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  • Tsau Young Lin
  • Computer Science
  • [ Proceedings] Fifth Annual Computer Security…
  • 1989 (First Publication: 4 December 1989)
  • In Brewer and Nash's Chinese Wall security policy model, there is a very strong implicit assumption that the 'conflict of interest' is an equivalence relation. It is called the BN-axiom. Such axiomContinue Reading
  • Tsau Young Lin
  • Mathematics, Computer Science
  • Intelligent Decision Support
  • 1992
  • The approximation theory is studied via rough sets, fuzzy sets and topological spaces (more precisely, Frechet spaces). Rough set theory is a set theory via knowledge bases. This set theory isContinue Reading