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Evaluation of Quantified Statements Using Gradual Numbers

Evaluation of Quantified Statements Using Gradual Numbers

Ludovic Liétard, Daniel Rocacher
Copyright: © 2008 |Pages: 24
ISBN13: 9781599048536|ISBN10: 1599048531|EISBN13: 9781599048543
DOI: 10.4018/978-1-59904-853-6.ch010
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MLA

Liétard, Ludovic, and Daniel Rocacher. "Evaluation of Quantified Statements Using Gradual Numbers." Handbook of Research on Fuzzy Information Processing in Databases, edited by José Galindo, IGI Global, 2008, pp. 246-269. https://doi.org/10.4018/978-1-59904-853-6.ch010

APA

Liétard, L. & Rocacher, D. (2008). Evaluation of Quantified Statements Using Gradual Numbers. In J. Galindo (Ed.), Handbook of Research on Fuzzy Information Processing in Databases (pp. 246-269). IGI Global. https://doi.org/10.4018/978-1-59904-853-6.ch010

Chicago

Liétard, Ludovic, and Daniel Rocacher. "Evaluation of Quantified Statements Using Gradual Numbers." In Handbook of Research on Fuzzy Information Processing in Databases, edited by José Galindo, 246-269. Hershey, PA: IGI Global, 2008. https://doi.org/10.4018/978-1-59904-853-6.ch010

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Abstract

This chapter is devoted to the evaluation of quantified statements which can be found in many applications as decision making, expert systems, or flexible querying of relational databases using fuzzy set theory. Its contribution is to introduce the main techniques to evaluate such statements and to propose a new theoretical background for the evaluation of quantified statements of type “Q X are A” and “Q B X are A.” In this context, quantified statements are interpreted using an arithmetic on gradual numbers from Nf, Zf, and Qf. It is shown that the context of fuzzy numbers provides a framework to unify previous approaches and can be the base for the definition of new approaches.

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