[1]LI Jingzheng,YANG Xibei,DOU Huili,et al.Research on ensemble significance based attribute reduction approach[J].CAAI Transactions on Intelligent Systems,2018,13(3):414-421.[doi:10.11992/tis.201706080]
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CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume:
13
Number of periods:
2018 3
Page number:
414-421
Column:
学术论文—人工智能基础
Public date:
2018-05-05
- Title:
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Research on ensemble significance based attribute reduction approach
- Author(s):
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LI Jingzheng1; YANG Xibei1; 2; DOU Huili1; WANG Pingxin3; CHEN Xiangjian1
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1. School of Computer, Jiangsu University of Science and Technology, Zhenjiang 212003, China;
2. School of Economics and Management, Nanjing University of Science and Technology, Nanjing 210094, China;
3. School of Mathematics and Physics, Jiangsu University of Science and Technology, Zhenjiang 212003, China
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- Keywords:
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attribute reduction; classification; clustering; data perturbation; ensemble; heuristic algorithm; neighborhood rough set; stability
- CLC:
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TP391
- DOI:
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10.11992/tis.201706080
- Abstract:
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In the process of computing reduct using a heuristic algorithm, the attribute with the highest importance is gradually added in. However, this approach neglects the fluctuation of important calculations which is directly caused by data perturbation. Notably, such fluctuation may lead to an unstable reduct result. To eliminate such an anomaly, a framework consisting of a heuristic algorithm based on the importance of the ensemble attribute was proposed. In this approach, firstly, multiple sampling is executed for raw data; secondly, in each cycle, the importance of each attribute is computed on the basis of each sampling and the importance indices are integrated; finally, the attribute with the highest importance is added into the reduct. The experimental results obtained by utilizing the neighborhood rough set method show that the new approach not only obtains a more stable reduct, but also attains the classification results with high uniformity.