Knowledge discovery by rough sets mathematical flow graphs and its extension

  • Authors:
  • Doungrat Chitchareon;Puntip Pattaraintakorn

  • Affiliations:
  • King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand;King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand

  • Venue:
  • AIA '08 Proceedings of the 26th IASTED International Conference on Artificial Intelligence and Applications
  • Year:
  • 2008

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Abstract

Mathematical rough set theory has attracted both practical and theoretical researchers. A significant extension of rough set theory is called flow graphs. It is a knowledge representation in the form of information flow. Flow graph is a promising approach to analyze data flow, decision trees, decision rules, probability learning, etc. In this article, we present their connections to pertinent techniques and propose a new extension to association rules. Two new propositions are used to reveal the relationship between flow graphs and association rules. We conduct experiment on real-world data collected from POSN with the evaluation. We discuss some important properties of flow graphs, with examples throughout.