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Hesitant Fuzzy Sets Theory

Studies in Fuzziness and Soft Computing, 2014
Zeshui Xu
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Fuzzy Set Theory

2011
Fuzzy set theory has been developed to solve problems where the descriptions of activities and observations are imprecise, vague, or uncertain. The term “fuzzy” refers to a situation in where there are no well defined boundaries of the set of activities or observations to which the descriptions apply.
Jiuping Xu, Xiaoyang Zhou
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Fuzzy Set Theory

2017
This entry presents a definition of fuzzy set theory and an overview of some applications to model flexible information retrieval systems. The entry focuses on a description of fuzzy indexing procedures defined to represent the varying significance of terms in synthesizing the documents’ contents, the representation of structured documents so as to ...
Kraft D, Bordogna G, Pasi G
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Fuzzy Set Theory

2008
In this chapter we present the reader with the fundamental concepts of fuzzy set theory. The basic primer on fuzzy set theory remains Zadeh’s1965 seminal work. A number of scholars have since discussed several aspects of fuzzy set theory pertinent to the social sciences. Perhaps the best overview is provided by Smithson and Verkuilen (2006).
Terry D. Clark   +4 more
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Fuzzy Set Theory

1984
An extension of conventional set theory, with the grade of membership for an element in a set taking a value anywhere in the range [0,1], instead of 0 or 1 only. Developed as a means of avoiding the complexity in descriptions of subjective or ill-understood processes. Fuzzy logic extends the simple Boolean operators and can express Implication.
Alan Bundy, Lincoln Wallen
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Fuzzy logic and fuzzy set theory

Archive for Mathematical Logic, 1992
On the semantic side, the authors consider the truth degree set \([0,1]\) with a constant for the degree 0.5, with min, max, Gödel implication, the negation defined by it in the intuitionistic style, but also with Łukasiewicz's (1-..)-negation, bounded sum, and product as connectives, and with sup, inf as quantifiers.
Takeuti, Gaisi, Titani, Satoko
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Antecedents of innovative performance: Findings from PLS-SEM and fuzzy sets (fsQCA)

, 2020
Collaboration for innovation and innovative performance have been documented as critical competitive advantage tools for firms in emerging markets. Drawing on the “transactive memory” theory, this paper proposes that organizational learning (OL) and ...
Bahar Kaya   +4 more
semanticscholar   +1 more source

Fuzzy-Set-Theorie

1999
Da die Fuzzy-Set-Theorie ein Instrument zur Abbildung der in Kapitel zwei dargestellten Imponderabilien und Unsicherheiten ist, werden nachfolgend sowohl die elementaren Grundla-gen als auch die auf ihnen basierenden und ftir die weitere Untersuchung relevanten Fuzzy-Algorithmen vorgestellt.
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Using fuzzy set theory

IEEE Potentials, 1996
Two main trends are mentioned: the fuzzy set theory and the fuzzy logic. Both build upon set theory and logic, respectively. Three features distinguish the approaches: (1) the use of so called linguistic variables, instead of or together with numeric variables; (2) the use of fuzzy conditional statements to represent simple relations between variables;
C. Radu, R. Wilkerson
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Cardiovascular investigations and fuzzy sets theory

The American Journal of Cardiology, 1975
Examining the circumstances that often lead modern, mechanistic cardiovascular research into areas devoid of practical significance, we suggest that our approaches, instead of our technology, are inadequate. A method for processing information, built on the concept of "fuzzy sets," is described as a potential way out of this dilemma.
D, Kalmanson, H F, Stegall
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