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检索条件"机构=Key Lab of Data Engineering and Knowledge Engineering of MOE"
355 条 记 录,以下是341-350 订阅
排序:
Quality aware privacy protection for location-based services
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12th International Conference on database Systems for Advanced Applications, DASFAA 2007
作者: Zhen, Xiao Xiaofeng, Meng Jianliang, Xu School of Information Renmin University of China Key Laboratory of Data Engineering and Knowledge Engineering MOE Department of Computer Science Hong Kong Baptist University
Protection of users' privacy has been a central issue for location-based services (LBSs). In this paper, we classify two kinds of privacy protection requirements in LBS: location anonymity and identifier anonymity... 详细信息
来源: 评论
Dynamic balanced storage in wireless sensor networks  07
Dynamic balanced storage in wireless sensor networks
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DMSN '07: 4th Workshop on data Management for Sensor Networks
作者: Lai, Yongxuan Chen, Hong Wang, Yufeng School of Information Renmin University of China Key Laboratory of Data Engineering and Knowledge Engineering MOE No.59 Zhongguancun Street Haidian District Beijing China
data-centric storage is an effective and important technique in the wireless sensor networks. It stores the sensing data according to their values by mapping them to some point in the network in order to avoid routing... 详细信息
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Finding top-k min-cost connected trees in databases
Finding top-k min-cost connected trees in databases
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23rd International Conference on data engineering, ICDE 2007
作者: Ding, Bolin Yu, Jeffrey Xu Wang, Shan Qin, Lu Zhang, Xiao Lin, Xuemin Chinese University of Hong Kong Hong Kong Key Laboratory of Data Engineering and Knowledge Engineering MOE of China Renmin University of China China University of New South Wales NICTA Australia
It widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study processing an l-keyword query, p1, p2, , ... 详细信息
来源: 评论
J+-tree: A new index structure in main memory
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12th International Conference on database Systems for Advanced Applications, DASFAA 2007
作者: Luan, Hua Du, Xiaoyong Wang, Shan Ni, Yongzhi Chen, Qiming School of Information Renmin University of China Beijing China Key Laboratory of Data Engineering and Knowledge Engineering Renmin University of China MOE Beijing China HP Labs. China Beijing China
As the memory capacity increases and the hardware becomes cheaper, main memory databases (MMDB) have come true and been used in more and more applications, because they can provide better response time and throughputs... 详细信息
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Computing Degree of Association Based on Different Semantic Relationships
Computing Degree of Association Based on Different Semantic ...
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International Workshop on database and Expert Systems Applications
作者: Xuan Tian Xiaoyong Du Haihua Li School of Information Key Laboratory of Data Engineering and Knowledge Engineering MOE Renmin University of China Beijing China
In domain ontologies, there is usually no weight assigned to the link between two concepts. This has been considered as one of main obstacles in using ontologies. Semantic Association (SA) is to depict the correlation... 详细信息
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Modeling User_s Cognitive Structure in Contextual Information Retrieval
Modeling User_s Cognitive Structure in Contextual Informatio...
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International Conference on Fuzzy Systems and knowledge Discovery (FSKD)
作者: Xuan Tian Xiaoyong Du He Hu Haihua Li School of Information Key Laboratory of Data Engineering and Knowledge Engineering MOE Renmin University of China Beijing China
In contextual information retrieval, the retrieval of information depends on the time and place of submitting query, history of interaction, task in hand, and many other factors that are not given explicitly but impli... 详细信息
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Energy-efficient Robust data-centric Storage in Wireless Sensor Networks
Energy-efficient Robust Data-centric Storage in Wireless Sen...
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第三届IEEE无线通讯、网络技术暨移动计算国际会议
作者: Yongxuan Lai Yufeng Wang Hong Chen School of Information Renmin University of China Beijing P.R.China Key Laboratory of Data Engineering and Knowledge Engineering MOE
In this paper, we propose a new Dynamic datacentric Storage (DDS) mechanism in wireless sensor network. DDS, which is aware of the data distributions of the network, dynamically adjusts the mappings from sensor readin... 详细信息
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Measuring Semantic Associaiton in Domain Ontology
Measuring Semantic Associaiton in Domain Ontology
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International Conference on Semantics, knowledge and Grid (SKG)
作者: Xuan Tian Haihua Li Xiaoyong Du School of Information Renmin University of China Beijing China Key Laboratory of Data Engineering and Knowledge Engineering MOESchool of Information Renmin University of China Beijing China
In domain ontology, semantic association (SA) is used to depict the correlation between two concepts. In this paper, we define semantic association degree (SAD) for measuring SA in the domain ontology. We first presen... 详细信息
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Finding Top-k Min-Cost Connected Trees in databases
Finding Top-k Min-Cost Connected Trees in Databases
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International Conference on data engineering
作者: Bolin Ding Jeffrey Xu Yu Shan Wang Lu Qin Xiao Zhang Xuemin Lin Chinese University of Hong Kong China Key Laboratory of Data Engineering and Knowledge Engineering MOE of China Renmin University of China China University of New South Wales Australia
It is widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study processing an l-keyword query, p 1 , p... 详细信息
来源: 评论
database Research: Achievements and Challenges
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Journal of Computer Science & Technology 2006年 第5期21卷 823-837页
作者: 王珊 杜小勇 孟小峰 陈红 School of Information Renmin University of China MOE Key Lab of Data Engineering and Knowledge Engineering Beijing 100872 P.R. China
database system is the infrastructure of the modern information system. The R&D in the database system and its technologies is one of the important research topics in the field. The database R&D in China took off la... 详细信息
来源: 评论