Review of bisonet abstraction techniques

  • Authors:
  • Fang Zhou;Sébastien Mahler;Hannu Toivonen

  • Affiliations:
  • Department of Computer Science and Helsinki Institute for Information Technology HIIT, University of Helsinki, Finland;Department of Computer Science and Helsinki Institute for Information Technology HIIT, University of Helsinki, Finland;Department of Computer Science and Helsinki Institute for Information Technology HIIT, University of Helsinki, Finland

  • Venue:
  • Bisociative Knowledge Discovery
  • Year:
  • 2012

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Abstract

BisoNets represent relations of information items as networks. The goal of BisoNet abstraction is to transform a large BisoNet into a smaller one which is simpler and easier to use, although some information may be lost in the abstraction process. An abstracted BisoNet can help users to see the structure of a large BisoNet, or understand connections between distant nodes, or discover hidden knowledge. In this paper we review different approaches and techniques to abstract a large BisoNet. We classify the approaches into two groups: preference-free methods and preference-dependent methods.