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Abstract
Rough set theory, supplying an effective model for representation of uncertain knowledge, has been widely used in knowledge engineering and data mining. Especially, rough set theory has been used as an attribute selection method with much success. However, current rough set approaches for attribute reduction are unsuitable for semi-supervised learning as no enough labeled data can guarantee to calculate the dependency degree. We propose a new attribute selection strategy based on rough sets, called DualPOS. It provides mutual function mechanism of multi-attributes, and generates the most consistent one as a candidate. Experiments are carried out to test the performances of classification and clustering of the proposed algorithm. The results show that DualPOS is valid for attribute selection in semi-supervised learning.
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Acknowledgements
This work was partially supported by the National Natural Science Foundation of China (No. 61473259, No. 61070074, No. 60703038), the Zhejiang Provincial Natural Science Foundation (No. Y14F020118), the National Science & Technology Support Program of China (2015BAK26B00, 2015BAK26B02) and the PEIYANG Young Scholars Program of Tianjin University (2016XRX-0001).
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School of Computer Science and Technology, Tianjin University, Tianjin, 300350, China
Jianhua Dai & Qinghua Hu
College of Computer Science and Technology, Zhejiang University, Hangzhou, 310027, China
Jianhua Dai, Huifeng Han, Hu Hu, Jinghong Zhang & Wentao Wang
- Jianhua Dai
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- Huifeng Han
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- Hu Hu
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- Qinghua Hu
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- Jinghong Zhang
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Correspondence toJianhua Dai.
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Peking University , Beijing, China
Bin Cui
The George Washington University , Washington, D.C., USA
Nan Zhang
Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
Jianliang Xu
University of Texas Rio Grande Valley, Edinburg, Texas, USA
Xiang Lian
Jiangxi University of Finance and Economics, Nanchang, Jiangxi, China
Dexi Liu
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Dai, J., Han, H., Hu, H., Hu, Q., Zhang, J., Wang, W. (2016). DualPOS: A Semi-supervised Attribute Selection Approach for Symbolic Data Based on Rough Set Theory. In: Cui, B., Zhang, N., Xu, J., Lian, X., Liu, D. (eds) Web-Age Information Management. WAIM 2016. Lecture Notes in Computer Science(), vol 9659. Springer, Cham. https://doi.org/10.1007/978-3-319-39958-4_31
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