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Constraint satisfaction using soft quantifiers
Author(s) -
Yager Ronald R.
Publication year - 2004
Publication title -
intelligent systems in accounting, finance and management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.846
H-Index - 11
eISSN - 2160-0074
pISSN - 1550-1949
DOI - 10.1002/isaf.250
Subject(s) - constraint (computer aided design) , softening , constraint satisfaction problem , operator (biology) , aggregate (composite) , fuzzy logic , process (computing) , local consistency , computer science , constraint satisfaction , mathematics , artificial intelligence , statistics , programming language , biochemistry , chemistry , geometry , materials science , repressor , probabilistic logic , transcription factor , composite material , gene
Abstract Fuzzy sets and other methods have been used to model a softening of constraints in constraint propagation (CP) problems. Here, we suggest an approach to the softening of the CP problem at the meta level, in the process used to aggregate the satisfactions to the individual constraints. We discuss the possibility of using soft quantiers such as ‘most’ to guide the process of aggregating the satisfactions to the individual constraints. Use is made of the ability to represent these soft quantiers by fuzzy sets and the ability to implement their authorized aggregation by the ordered weighted averaging operator. Copyright © 2004 John Wiley & Sons, Ltd.
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