DocumentCode
441972
Title
Rough approximations in formal contexts
Author
Li, Tong-jun ; Zhang, Wen-xiu
Author_Institution
Inst. for Inf. & Syst. Sci., Xi´´an Jiaotong Univ., China
Volume
5
fYear
2005
fDate
18-21 Aug. 2005
Firstpage
3162
Abstract
In this paper, relationships between the rough set theory and the formal concept analysis are discussed. By using some coverings and binary relations on the object set, and a heterogeneous relation of a formal context, several types of rough approximation operators on the object set are introduced. Then properties of the approximation operators are examined and the connections between the approximation operators and formal concepts are further established.
Keywords
approximation theory; data analysis; rough set theory; binary relation; formal concept analysis; formal context; object set; rough approximation operator; rough set theory; Cybernetics; Data analysis; Educational institutions; Joining processes; Machine learning; Object oriented modeling; Oceans; Rough sets; Set theory; Rough sets; binary relations; formal concept; modal-style operators;
fLanguage
English
Publisher
ieee
Conference_Titel
Machine Learning and Cybernetics, 2005. Proceedings of 2005 International Conference on
Conference_Location
Guangzhou, China
Print_ISBN
0-7803-9091-1
Type
conf
DOI
10.1109/ICMLC.2005.1527487
Filename
1527487
Link To Document