1 citations · 2 across the 7 of their papers we have counts for
Showing 2009Show all
2 papers · 1 filter
cs.AI2009★ 1 cited
An axiomatic approach to the roughness measure of rough sets
Ping Zhu
In Pawlak's rough set theory, a set is approximated by a pair of lower and upper approximations. To measure numerically the roughness of an approximation, Pawlak introduced a quant…
cs.AI2009
Covering rough sets based on neighborhoods: An approach without using neighborhoods
Ping Zhu
Rough set theory, a mathematical tool to deal with inexact or uncertain knowledge in information systems, has originally described the indiscernibility of elements by equivalence r…