Semantics of types for database objects
Theoretical Computer Science
Handbook of logic in computer science (vol. 1)
Handbook of logic in computer science (vol. 3)
Contributions to the theory of rough sets
Fundamenta Informaticae
Logical and algebraic techniques for rough set data analysis
Rough set methods and applications
Rough Sets: Mathematical Foundations
Rough Sets: Mathematical Foundations
Double-faced rough sets and rough communication
Information Sciences—Applications: An International Journal
Complete Orders, Categories and Lattices of Approximations
Fundamenta Informaticae - SPECIAL ISSUE ON CONCURRENCY SPECIFICATION AND PROGRAMMING (CS&P 2005) Ruciane-Nide, Poland, 28-30 September 2005
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Study of the so called knowledge ordering of rough sets was initiated by V.W. Marek and M. Truszczynski at the end of 90-ies. Under this ordering, the rough sets of a fixed approximation space form a domain in which every set ↓ is a Boolean algebra. In the paper, an additional operation inversion on rough set domains is introduced and an abstract axiomatic description of obtained algebras of rough set is given. It is shown that the resulting class of algebras is essentially different from those traditional in rough set theory: it is not definable, for instance, in the class of regular double Stone algebras, and conversely.