DocumentCode
2905245
Title
Clus-DOWA: A new dependent OWA operator
Author
Boongoen, Tossapon ; Shen, Qiang
Author_Institution
Dept. of Comput. Sci., Aberystwyth Univ., Aberystwyth
fYear
2008
fDate
1-6 June 2008
Firstpage
1057
Lastpage
1063
Abstract
Aggregation operators are crucial to integrating diverse decision makerspsila opinion. While minimum and maximum can represent optimistic and pessimistic extremes, an ordered weighted aggregation (OWA) operator is able to reflect varied human attitudes lying between the two using distinct weight vectors. Several weight determination techniques ignore characteristics of data being aggregated. In contrary, data-oriented operators like centered OWA and dependent OWA utilize the centralized data structure to generate reliable weights. Values near the center of a group receive higher weights than those further away. Despite its general applicability, this perspective entirely neglects any local data structures representing strong agreements or consensus. This paper presents a new dependent OWA operator (Clus-DOWA) that applies distributed structure of data or data clusters to determine its weight vector. The reliability of weights created by DOWA and Clus-DOWA operators are experimentally compared in the tasks of classification and unsupervised feature selection.
Keywords
data structures; fuzzy set theory; information analysis; aggregation operators; data-oriented operators; distinct weight vectors; local data structures; ordered weighted aggregation operator; weight determination techniques; weights reliability; Aggregates; Arithmetic; Computer science; Data structures; Decision making; Fusion power generation; Fuzzy systems; Gaussian distribution; Humans; Open wireless architecture;
fLanguage
English
Publisher
ieee
Conference_Titel
Fuzzy Systems, 2008. FUZZ-IEEE 2008. (IEEE World Congress on Computational Intelligence). IEEE International Conference on
Conference_Location
Hong Kong
ISSN
1098-7584
Print_ISBN
978-1-4244-1818-3
Electronic_ISBN
1098-7584
Type
conf
DOI
10.1109/FUZZY.2008.4630500
Filename
4630500
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