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加权决策模板业务感知算法
引用本文:杨应雷,周金和,王川潮. 加权决策模板业务感知算法[J]. 计算机工程与应用, 2017, 53(2): 118-123. DOI: 10.3778/j.issn.1002-8331.1504-0121
作者姓名:杨应雷  周金和  王川潮
作者单位:北京信息科技大学 信息与通信工程学院,北京 100101
摘    要:针对决策模板法在业务感知准确率上的局限性问题,提出了加权决策模板法。该方法首先利用有监督的神经网络模糊聚类分类器作为基本分类器,再通过混淆矩阵衡量分类器对样本不同类别的置信度,经过两级的性能权衡,赋予该算法更高的可信度。在训练阶段根据错误分类的样本构造一个附加的加权决策模板,若在测试阶段有样本离该模板的距离最近时,可以认为该样本被错误分类的可能性很大,从而保证该算法具有高识别准确率。实验结果表明,与决策模板法对比,加权决策模板法在业务感知上具有更高的准确性。

关 键 词:决策模板法  模糊聚类  业务感知  分类器  

Weighted decision template service awareness algorithm
YANG Yinglei,ZHOU Jinhe,WANG Chuanchao. Weighted decision template service awareness algorithm[J]. Computer Engineering and Applications, 2017, 53(2): 118-123. DOI: 10.3778/j.issn.1002-8331.1504-0121
Authors:YANG Yinglei  ZHOU Jinhe  WANG Chuanchao
Affiliation:School of Information and Telecommunication Engineering, Beijing Information Science and Technology University, Beijing 100101, China
Abstract:Aiming at the limitation of recognition accuracy that the decision template method used on service awareness, it puts forward the weighted decision template method. This method firstly uses supervised fuzzy clustering neural networks classifier as the basic classifier, and then through the confusion matrix measures classifier samples for different categories of confidence, after two stage performance trade-offs, gives higher credibility of the algorithm. In the stage of training, it constructs an additional weighted decision template according to the error classification of the samples, if in the testing phase, there are the shortest distance from samples to template, it thinks the sample in a high probability of error classification, so that the algorithm has high recognition accuracy. Experimental results show that, compared with that decision template method, the weighted decision template method has higher accuracy on service awareness.
Keywords:decision template method  fuzzy clustering  service awareness  classifier  
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