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检索条件"机构=Key Laboratory for Computer Virtual Technology and System Integration of Hebei"
208 条 记 录,以下是191-200 订阅
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A high dimensional data clustering algorithm based on hypergraph
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Journal of Computational Information systems 2012年 第23期8卷 9839-9846页
作者: Liu, Yongshan Chen, Wei Shang, Xuehui Lv, Yongteng Han, Yuanyuan Liu, Chang College of Information Science and Engineering Yanshan University Qinhuangdao 066004 China The Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province Qinhuangdao 066004 China
High dimensional data clustering is an important issue for data mining. Firstly, the records in the dataset are mapped to the vertices of hypergraph, the hyperedges of hypergraph are composed of the vertices which hav... 详细信息
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Subspace clustering over high-dimensional data stream based on grid density and attribute relativity
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Advances in Information Sciences and Service Sciences 2012年 第17期4卷 91-99页
作者: Huang, Guoyan Miao, Liyun Ren, Jiadong College of Information Science and Engineering Yanshan University Qinhuangdao City 066004 China The Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province Qinhuangdao City 066004 China
The traditional clustering algorithms often fail to detect meaningful clusters in high-dimensional data space. To improve the above shortcoming, we propose GDRH-Stream, a clustering method based on the attribute relat... 详细信息
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An algorithm based on bit complementary tree for mining closed frequent itemsets
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International Journal of Advancements in Computing technology 2012年 第22期4卷 427-435页
作者: Ren, Jiadong Yang, Xuan Dong, Jun College of Information Science and Engineering Yanshan University Qinhuangdao City066004 China The Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province Qinhuangdao City 066004 China
In recent years, closed frequent itemsets mining has become a hot topic. In this paper, we present an algorithm BCTCF, which is based on Bit complementary tree (BCTree) in order to mine closed frequent itemsets effici... 详细信息
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An algorithm based on temporary table for mining top-k closed frequent patterns in data streams
International Journal of Digital Content Technology and its ...
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International Journal of Digital Content technology and its Applications 2012年 第20期6卷 582-589页
作者: Wang, Peilong Yang, Xuan Zhang, Yuanyuan Ren, Jiadong College of Information Science and Engineering Yanshan University Qinhuangdao City 066004 China The Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province Qinhuangdao City 066004 China
In this paper, we present an algorithm TKBT(top-k closed frequent mining based on TKTT) to mine top-k closed frequent itemsets in data streams efficiently. First according to the consecutive and changeable characteris... 详细信息
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A clustering algorithm for heterogeneous objects based on information dissimilarity
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Journal of Convergence Information technology 2012年 第22期7卷 93-100页
作者: Chen, Ziyang Wang, Xuefeng Ren, Jiadong College of Information Science and Engineering Yanshan University Qinhuangdao City 066004 China The Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province Qinhuangdao City 066004 China
Due to the introduction of weight of attributes, most of existing dissimilarity measures can not accurately reflect the difference between two heterogeneous objects, and then clustering quality was decreased. In this ... 详细信息
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A clustering algorithm for data stream based on spatial directed graph with core
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Journal of Convergence Information technology 2012年 第19期7卷 131-139页
作者: Dong, Jun Yuan, Xuemei Ren, Jiadong College of Information Science and Engineering Yanshan University Qinhuangdao City 066004 China Key Laboratory for Computer Virtual Technology System Integration of Hebei Province Qinhuangdao City 066004 China
Due to the randomness of the partition of grids, the edge points of clusters might be partitioned into the sparse grids. These points would become noise information out of clusters when we cluster data stream by grid-... 详细信息
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The effects of DHPG stimulation on spikes and theta frequency oscillations and spike-theta oscillation relations in rat MSDB slice
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Journal of Convergence Information technology 2012年 第17期7卷 442-449页
作者: Wen, Dong Ouyang, Gaoxiang Peng, Ce Li, Xiaoli Lu, Chengbiao Key Laboratory for Computer Virtual Technology and System Integration of HeBei Province Yanshan University Qinhuangdao Hebei China Institue of Electrical Engineering Yanshan University Qinhuangdao Hebei China National Key Laboratory of Cognitive Neuroscience and Learning Beijing Normal University Beijing 100088 China
Neuronal oscillations in the theta frequency range and spikes have been reported in many cortical areas in the information processing, but the role of spikes play in cortical processing remains unclear. The aim of thi... 详细信息
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The study to eeg synchronization in alzheimer's disease based on new s estimator method
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Journal of Convergence Information technology 2012年 第22期7卷 1-7页
作者: Wen, Dong Chen, Ruihong Key Laboratory for Computer Virtual Technology and System Integration of HeBei Province Yanshan University Qinhuangdao Hebei 066004 China Division of General Internal Medicine Xiantao First People's Hospital Xiantao Hubei 433000 China
Synchronization decay of resting state EEG has shown that cognitive dysfunction in Alzheimer's disease (AD) was relevant to a loss of functional connectivity in intermediate frequency bands. The new S estimator (N... 详细信息
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Fourth Normal Form and Free Redundancy for XML Document Based on Path Expression
Fourth Normal Form and Free Redundancy for XML Document Base...
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International Conference on computer Science and Network technology
作者: Zhongping Zhang Zhixiao Liu College of Information Science and Engineering The Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province Yanshan University College of Information Science and Engineering Yanshan University
With eXtensible Markup Language (XML) becoming more and more popular, to avoid the redundancy, XML schema design has become an important issue. So the normalization of XML is a hotspot in research field. Similar to re... 详细信息
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An identity authentication algorithm in the object name service of the internet of things for heat meter
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Advances in Information Sciences and Service Sciences 2012年 第22期4卷 174-181页
作者: Han, Yuanyuan Liu, Yongshan Chen, Wei Liu, Chang Shang, Xuehui Lv, Yongteng The Key Laboratory for Computer Virtual Technology and System Integration of HeBei Province Yanshan University Qinhuangdao City 066004 China College of Information Science and Engineering Yanshan University Qinhuangdao City 066004 China
In the environment of the Internet of Things for heat meter, insecurity of the object name service (ONS) is likely to lead to the leakage of user privacy. In order to solve this problem, an identity authentication alg... 详细信息
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