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ACM
1995
15 years 9 months ago
Rough Sets
We study properties of rough sets, that is, approximations to sets of records in a database or, more formally, to subsets of the universe of an information system. A rough set is a...
Zdzislaw Pawlak
TLCA
1995
Springer
15 years 9 months ago
Typed Operational Semantics
operator abstraction is a language construct relevant to object oriented programming languages and to ML2000, the successor to Standard ML. In this paper, we introduce Fω ≤, a ...
Healfdene Goguen
Theoretical Computer Science
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