The first type of graded rough set based on rough membership function

Proceedings - 2010 7th International Conference on Fuzzy Systems and Knowledge Discovery, FSKD 2010

Volumn 4, Issue , 2010, Pages 1922-1926

  Xu, Weihua ^a   Liu, Shihu ^a   Wang, Qiaorong ^a   Zhang, Wenxiu ^b  

^a CHONGQING UNIVERSITY OF TECHNOLOGY   (China)

^b XI'AN JIAOTONG UNIVERSITY   (China)

Author keywords

General binary relation; Graded rough set; Precision coefficient; Rough membership function; Variable precision rough set

Indexed keywords

BINARY RELATION; GRADED ROUGH SETS; PRECISION COEFFICIENT; ROUGH MEMBERSHIP; VARIABLE PRECISION ROUGH SETS;

FUZZY SETS; ROUGH SET THEORY;

MEMBERSHIP FUNCTIONS;

EID: 78649250616     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/FSKD.2010.5569459     Document Type: Conference Paper

References (16)

1. Z. Pawlak, Rough sets, International Journal of computer and information sciences, 1982,11(5):341-356.
2. A. Skowron, J. Stepaniuk, Tolerance approximation spaces, Fund. Inform. 27 (1996): 245-253.
3. R. Slowinski, D. Vanderpooten, A generalized definition of rough approximations based on similarity, IEEE Trans. Knowledge Data Eng. 12(2000): 331-336.
4. Z. Bonikowski, E. Bryniarski, U. Wybraniec, Extensions and intentions in rough set theory, Information Science, 1998,107:149-167.
5. W. Ziarko, Variable precision rough model, Journal of Computer and System Sciences, 1993,46(1):39-59.
6. W.Ziarko, Rough sets as a methodology for data mining. In Polkowski L.,Skowron A.(eds.)Rough Sets in Data Mining and Knowledge Discovery, vol.1,Physica-Verlag,Heidelberg,1998,554-576.
7. Z.T.Gong, B.Z.Sun, Y.B.Shao, D.G.Chen, Variable precision rough set model based on general relations, Journal of Lanzhou University, 2005,41(6):110-114.
8. F.Li, Q.H.Liu, G.W.Yang, Definition of variable precision fuzzy rough sets, Control and Decision, 2008, 23(11):1206-1210.
9. J.S.Mi, W.Z.Wu, W.X.Zhang, Approaches to knowledge reduction based on variable precision rough set model, Information Sciences, 159(2004):225-272.
10. th International Conference, RSCTC 2004. Heidelberg: Springer-Verlag, 2004: 402-411.
11. Y.J.Zhang, Y.P.Wang, Covering Rough Set Model Based on Variable Precision, Journal of Liaoning Institute of Technology, 2006, 26(4): 274-276.
12. W.X.Zhang, W.Z.Wu, J.Y.Liang, D.Y.Li, Theory and Method of Rough Sets, Science Press, Beijing, 2001.2.
13. W.H.Xu, W.X.Zhang, Measuring roughness of generalized rough sets induced by a covering, Fuzzy Sets and Systems, 2007, 158:2443-2455.
14. W.X.Zhang, Y.Leung, W.Z.Wu, Infromation system and knowledge discovery, Science Press, Beijing, 2003.9.
15. Z.Pawlak, Rough sets approach to multi-attribute decision analysis, European Journal of operational Research, 1994, 72:443-459.
16. W.H.Xu, W.X.Zhang, Uncertainty measures of roughness of knowledge and rough sets in ordered information systems, Levture Notes in Artificial Itelligence, 2007,4682: 759-769.