Some Remarks on Extensions and Restrictions of Information Systems

  • Zbigniew Suraj
  • Published 2000 in Rough Sets and Current Trends in Computing


Information systems (data tables) are often used to represent experimental data [4],[5],[8]. In [16] it has been pointed out that notions of extension and restriction of information system are crucial for solving different class of problems [6],[7],[10]-[11],[12]-[15]. The intent of this paper is to present some properties of an information system extension… (More)
DOI: 10.1007/3-540-45554-X_24


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