Genetic Algorithm Optimization for Determining Fuzzy Measures from Fuzzy Data

Chen Li, Gong Zeng-tai and Duan Gang

Journal of Applied Mathematics, 2013, vol. 2013, issue 1

Abstract: Fuzzy measures and fuzzy integrals have been successfully used in many real applications. How to determine fuzzy measures is a very difficult problem in these applications. Though there have existed some methodologies for solving this problem, such as genetic algorithms, gradient descent algorithms, neural networks, and particle swarm algorithm, it is hard to say which one is more appropriate and more feasible. Each method has its advantages. Most of the existed works can only deal with the data consisting of classic numbers which may arise limitations in practical applications. It is not reasonable to assume that all data are real data before we elicit them from practical data. Sometimes, fuzzy data may exist, such as in pharmacological, financial and sociological applications. Thus, we make an attempt to determine a more generalized type of general fuzzy measures from fuzzy data by means of genetic algorithms and Choquet integrals. In this paper, we make the first effort to define the σ‐λ rules. Furthermore we define and characterize the Choquet integrals of interval‐valued functions and fuzzy‐number‐valued functions based on σ‐λ rules. In addition, we design a special genetic algorithm to determine a type of general fuzzy measures from fuzzy data.

Date: 2013
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https://doi.org/10.1155/2013/542153

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2013:y:2013:i:1:n:542153

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