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Accession number:  20103413169767

Title:  Feature selection through optimization of k-nearest neighbor matching gain

Authors:  Luo, Yihui1 ; Xiong, Shuchu1  

Author affiliation:  1  Department of Information, Hunan University of Commerce, Changsha, China


Corresponding author:  Luo, Y. (yihuiluo@yahoo.com.cn)  

Source title:  2010 International Conference on Intelligent Computation Technology and Automation, ICICTA 2010

Abbreviated source title:  Int. Conf. Intelligent Comput. Technol. Autom., ICICTA

Volume:  2

Monograph title:  2010 International Conference on Intelligent Computation Technology and Automation, ICICTA 2010

Issue date:  2010

Publication year:  2010

Pages:  309-312

Article number:  5522419

Language:  English

ISBN-13:  9780769540771

Document type:  Conference article (CA)

Conference name:  2010 International Conference on Intelligent Computation Technology and Automation, ICICTA 2010

Conference date:  May 11, 2010 - May 12, 2010

Conference location:  Changsha, China

Conference code:  81471

Sponsor:  IEEE Intelligent Computation Society; Res. Assoc. Intelligent Comput. Technol. Autom.; Hunan University; Changsha University of Science and Technology; Hunan University of Science and Technology

Publisher:  IEEE Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:  Many problems in information processing involve some form of dimensionality reduction. In this paper, we propose a new model for feature evaluation and selection in unsupervised learning scenarios. The model makes no special assumptions on the nature of the data set. For each of the data set, the original features induce a ranking list of items in its k nearest neighbors. The evaluation criterion favors reduced features that result in the most consistent to these ranked lists. And an efficiently local descent search based on the model is adopted to select the reduced features. Our experiments with several data sets demonstrate that the proposed algorithm is able to detect completely irrelevant features and to remove some additional features without significantly hurting the performance of the clustering algorithm. © 2010 IEEE.

Number of references:  11

Main heading:  Feature extraction

Controlled terms:  Clustering algorithms  -  Data processing  -  Unsupervised learning

Uncontrolled terms:  Data sets  -  Dimensionality reduction  -  Evaluation criteria  -  Feature evaluation and selection  -  Feature selection  -  Information processing  -  K-nearest neighbors  -  New model  -  Search-based

Classification code:  716 Telecommunication; Radar, Radio and Television  -  721 Computer Circuits and Logic Elements  -  723 Computer Software, Data Handling and Applications

DOI:  10.1109/ICICTA.2010.608

Database:  Compendex

   Compilation and indexing terms, © 2010 Elsevier Inc.
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