Mapreduce based selective Neural Network Ensembles using GA

被引:0
|
作者
Wang, Zhengyu [1 ]
Xiao, Nanfeng [1 ]
机构
[1] School of Computer Science and Engineering, South China University of Technology, Guangzhou
来源
Journal of Information and Computational Science | 2015年 / 12卷 / 02期
基金
中国国家自然科学基金;
关键词
Ensemble Learning; Genetic Algorithm; Mapreduce; Neural Network Ensembles; Two-spiral Problem;
D O I
10.12733/jics20105314
中图分类号
学科分类号
摘要
Neural Network Ensembles (NNE) is proved an efficient method in both regression and classification. NNE is suitable for parallel environment owing to its computing construction. A Mapreduce based Selective Neural Network Ensembles algorithm using GA (MSNNE-GA) is proposed in this paper. MSNNE-GA uses Mapreduce to train member neural networks and also implements the GA on Mapreduce framework to select member networks for NNE. Some experiments have been done on the two-spiral classification problem. The result shows the effect of decreasing the MSE and increasing the accuracy rate of NNE with MSNNE-GA. The time-consuming of the whole process can be reduced by MSNNE-GA with the linear increasing of speed-up rate. At last the ability and sensitivity of different algorithms for big scale NNE is discussed. Comparing Bagging, MSNNE-GA can more effectively make use of the great number of member neural network to optimize the result of NNE. Copyright © 2015 Binary Information Press.
引用
收藏
页码:693 / 701
页数:8
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