[1]QIAN Jin,ZHU Yayan.An incremental attribute reduction algorithm for group objects[J].CAAI Transactions on Intelligent Systems,2016,11(4):496-502.[doi:10.11992/tis.201606005]
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CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume:
11
Number of periods:
2016 4
Page number:
496-502
Column:
学术论文—知识工程
Public date:
2016-07-25
- Title:
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An incremental attribute reduction algorithm for group objects
- Author(s):
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QIAN Jin1; 2; ZHU Yayan1
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1. School of Computer Engineering, Jiangsu University of Technology, Changzhou 213015, China;
2. Jiangsu Key Laboratory of Big Data Analysis Technology/B-DAT, Nanjing University of Information Science & Technology, Nanjing 210044, China
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- Keywords:
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rough set theory; attribute Reduction; group objects; inheritance rate of Reduct; incremental learning
- CLC:
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TP181
- DOI:
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10.11992/tis.201606005
- Abstract:
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Real-world datasets change in size dynamically. Non-incremental attribute reduction methods usually need to re-compute source data when obtaining a new reduction without considering the information in the existing reduction, which consumes a great deal of computational time and storage space. Therefore, in this paper, some reduction invariance properties for dynamic datasets are discussed. An incremental attribute reduction algorithm for group objects using the previous reduction is proposed to quickly update a reduction with high inheritance rate and thus improve the efficiency of incremental learning. Finally, the incremental approach proposed is compared with an existing incremental attribute reduction algorithm for a single object, the non-incremental attribute reduction algorithms on the UCI, and synthetic datasets. Experimental results show that this incremental attribute reduction algorithm for group objects can deal with dynamic data rapidly, as it has better inheritance of reduction.