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eFraudCom: An E-commerce Fraud Detection System via Competitive Graph Neural Networks 期刊论文
ACM TRANSACTIONS ON INFORMATION SYSTEMS, 2022, 卷号: 40, 期号: 3, 页码: 29
作者:  Zhang, Ge;  Li, Zhao;  Huang, Jiaming;  Wu, Jia;  Zhou, Chuan;  Yang, Jian;  Gao, Jianliang
收藏  |  浏览/下载:193/0  |  提交时间:2022/04/29
Online e-commerce platforms  fraud detection system  graph neural networks  
Accurate AM-FM signal demodulation and separation using nonparametric regularization method 期刊论文
SIGNAL PROCESSING, 2021, 卷号: 186, 页码: 12
作者:  Hu, Xiyuan;  Peng, Silong;  Guo, Baokui;  Xu, Pengcheng
收藏  |  浏览/下载:143/0  |  提交时间:2021/10/26
Nonparametric regularization method  AM-FM signal  Null space pursuit (NSP)  Differential equation  Signal demodulation and separation  
A PRIMAL-DUAL ALGORITHM FOR UNFOLDING NEUTRON ENERGY SPECTRUM FROM MULTIPLE ACTIVATION FOILS 期刊论文
JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION, 2021, 卷号: 17, 期号: 5, 页码: 2367-2387
作者:  Dai, Yu-Hong;  Wang, Zhouhong;  Xu, Fengmin
收藏  |  浏览/下载:118/0  |  提交时间:2022/04/02
Boltzmann's entropy  ill-condition  interior point algorithm  analytic center  neutron spectrum unfolding  numerical stability  
A robust optimal preconditioner for the mixed finite element discretization of elliptic optimal control problems 期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2018, 卷号: 25, 期号: 1, 页码: 17
作者:  Gong, Wei;  Tan, Zhiyu;  Zhang, Shuo
收藏  |  浏览/下载:145/0  |  提交时间:2018/07/30
elliptic equation  mixed finite element method  optimal control problem  optimal preconditioner  
Complex-valued differential operator-based method for multi-component signal separation 期刊论文
SIGNAL PROCESSING, 2017, 卷号: 132, 页码: 66-76
作者:  Guo, Baokui;  Peng, Silong;  Hu, Xiyuan;  Xu, Pengcheng
收藏  |  浏览/下载:134/0  |  提交时间:2018/07/30
Operator-based signal separation  Null space pursuit  Complex-valued differential operator  Empirical mode decomposition  Synchrosqueezing wavelet transform  AM-FM signal  
Estimation of high dimensional mean regression in the absence of symmetry and light tail assumptions 期刊论文
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES B-STATISTICAL METHODOLOGY, 2017, 卷号: 79, 期号: 1, 页码: 247-265
作者:  Fan, Jianqing;  Li, Quefeng;  Wang, Yuyan
收藏  |  浏览/下载:102/0  |  提交时间:2018/07/30
High dimension  Huber loss  M-estimator  Optimal rate  Robust regularization  
Robust Novelty Detection via Worst Case CVaR Minimization 期刊论文
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 2015, 卷号: 26, 期号: 9, 页码: 2098-2110
作者:  Wang, Yongqiao;  Dang, Chuangyin;  Wang, Shouyang
收藏  |  浏览/下载:115/0  |  提交时间:2018/07/30
Conditional value-at-risk (CVaR)  kernel methods  novelty detection  robust programming  single-class support vector machine (SSVM)  
Robust error estimates for the finite element approximation of elliptic optimal control problems 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2011, 卷号: 236, 期号: 6, 页码: 1370-1381
作者:  Gong, Wei;  Yan, Ningning
收藏  |  浏览/下载:109/0  |  提交时间:2018/07/30
Optimal control problem  Bang-bang control  Finite element method  A priori error estimate  A posteriori error estimate  
INVERSION OF ELECTRON TOMOGRAPHY IMAGES USING L-2-GRADIENT FLOWS - COMPUTATIONAL METHODS 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2011, 卷号: 29, 期号: 5, 页码: 501-525
作者:  Xu, Guoliang;  Li, Ming;  Gopinath, Ajay;  Bajaj, Chandrajit L.
收藏  |  浏览/下载:104/0  |  提交时间:2018/07/30
Computational Inversion  Reconstruction  Electric Tomography  
On the inexactness level of robust Levenberg-Marquardt methods 期刊论文
OPTIMIZATION, 2010, 卷号: 59, 期号: 2, 页码: 273-287
作者:  Fischer, A.;  Shukla, P. K.;  Wang, M.
收藏  |  浏览/下载:94/0  |  提交时间:2018/07/30
nonlinear equation  Levenberg-Marquardt method  quadratic convergence  nonisolated solution