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检索条件"机构=Key Lab on Big Data Mining and Knowledge Management"
1037 条 记 录,以下是191-200 订阅
排序:
Consistent model check of errors-in-variables varying-coefficient model with auxiliary variable
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JOURNAL OF STATISTICAL PLANNING AND INFERENCE 2019年 198卷 13-28页
作者: Liu, Zhifan Liu, Chunling Sun, Zhihua Univ Chinese Acad Sci Beijing 100049 Peoples R China Hong Kong Polytech Univ Kowloon Hong Kong Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing 100049 Peoples R China
In this paper, we consider the adequacy check of the varying-coefficient model when covariates are measured with error and some auxiliary variable is available. With the help of auxiliary variable, we calibrate the me... 详细信息
来源: 评论
The Feature of the B&R Exchange Rate: Comparison with Main Currency Based on EMD Algorithm and Grey Relational Degrees  6th
The Feature of the B&R Exchange Rate: Comparison with Main C...
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6th International Conference on data Science, ICDS 2019
作者: Yixi, Cui Zixin, Liu Ziran, Li Kun, Guo University of Chinese Academy of Sciences Beijing China Key Laboratory of Big Data Mining and Knowledge Management School of Economics and Management UCAS Beijing China Minzu University of China Beijing China CFFEX Institute for Financial Derivatives Beijing China
According to BELT AND ROAD PORTAL, China has signed 173 cooperative documents with 125 countries and 29 international organizations along the Belt and Road (B&R) until April 2019, and the exchange rate volatility ... 详细信息
来源: 评论
Comparative research on multi-source heterogeneous data fusion technologies  11
Comparative research on multi-source heterogeneous data fusi...
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11th International Conference on Information Technology and Quantitative management, ITQM 2024
作者: Long, Wen Gao, Jing Guo, Man School of Economics and Management University of Chinese Academy of Sciences Beijing100090 China Research Center on Fictitious Economy & Data Science Chinese Academy of Sciences Beijing100190 China Key Laboratory of Big Data Mining & Knowledge Management Chinese Academy of Sciences Beijing100190 China
Both structured market data and unstructured financial news data can significantly affect stock price fluctuations. Therefore, relying only on a single data source for stock price trend prediction may produce informat... 详细信息
来源: 评论
Stochastic joint homecare service and capacity planning with nested decomposition approaches
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EUROPEAN JOURNAL OF OPERATIONAL RESEARCH 2021年 第1期295卷 203-222页
作者: Zheng, Chenyang Wang, Shuming Li, Ningxin Wu, Yuanhao Univ Chinese Acad Sci Sch Econ & Management Beijing Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing Peoples R China Columbia Univ Fu Fdn Sch Engn & Appl Sci New York NY 10027 USA Beijing Normal Univ Sch Management Zhuhai Peoples R China
In this paper, we study a joint service authorization and capacity planning problem for the home health care (HHC) system with demand uncertainty. We formulate the problem as a two-stage stochastic programming with re... 详细信息
来源: 评论
f-Fractional Bit Minwise Hashing for Large-Scale Learning
f-Fractional Bit Minwise Hashing for Large-Scale Learning
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IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT)
作者: Tang, Jingjing Tian, Yingjie Univ Chinese Acad Sci Sch Math Sci Beijing Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Res Ctr Fictitious Econ & Data Sci Beijing Peoples R China
Recently, document similarity detection technology captures a host of researchers' attention. In this paper, we propose to integrate linear SVM with f-fractional bit minwise hashing to make a wide range of choices... 详细信息
来源: 评论
Review of graph construction and graph learning in stock price prediction  9th
Review of graph construction and graph learning in stock pri...
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9th International Conference on Information Technology and Quantitative management, ITQM 2022
作者: Wang, Yunong Qu, Yi Chen, Zhensong Research Center on Fictitious Economy and Data Science Chinese Academy of Sciences Beijing100190 China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing100190 China School of Management and Engineering Capital University of Economics and Business Beijing100070 China
Precise prediction of stock prices leads to more profits and more effective risk prevention, which is of great significance to both investors and regulators. Recent years, various kinds of information not directly-rel... 详细信息
来源: 评论
Volatility and risk contagion of international stock market in the context of COVID-19  10
Volatility and risk contagion of international stock market ...
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10th International Conference on Information Technology and Quantitative management, ITQM 2023
作者: Long, Wen Zeng, Yuhan Guo, Man School of Economics and Management University of Chinese Academy of Sciences Beijing100090 China Research Center on Fictitious Economy and Data Science Chinese Academy of Sciences Beijing100190 China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing100190 China
In order to reveal the impact of the outbreak of COVID-19 epidemic on risk contagion in the international stock market, this paper establishes an ARMA-GARCH-Copula model based on the R-Vine structure to empirically an... 详细信息
来源: 评论
The asset allocation utility of digital cryptocurrency  9th
The asset allocation utility of digital cryptocurrency
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9th International Conference on Information Technology and Quantitative management, ITQM 2022
作者: Long, Wen Wang, Maohua Guo, Man School of Economics and Management University of Chinese Academy of Sciences Beijing100090 China Research Center on Fictitious Economy and Data Science Chinese Academy of Sciences Beijing100190 China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing100190 China
In recent years, the digital cryptocurrency market has witnessed rapid development, but its asset allocation function has yet to be verified. In this paper, DCC-GARCH model is used to estimate the dynamic correlation ... 详细信息
来源: 评论
Research on Liquidity Measurement and Influencing Factors of China Carbon Emission Allocation Trading Market  10
Research on Liquidity Measurement and Influencing Factors of...
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10th International Conference on Information Technology and Quantitative management, ITQM 2023
作者: Shi, Yong Peng, Shuyang Yu, Anqi Guo, Kun School of Economics and Management University of Chinese Academy of Sciences Beijing100190 China Research Center on Fictitious Economy and Data Science Chinese Academy of Sciences Beijing100190 China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing100190 China
Considering multi-dimensional concepts of liquidity, we introduces two classical liquidity measures to quantify the liquidity of China carbon emission allowance(CCEA) trading markets, and analyze their trading activit... 详细信息
来源: 评论
Identifying compromised hosts under APT using DNS request sequences
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JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING 2021年 152卷 67-78页
作者: Li, Ming Li, Qiang Xuan, Guangzhe Guo, Dong Jilin Univ Coll Comp Sci & Technol Changchun 130012 Peoples R China Jilin Univ Ctr Big Data & Network Management Changchun 130012 Peoples R China Jilin Univ Minist Educ Key Lab Symbol Computat & Knowledge Engn Changchun 130012 Peoples R China
Advanced persistent threats (APTs) have become a major cyber threat to large organizations. To steal confidential data from specific organizations, attackers adopt highly targeted intrusion schemes. Prior to stealing ... 详细信息
来源: 评论