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检索条件"机构=Key Labs of Data Engineering and Knowledge Engineering"
1101 条 记 录,以下是971-980 订阅
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Assessing the Influence Probability between Objects: A Random Walker Approach
Assessing the Influence Probability between Objects: A Rando...
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IEEE Symposium on Computational Intelligence and data Mining
作者: Li, Pei Li, Zhixu He, Jun Du, Xiaoyong Liu, Hongyan Key Labs of Data Engineering and Knowledge Engineering MOE China and School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
Influence between objects needs to be assessed in many applications. Lots of measures have been proposed, but a domain-independent method is still expected. In this paper, we give a probabilistic definition of influen... 详细信息
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Median query research in wireless sensor networks
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Tien Tzu Hsueh Pao/Acta Electronica Sinica 2010年 第2A期38卷 133-137页
作者: Wu, Zhong-Bo Zhang, Hui Chen, Hong Information School Renmin University of China Beijing 100872 China Key Laboratory of Data Engineering and Knowledge Engineering Ministry of Education Beijing 100872 China School of Mathematics and Computer Science Xiangfan University Xiangfan Hubei 441053 China
Poor quality and harsh condition can result in faulty and outlier data in sampling data of sensor nodes. So we need median query to reflect average level of monitoring region. First, we put forward HMA algorithm. Seco... 详细信息
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Approximation algorithm for constructing data aggregation trees for wireless sensor networks
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中国高等学校学术文摘·计算机科学 2009年 第4期3卷 524-534页
作者: Deying LI Jiannong CAO Qinghua ZHU Key Laboratory of Data Engineering and Knowledge Engineering School of InformationRenmin University of ChinaBeijing 100872China Internet and Mobile Computing Lab Department of ComputingHong Kong Polytechnic UniversityHong KongChina
This paper considers the problem of constructing data aggregation trees in wireless sensor networks (WSNs)for a group of sensor nodes to send collected information to a single sink *** data aggregation tree contains t... 详细信息
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Using link-based content analysis to measure document similarity effectively
Using link-based content analysis to measure document simila...
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Joint International Conference on Advances in data and Web Management, APWeb/WAIM 2009
作者: Li, Pei Li, Zhixu Liu, Hongyan He, Jun Du, Xiaoyong Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
Along with a massive amount of information being placed online, it is a challenge to exploit the internal and external information of documents when assessing similarity between them. A variety of approaches have been... 详细信息
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Exploiting the block structure of link graph for efficient similarity computation
Exploiting the block structure of link graph for efficient s...
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13th Pacific-Asia Conference on knowledge Discovery and data Mining, PAKDD 2009
作者: Pei, Li Yuanzhe, Cai Hongyan, Liu Jun, He Xiaoyong, Du Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
In many real-world domains, link graph is one of the most effective ways to model the relationships between objects. Measuring the similarity of objects in a link graph is studied by many researchers, but an effective... 详细信息
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MrCAR: A Multi-relational Classification Algorithm based on Association Rules
MrCAR: A Multi-relational Classification Algorithm based on ...
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International Conference on Web Information Systems and Mining
作者: Gu, Yingqin Liu, Hongyan He, Jun Hu, Bo Du, Xiaoyong Key Labs. of Data Engineering and Knowledge Engineering MOE China Information School Renmin University of China Beijing 100872 China School of Economics and Management Tsinghua University Beijing 100084 China
Classification is an important subject in data mining and machine learning, which has been studied extensively and has a wide range of applications. Classification based on association rules is one of the most effecti... 详细信息
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AutoPCS: A phrase-based text categorization system for similar texts
AutoPCS: A phrase-based text categorization system for simil...
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Joint International Conference on Advances in data and Web Management, APWeb/WAIM 2009
作者: Li, Zhixu Li, Pei Wei, Wei Liu, Hongyan He, Jun Liu, Tao Du, Xiaoyong Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
Nearly all text classification methods classify texts into predefined categories according to the terms appeared in texts. State-of-the-art of text classification prefer to simplely take a word as a term since it perf... 详细信息
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Deprank: A probabilistic measure of dependence via heterogeneous links
Deprank: A probabilistic measure of dependence via heterogen...
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Joint International Conference on Advances in data and Web Management, APWeb/WAIM 2009
作者: Li, Pei Hu, Bo Liu, Hongyan He, Jun Du, Xiaoyong Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China Department of Management Science and Engineering Tsinghua University Beijing China
Dependence is a common relationship between objects. Many works have paid their attentions on dependence, but many of them mainly focus on constructing or exploiting dependence graphs on some specific domain. In this ... 详细信息
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Two Novel Semantics of Top-k Queries Processing in Uncertain database
Two Novel Semantics of Top-k Queries Processing in Uncertain...
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International Conference on Computer and Information Technology (CIT)
作者: Dexi Liu Changxuan Wan N. Xiong Laurence T. Yang Lei Chen School of Information Technology Jiangxi Key Laboratory of Data and Knowledge Engineering Jiangxi University of Finance and Economics Nanchang China Department of Computer Science Georgia State University Atlanta GA USA Department of Computer Science Saint Francis Xavier University Antigonish NS Canada Department of Computer Science HK University of Science and Technology Hong Kong China
Top-k query is a powerful technique in uncertain databases because of the existence of exponential possible worlds, and it is necessary to combine score and confidence of tuples to derive top k answers. Different sema... 详细信息
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A Review-Based Reputation Evaluation Approach for Web Services
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Journal of Computer Science & Technology 2009年 第5期24卷 893-900页
作者: 李海华 杜小勇 Member 田萱 Key Laboratory of Data Engineering and Knowledge Engineering (Renmin University of China) MOE Beijing 100872 China School of Information Renmin University of China Beijing 100872 China School of Information Science & Technology Beijing Forestry University Beijing 100083 China
Web services are commonly perceived as an environment of both offering opportunities and threats. In this environment, one way to minimize threats is to use reputation evaluation, which can be computed, for example, t... 详细信息
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