Approximations and classifiers

  • Authors:
  • Andrzej Skowron;Jarosław Stepaniuk

  • Affiliations:
  • Institute of Mathematics, The University of Warsaw, Warsaw, Poland;Department of Computer Science, Białystok University of Technology, Białystok, Poland

  • Venue:
  • RSCTC'10 Proceedings of the 7th international conference on Rough sets and current trends in computing
  • Year:
  • 2010

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Abstract

We discuss some important issues for applications that are related to generalizations of the 1994 approximation space definition [11]. In particular, we present examples of rough set based strategies for extension of approximation spaces from samples of objects onto the whole universe of objects. This makes it possible to present methods for inducing approximations of concepts or classifications analogously to the approaches for inducing classifiers known in machine learning or data mining.