Visualization of Rule's Similarity using Multidimensional Scaling

  • Authors:
  • Shusaku Tsumoto;Shoji Hirano

  • Affiliations:
  • -;-

  • Venue:
  • ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
  • Year:
  • 2003

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Abstract

One of the most important problems with rule inductionmethods is that it is very difficult for domain experts to checkmillions of rules generated from large datasets. The discoveryfrom these rules requires deep interpretation from domainknowledge. Although several solutions have been proposedin the studies on data mining and knowledge discovery,these studies are not focused on similarities betweenrules obtained. When one rule r1 has reasonable featuresand the other rule r2 with high similarity to r1 includes unexpectedfactors, the relations between these rules will becomea trigger to the discovery of knowledge. In this paper,we propose a visualization approach to show the similarrelations between rules based on multidimensional scaling,which assign a two-dimensional cartesian coordinateto each data point from the information about similiariesbetween this data and others data. We evaluated this methodon two medical data sets, whose experimental results showthat knowledge useful for domain experts could be found.