文献类型: 会议论文
第一作者: Weijian Ni
作者: Weijian Ni 1 ; Tong Liu 1 ; Qingtian Zeng 1 ; Xianke Zhang 1 ; Hua Duan 1 ; Nengfu Xie 2 ;
作者机构: 1.College of Computer Science and Engineering, Shandong University of Science and Technology
2.Agricultural Information Institute, Chinese Academy of Agricultural Sciences
关键词: Factorization machines;Ramp loss Imbalanced classification;Credit default prediction
会议名称: Pacific Rim International Conference on Artificial Intelligence
主办单位:
页码: 941-953
摘要: Credit default prediction is a topic of great importance in lending industry. Just like many real-world applications, the dataset in the task is often class-imbalanced and noisy, degrading the performance of most machine learning methods. In this paper, we propose an extension of Factorization Machines, named RobustFM, to address the problem of class-imbalance and noisiness in the credit default prediction task. The proposed RobustFM employs a smoothed asymmetric Ramp loss function, into which truncation and hinge parameters are introduced to facilitate noise tolerance and imbalanced learning. Experimental results on several real credit datasets show that RobustFM significantly outperforms state-of-the-art methods in terms of F-measure.
分类号: TP18-53
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