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检索条件"机构=Key Laboratories of Data Engineering and Knowledge Engineering"
1142 条 记 录,以下是1111-1120 订阅
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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The rewriting algorithm for disjunctive queries between peer ontologies
The rewriting algorithm for disjunctive queries between peer...
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3rd International Conference on Semantics, knowledge, and Grid, SKG 2007
作者: Qin, Biao Wang, Shan Dept. of Computer Science Renmin University of China Beijing 100872 China Key Laboratory of Data Engineering and Knowledge Engineering Ministry of Education Beijing 100872 China
We study the problem of answering queries given a set of mappings between peer ontologies. In addition to the schema mapping between peer ontologies, there are axioms to give constraints to classes and properties. We ... 详细信息
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Measuring semantic association in domain ontology
Measuring semantic association in domain ontology
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3rd International Conference on Semantics, knowledge, and Grid, SKG 2007
作者: Tian, Xuan Li, HaiHua Du, Xiaoyong School of Information Renmin University of China Beijing 100872 China School of Information Renmin University of China Key Laboratory of Data Engineering and Knowledge Engineering Beijing 100872 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 present ... 详细信息
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Ontology hierarchies matching by lattices alignment
Ontology hierarchies matching by lattices alignment
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2nd International Workshop on Ontology Matching, OM-2007 - Collocated with the 6th International Semantic Web Conference, ISWC-2007 and the 2nd Asian Semantic Web Conference, ASWC-2007
作者: He, Hu Du, Xiaoyong School of Information Renmin University of China 100872 Beijing China Key Lab. of Data and Knowledge Engineering MOE 100872 Beijing China
Ontology matching determines the correspondences between concepts and relations of related ontologies. In this paper, we put forward an ontology hierarchies matching approach based on lattices alignment. The proposed ... 详细信息
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Building bilingual ontology from WordNet and Chinese classified thesaurus
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2nd International Conference on knowledge Science, engineering and Management, KSEM 2007
作者: He, Hu Xiaoyong, Du School of Information Renmin University of China 100872 Beijing China Key Lab. of Data and Knowledge Engineering MOE 100872 Beijing China
Both WordNet and Chinese Classified Thesaurus(CCT) are widely used in information retrieval and management systems. In this paper we propose a novel approach for building bilingual ontologies based on these existing k... 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
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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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Milling of multi-relational association rules
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Ruan Jian Xue Bao/Journal of Software 2007年 第11期18卷 2752-2765页
作者: He, Jun Liu, Hong-Yan Du, Xiao-Yong Department of Computer Science and Technology Renmin University of China Beijing 100872 China Department of Management Science and Engineering Tsinghua University Beijing 100084 China Key Laboratory of Data Engineering and Knowledge Engineering Beijing 100872 China
Association rule mining is one of the most important and basic technique in data mining, which has been studied extensively and has a wide range of applications. However, as traditional data mining algorithms usually ... 详细信息
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