Comparison between different kinds of approximations by using a family of binary relations

Knowledge-Based Systems

Volumn 21, Issue 8, 2008, Pages 911-919

  Abu Donia, H M ^a  

^a Zagazig University   (Egypt)

Author keywords

Binary relations and rough sets; Lower and upper approximations; Right neighborhood

Indexed keywords

INTERSECTIONS;

BINARY RELATIONS; BINARY RELATIONS AND ROUGH SETS; FINITE NUMBERS; LOWER AND UPPER APPROXIMATIONS; RIGHT NEIGHBORHOOD; TWO WAYS;

SET THEORY;

EID: 54949089255     PISSN: 09507051     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.knosys.2008.03.046     Document Type: Article

References (12)

1. Iwinski T.B. Algebraic approach to rough sets. Bull. Polish Acad. Sci. Ser. Sci. Math. 35 (1987) 673-683
2. Orlowska E., and Pawlak Z. Measurement and indiscernibility. Bull. Polish Acad. Sci. Ser. Sci. Math. 32 (1984) 617-624
3. Pawlak Z. Information systems theoretical foundations. Inform. Syst. 6 3 (1981) 205-218
4. Pawlak Z. Rough sets. Int. J. Comput. Inform. Sci. 11 (1982) 341-356
5. Pawlak Z. Rough Sets: Theoretical Aspects of Reasoning about Data System Theory. Knowledge Engineering and Problem Solving vol. 9 (1991), Kluwer Academic Publishers, Dordrecht, The Netherlands
6. Pomykala J.A. Approximation operations in approximation space. Bull. Polish Acad. Sci. Ser. Sci. Math. 35 (1987) 653-662
7. Skowron A., and Stepaniuk J. Generalized approximations spaces. In: Lin T.Y., and Wildberger A.M. (Eds). Soft Computing (1995), The Society for Computer Simulation, San Diego 18-21
8. Skowron A., and Stepaniuk J. Tolerance approximations spaces. Fundame. Inform. 27 (1996) 245-253
9. Wybraniec-Skardowska U. On a generalization of approximation space. Bull. Polish Acad. Sci. Ser. Sci. Math. 37 (1989) 51-61
10. Yao Y.Y., and Line T.Y. Generalization of rough sets using modal logic. Int. Automation Soft Comput. 2 (1996) 103-120
11. Y.Y. Yao, On generalized rough set theory, rough sets, fuzzy sets, data mining and granular computing, in: Proc. 9th Int, Conf., 1999, pp. 44-51.
12. W. Zirako (Ed.), Rough sets, fuzzy sets and knowledge discovery (RSKD'93), Workshops in Computing, Springer-Verlag and British Computer Society, London, Berlin, 1994.