Result: On the combination of rough set theory and grey theory based on grey lattice operations

Title:
On the combination of rough set theory and grey theory based on grey lattice operations
Authors:
YAMAGUCHI, Daisuke, LI, Guo-Dong, NAGAI, Masatake
Source:
Rough sets and current trends in computing (5th International conference, RSCTC 2006, Kobe, Japan, November 6-8, 2006)Lecture notes in computer science. :507-516
Publisher Information:
Berlin; Heidelberg; New York: Springer, 2006.
Publication Year:
2006
Physical Description:
print, 27 ref 1
Original Material:
INIST-CNRS
Subject Terms:
Computer science, Informatique, Sciences exactes et technologie, Exact sciences and technology, Sciences appliquees, Applied sciences, Informatique; automatique theorique; systemes, Computer science; control theory; systems, Logiciel, Software, Organisation des mémoires. Traitement des données, Memory organisation. Data processing, Traitement des données. Listes et chaînes de caractères, Data processing. List processing. Character string processing, Intelligence artificielle, Artificial intelligence, Apprentissage et systèmes adaptatifs, Learning and adaptive systems, Analyse donnée, Data analysis, Análisis datos, Base donnée, Database, Base dato, Donnée catégorielle, Categorical data, Dato categórico, Donnée discrète, Discrete data, Variable discreta, Donnée numérique, Numerical data, Dato numérico, Relation équivalence, Equivalence relation, Relación equivalencia, Système gris, Grey system, Sistema gris, Système information, Information system, Sistema información, Système non déterministe, Non deterministic system, Sistema no determinista, Théorie ensemble approximatif, Rough set theory, Treillis, Lattice, Enrejado
Document Type:
Conference Conference Paper
File Description:
text
Language:
English
Author Affiliations:
Graduate School of Kanagawa University, Department of Engineering, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
Kanagawa University, Faculty of Engineering, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
ISSN:
0302-9743
Access URL:
http://pascal-francis.inist.fr/vibad/index.php?action=search&terms=19078888
Rights:
Copyright 2007 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Computer science; theoretical automation; systems
Accession Number:
edscal.19078888
Database:
PASCAL Archive

Further Information

A new rough set named grey-rough set based on the grey lattice operation in grey system theory is proposed in this paper. Information systems records not only categorical data but also numerical data including a range of interval. In order to handle interval data in such information systems, we describe two sorts of new rough approximation after introduced grey lattice operations: a special grey-rough set based on the equivalence relation of interval coincidence, and a general grey-rough set based on the meet operation and the inclusion relation instead of the equivalence relation. The special grey-rough set is applicable to categorical data and numerical discrete data like the traditional rough set. The general grey-rough set is applicable to numerical interval data, which means that the proposal is an advanced method for non-deterministic information systems. The proposal is illustrated with several examples.