
  • 2012

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Abstract

Action rules, as proposed by Raś and Wieczorkowska in [11], can be defined as actionable tasks that describe possible transitions of objects from one state to another with respect to a distinguished attribute. Recently, a new specialized case of action rules, namely object-driven action rules, has been introduced by Ayman et al. in [4]. Object-driven action rules are action rules that are extracted from information systems with temporal and object-based nature. By object-based nature, we refer to systems that contain multiple observations for each object. A typical example of an object-based system would be a system of patients recording multiple visits; each patient is considered a distinct object. In this paper, we will further investigate the concept of object-driven action rules by proposing a new pair-based way of examining object-driven systems, which we believe is more intuitive for temporal and object-driven systems. The focus of this paper will be on our proposed pair-based approach, along with the modifications required to extract action rules and calculate their properties.