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中国科学院数学与系统科学研究院机构知识库
KMS Of Academy of mathematics and systems sciences, CAS
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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
Authors:
Zhang, Ge
;
Li, Zhao
;
Huang, Jiaming
;
Wu, Jia
;
Zhou, Chuan
;
Yang, Jian
;
Gao, Jianliang
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View/Download:58/0
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Submit date:2022/04/29
Online e-commerce platforms
fraud detection system
graph neural networks
Optimal convergence of finite element approximation to an optimization problem with PDE constraint*
期刊论文
INVERSE PROBLEMS, 2022, 卷号: 38, 期号: 4, 页码: 45
Authors:
Gong, Wei
;
Tan, Zhiyu
;
Zhou, Zhaojie
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Submit date:2022/04/29
inverse source problem
optimal control
finite element method
a priori error estimate
a posteriori error estimate
adaptivity
rate optimality
Optimal convergence of finite element approximation to an optimization problem with PDE constraint* * Wei Gong was supported by the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB 41000000), the National Key Basic Research Program (Grant No. 2018YFB0704304) and the National Natural Science Foundation of China (Grant No. 12071468, 11671391). Zhaojie Zhou was supported by the National Natural Science Foundation of China under Grant No. 11971276.
期刊论文
Inverse Problems, 2022, 卷号: 38, 期号: 4
Authors:
Gong,Wei
;
Tan,Zhiyu
;
Zhou,Zhaojie
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Submit date:2022/04/29
inverse source problem
optimal control
finite element method
a priori error estimate
a posteriori error estimate
adaptivity
rate optimality
Importance-Penalized Joint Graphical Lasso (IPJGL): differential network inference via GGMs
期刊论文
BIOINFORMATICS, 2022, 卷号: 38, 期号: 3, 页码: 770-777
Authors:
Leng, Jiacheng
;
Wu, Ling-Yun
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Submit date:2022/04/02
ANALYSIS AND APPROXIMATIONS OF DIRICHLET BOUNDARY CONTROL OF STOKES FLOWS IN THE ENERGY SPACE
期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2022, 卷号: 60, 期号: 1, 页码: 450-474
Authors:
Gong, Wei
;
Mateos, Mariano
;
Singler, John
;
Zhang, Yangwen
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Submit date:2022/04/29
Dirichlet boundary control
Stokes flows
energy space
regularity
finite element method
error estimates
Towards embedding information diffusion data for understanding big dynamic networks
期刊论文
NEUROCOMPUTING, 2021, 卷号: 466, 页码: 265-284
Authors:
Yang, Hong
;
Zhang, Peng
;
Wang, Haishuai
;
Zhou, Chuan
;
Li, Zhao
;
Gao, Li
;
Tan, Qingfeng
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Submit date:2022/04/02
Network coarsening
Information diffusion
Graph data mining
OnsagerNet: Learning stable and interpretable dynamics using a generalized Onsager principle
期刊论文
PHYSICAL REVIEW FLUIDS, 2021, 卷号: 6, 期号: 11, 页码: 32
Authors:
Yu, Haijun
;
Tian, Xinyuan
;
Weinan, E.
;
Li, Qianxiao
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Submit date:2022/04/02
Accurate AM-FM signal demodulation and separation using nonparametric regularization method
期刊论文
SIGNAL PROCESSING, 2021, 卷号: 186, 页码: 12
Authors:
Hu, Xiyuan
;
Peng, Silong
;
Guo, Baokui
;
Xu, Pengcheng
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Submit date: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
Authors:
Dai, Yu-Hong
;
Wang, Zhouhong
;
Xu, Fengmin
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Submit date:2022/04/02
Boltzmann's entropy
ill-condition
interior point algorithm
analytic center
neutron spectrum unfolding
numerical stability
Hybrid Regularized Cone-Beam Reconstruction for Axially Symmetric Object Tomography
期刊论文
ACTA MATHEMATICA SCIENTIA, 2021, 页码: 17
Authors:
Li, Xinge
;
Wei, Suhua
;
Xu, Haibo
;
Chen, Chong
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View/Download:26/0
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Submit date:2022/04/02
high-energy X-ray radiography
cone-beam global reconstruction
inverse problem
total variation
alternating proximal gradient method