Multiobjective fuzzy genetics-based machine learning based on MOEA/D with its modifications

Various evolutionary multiobjective optimization (EMO) algorithms have been used in the field of evolutionary fuzzy systems (EFS), because EMO algorithms can easily handle multiple objective functions such as the accuracy maximization and complexity minimization for fuzzy system design. Most EMO alg...

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Vydáno v:IEEE International Fuzzy Systems conference proceedings s. 1 - 6
Hlavní autoři: Nojima, Yusuke, Arahari, Koki, Takemura, Shuji, Ishibuchi, Hisao
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.07.2017
Témata:
accuracy-oriented scalarizingfunction
Algorithm design and analysis
Classification algorithms
Computational modeling
Data models
Error analysis
evolutionary fuzzy systems
Fuzzy classifier design
MOEA/D
Optimization
Training data
ISSN:1558-4739
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Shrnutí:Various evolutionary multiobjective optimization (EMO) algorithms have been used in the field of evolutionary fuzzy systems (EFS), because EMO algorithms can easily handle multiple objective functions such as the accuracy maximization and complexity minimization for fuzzy system design. Most EMO algorithms used in EFS are Pareto dominance-based algorithms such as NSGA-II, SPEA2, and PAES. There are a few studies where other types of EMO algorithms are used in EFS. In this paper, we apply a multiobjective evolutionary algorithm based on decomposition called MOEA/D to EFS for fuzzy classifier design. MOEA/D is one of the most well-known decomposition-based EMO algorithms. The key idea is to divide a multiobjective optimization problem into a number of single-objective problems using a set of uniformly distributed weight vectors in a scalarizing function. We propose a new scalarizing function called an accuracy-oriented function (AOF) which is specialized for classifier design. We examine the effects of using AOF in MOEA/D on the search ability of our multiobjective fuzzy genetics-based machine learning (GBML). We also examine the synergy effect of MOEA/D with AOF and parallel distributed implementation of fuzzy GBML on the generalization ability.
ISSN:1558-4739
DOI:10.1109/FUZZ-IEEE.2017.8015749