Journal of the Operations Research Society of China ›› 2022, Vol. 10 ›› Issue (1): 89-112.doi: 10.1007/s40305-021-00354-9

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  • 收稿日期:2020-11-04 修回日期:2021-04-16 出版日期:2022-03-30 发布日期:2022-03-23
  • 基金资助:
    This work was supported by the National Natural Science Foundation of China (No.11771275). The second author thanks the partially support of Dutch Research Council (No.040.11.724).

Intuitionistic Fuzzy Laplacian Twin Support Vector Machine for Semi-supervised Classification

Jia-Bin Zhou1, Yan-Qin Bai1, Yan-Ru Guo1, Hai-Xiang Lin2   

  1. 1 Department of Mathematics, Shanghai University, Shanghai 200444, China;
    2 Delft Institute of Applied Mathematics, Delft University of Technology, Delft 2600 GA, The Netherlands
  • Received:2020-11-04 Revised:2021-04-16 Online:2022-03-30 Published:2022-03-23
  • Contact: Yan-Qin Bai, Jia-Bin Zhou, Yan-Ru Guo, Hai-Xiang Lin E-mail:yqbai@shu.edu.cn;jiab_zhou@163.com;Guoyanru211@163.com;H.X.Lin@tudelft.nl

Abstract: In general, data contain noises which come from faulty instruments, flawed measurements or faulty communication. Learning with data in the context of classification or regression is inevitably affected by noises in the data. In order to remove or greatly reduce the impact of noises, we introduce the ideas of fuzzy membership functions and the Laplacian twin support vector machine (Lap-TSVM). A formulation of the linear intuitionistic fuzzy Laplacian twin support vector machine (IFLap-TSVM) is presented. Moreover, we extend the linear IFLap-TSVM to the nonlinear case by kernel function. The proposed IFLap-TSVM resolves the negative impact of noises and outliers by using fuzzy membership functions and is a more accurate reasonable classifier by using the geometric distribution information of labeled data and unlabeled data based on manifold regularization. Experiments with constructed artificial datasets, several UCI benchmark datasets and MNIST dataset show that the IFLap-TSVM has better classification accuracy than other state-of-the-art twin support vector machine (TSVM), intuitionistic fuzzy twin support vector machine (IFTSVM) and Lap-TSVM.

Key words: Twin support vector machine, Semi-supervised classification, Intuitionistic fuzzy, Manifold regularization, Noisy data

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