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检索条件"机构=Key Lab on Big Data Mining and Knowledge Management"
1038 条 记 录,以下是31-40 订阅
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A Triple Structure of Rough Sets Based on Selection Function
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Annals of data Science 2015年 第3期2卷 245-259页
作者: Wang, Bo Shi, Yong Tian, Yingjie Research Center on Fictitious Economy and Data Science Chinese Academy of Sciences Beijing China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing China
Different from rough sets in Pawlak’s sense, which is a binary approximation operations based structure, in this paper, we propose a new rough equivalence relation based on triple approximation operations induced by ... 详细信息
来源: 评论
Exploring big data Analysis: Fundamental Scientific Problems
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Annals of data Science 2015年 第4期2卷 363-372页
作者: Xu, Zongben Shi, Yong Department of Mathematics Xi’an Jiaotong University Xi’an China The Key Research Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing China
Although big data has been one of most popular topics since last several years, how to effectively conduct big data analysis is a big challenge for every field. This paper tries to address some fundamental scientific ... 详细信息
来源: 评论
Fast exact fingerprint indexing based on Compact Binary Minutia Cylinder Codes
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NEUROCOMPUTING 2018年 275卷 1711-1724页
作者: Bai, Chaochao Wang, Weiqiang Zhao, Tong Li, Mingqiang UCAS Beijing Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing Peoples R China
With explosive growth in fingerprint databases, Automatic Fingerprint Identification System has become more challenging than ever. Consequently, it is necessary to develop a fast and exact fingerprint indexing to meet... 详细信息
来源: 评论
New Discoveries of Domination Between Traffic Matrices
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Acta Mathematicae Applicatae Sinica 2017年 第3期33卷 561-566页
作者: Peng-fei LIU Wen-guo YANG Tian-de GUO School of Mathematics Sciences University of Chinese Academy of SciencesBeijing 100049China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of SciencesBeijing 100049China
In this paper the definition of domination is generalized to the case that the elements of the traffic matrices may have negative values. It is proved that D3 dominates D3 + λ(D2 - D1) for any λ ≥0 if D1 dominat... 详细信息
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Convergence of Stochastic Gradient Descent in Deep Neural Network
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Acta Mathematicae Applicatae Sinica 2021年 第1期37卷 126-136页
作者: Bai-cun ZHOU Cong-ying HAN Tian-de GUO School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of SciencesBeijing 100190China
Stochastic gradient descent(SGD) is one of the most common optimization algorithms used in pattern recognition and machine *** algorithm and its variants are the preferred algorithm while optimizing parameters of deep... 详细信息
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Pyramid scheme model for consumption rebate frauds
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Chinese Physics B 2019年 第7期28卷 549-556页
作者: Yong Shi Bo Li Wen Long School of Economics and Management University of Chinese Academy of Sciences Beijing 100190 China Research Center on Fictitious Economy and Data Science Chinese Academy of Sciences Beijing 100190 China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing 100190 China
There are various types of pyramid schemes that have inflicted or are inflicting losses on many people in the *** propose a pyramid scheme model which has the principal characters of many pyramid schemes that have app... 详细信息
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ANALYSIS OF THE PREDICTION CAPABILITY OF WEB SEARCH data BASED ON THE HE-TDC METHOD - PREDICTION OF THE VOLUME OF DAILY TOURISM VISITORS
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Journal of Systems Science and Systems Engineering 2017年 第2期26卷 163-182页
作者: Geng Peng Ying Liu Jiyuan Wang Jifa Gu School of Economic and Management University of Chinese Academy of Sciences Beijing 100190 China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing 100190 China Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100190 China
Web search query data are obtained to reflect social spots and serve as novel economic indicators. When faced with high-dimensional query data, selecting keywords that have plausible predictive ability and can reduce ... 详细信息
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An Efficient Slap Fingerprint Segmentation Algorithm Based on Convnets and Knuckle Line  12th
An Efficient Slap Fingerprint Segmentation Algorithm Based o...
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12th Chinese Conference on Biometric Recognition, CCBR 2017
作者: Tang, Siqi Qin, Jin Liu, Yan Han, Congying Guo, Tiande Beijing China Key Laboratory of Big Data Mining and Knowledge Management School of Mathematical Science UCAS Beijing China
We propose a novel and efficient technique to extract individual fingerprints from a slap-image and identify them into their corresponding indices i.e. index, middle, ring or little finger of left/right hand. We pose ... 详细信息
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Facial depth descend: A generation paradigm for facial depth map
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NEUROCOMPUTING 2021年 466卷 298-310页
作者: Yan, Yao Han, Congying Qin, Jin Chen, Hanqin Guo, Tiande Univ Chinese Acad Sci UCAS Beijing Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing Peoples R China
Over the past decades, three-dimensional(3D) face recognition has developed rapidly due to its intrinsic invariance to pose and illumination changes. Yet despite this, deep learning is rarely used in 3D face recogniti... 详细信息
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Asian option pricing problems of uncertain mean-reverting stock model
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SOFT COMPUTING 2018年 第17期22卷 5583-5592页
作者: Sun, Yiyao Yao, Kai Dong, Jichang Univ Chinese Acad Sci Sch Econ & Management Beijing 100190 Peoples R China Chinese Acad Sci Key Lab Big Data Min & Knowledge Management Beijing 100190 Peoples R China
An Asian option is a special type of option contract which reduces the volatility inherent in the option because of the averaging feature, so it is one of the most actively exotic options traded in today's financi... 详细信息
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