Author :
Liao, Zuhua ; Wu, Lian ; Hu, Miaohan
Author_Institution :
Sch. of Sci., Jiangnan Univ., Wuxi, China
Abstract :
We introduced rough sets into lattices. The concepts of upper and lower approximations of a subset in a lattice are given. We discussed the properties of θ- (A)and θ_(A) when A is a sublattice, an ideal, a prime ideal and a convex sublattice of L.
Keywords :
rough set theory; convex sublattice; lower approximations; rough lattices; upper approximations; Approximation methods; Conferences; Fuzzy sets; Information science; Lattices; Rough sets; Rough sets; convex lattices; lattices; lower approximations; prime ideals; upper approximations;
Conference_Titel :
Granular Computing (GrC), 2010 IEEE International Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4244-7964-1
DOI :
10.1109/GrC.2010.81
