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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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Algorithms for the Prize-Collecting $k$-Steiner Tree Problem
期刊论文
TSINGHUA SCIENCE AND TECHNOLOGY, 2022, 卷号: 27, 期号: 5, 页码: 785-792
Authors:
Han, Lu
;
Wang, Changjun
;
Xu, Dachuan
;
Zhang, Dongmei
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View/Download:10/0
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Submit date:2022/04/29
Steiner trees
Costs
Approximation algorithms
prize-collecting
Steiner tree
approximation algorithm
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:20/0
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Submit date:2022/04/29
Online e-commerce platforms
fraud detection system
graph neural networks
A well-conditioned direct PinT algorithm for first- and second-order evolutionary equations
期刊论文
ADVANCES IN COMPUTATIONAL MATHEMATICS, 2022, 卷号: 48, 期号: 3, 页码: 29
Authors:
Liu, Jun
;
Wang, Xiang-Sheng
;
Wu, Shu-Lin
;
Zhou, Tao
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Submit date:2022/04/29
Direct PinT algorithms
Diagonalization technique
Condition number
Wave-type equations
Hybrid data decomposition-based deep learning for Bitcoin prediction and algorithm trading
期刊论文
Financial Innovation, 2022, 卷号: 8, 期号: 1
Authors:
Li,Yuze
;
Jiang,Shangrong
;
Li,Xuerong
;
Wang,Shouyang
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View/Download:9/0
  |  
Submit date:2022/04/29
Bitcoin price
Variational mode decomposition
Deep learning
Price forecasting
Algorithmic trading
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
Randomized difference-based gradient-free algorithm for distributed resource allocation
期刊论文
SCIENCE CHINA-INFORMATION SCIENCES, 2022, 卷号: 65, 期号: 4, 页码: 17
Authors:
Geng, Xiaoxue
;
Zhao, Wenxiao
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Submit date:2022/04/29
resource allocation
distributed algorithm
randomized difference
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
An interval decomposition-ensemble approach with data-characteristic-driven reconstruction for short-term load forecasting
期刊论文
APPLIED ENERGY, 2022, 卷号: 306, 页码: 16
Authors:
Yang, Dongchuan
;
Guo, Ju-E
;
Sun, Shaolong
;
Han, Jing
;
Wang, Shouyang
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  |  
Submit date:2022/04/02
Short-term load forecasting
Bivariate empirical mode decomposition
Decomposition-ensemble approach
Reconstruction
Bayesian optimization
Long short-term memory network
A novel machine learning-based electricity price forecasting model based on optimal model selection strategy
期刊论文
ENERGY, 2022, 卷号: 238, 页码: 14
Authors:
Yang, Wendong
;
Sun, Shaolong
;
Hao, Yan
;
Wang, Shouyang
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View/Download:6/0
  |  
Submit date:2022/04/02
Electricity price
Forecasting
Hybrid model
Model selection
Kernel-based extreme learning machine
Artificial bee colony-based combination approach to forecasting agricultural commodity prices
期刊论文
INTERNATIONAL JOURNAL OF FORECASTING, 2022, 卷号: 38, 期号: 1, 页码: 21-34
Authors:
Wang, Jue
;
Wang, Zhen
;
Li, Xiang
;
Zhou, Hao
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Submit date:2022/04/02
Agricultural commodity price
Forecast combination
Semi-heterogeneous combination
Artificial bee colony algorithm
Denoising technique