Upper Approximation

Some articles on upper approximation, approximation, upper:

Rough Set - Definitions - Definition of A rough Set - Upper Approximation and Negative Region
... The -upper approximation is the union of all equivalence classes in which have non-empty intersection with the target set – in the example, the union of the three equivalence classes in that have non ... The upper approximation is the complete set of objects that in that cannot be positively (i.e ... In other words, the upper approximation is the complete set of objects that are possibly members of the target set ...
Dominance-based Rough Set Approach - Main Concepts - Rough Approximations
... key idea of the rough set philosophy is approximation of one knowledge by another knowledge ... of decision classes and the "granules of knowledge" used for approximation are P-dominating and P-dominated sets ... The P-lower and the P-upper approximation of with respect to, denoted as and, respectively, are defined as Analogously, the P-lower and the P-upper ...

Famous quotes containing the word upper:

    The stately Homes of England,
    How beautiful they stand,
    To prove the upper classes
    Have still the upper hand.
    Noël Coward (1899–1973)