Aggregation of subjective evaluations based on discrete fuzzy numbers

In this paper aggregation functions defined on the set of all discrete fuzzy numbers whose support is a subset of consecutive natural numbers are introduced and the particular cases of uninorms and nullnorms are studied in detail. These aggregation functions are constructed from discrete aggregation...

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Bibliographic Details
Published in:Fuzzy sets and systems 2012-03, Vol.191, p.21-40
Main Authors: Vicente Riera, J., Torrens, Joan
Format: Article
Language:English
Subjects:
Agglomeration
Chains
Construction
Discrete aggregation function
Discrete fuzzy number
Fuzzy set theory
Fuzzy systems
Lattice
Mathematical analysis
Nullnorm
Subjective evaluation
t-Norm
Uninorm
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Summary:In this paper aggregation functions defined on the set of all discrete fuzzy numbers whose support is a subset of consecutive natural numbers are introduced and the particular cases of uninorms and nullnorms are studied in detail. These aggregation functions are constructed from discrete aggregation functions (defined on a finite chain) and they are applied to the aggregation of subjective evaluations.
ISSN:0165-0114
1872-6801
DOI:10.1016/j.fss.2011.10.004