Title :
On variable precision of generalized rough sets
Author :
Yu-Ru Syau ; En-Bing Lin
Author_Institution :
Dept. of Inf. Manage., Nat. Formosa Univ., Huwei, Taiwan
Abstract :
We generalize Variable Precision Rough Set Theory (VPRST) to Variable Precision of Generalized Rough Sets (VPGRS) through reflexive relations and provide characterizations of lower and upper approximations for VPGRS.
Keywords :
approximation theory; rough set theory; VPGRS; VPRST; approximation method; reflexive relation; variable precision generalized rough sets; variable precision rough set theory; Approximation methods; Biological system modeling; Computational modeling; Conferences; Mathematical model; Rough sets; lower and upper approximations; reflexive relations; rough sets; variable precision rough set models;
Conference_Titel :
Granular Computing (GrC), 2014 IEEE International Conference on
Conference_Location :
Noboribetsu
DOI :
10.1109/GRC.2014.6982848