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检索条件"机构=Key Lab of Data Engineering and Knowledge Engineering of Ministry of Education"
667 条 记 录,以下是571-580 订阅
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Extracting domain-relevant term using wikipedia based on random walk model
Extracting domain-relevant term using wikipedia based on ran...
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7th ChinaGrid Annual Conference, ChinaGrid 2012
作者: Wu, Wenjuan Liu, Tao Hu, He Du, Xiaoyong Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China
In this paper we present a new approach for the automatic identification of domain-relevant concepts and entities of a given domain using the category and page structures of the Wikipedia in a language independent way... 详细信息
来源: 评论
Radical features for Chinese text classification
Radical features for Chinese text classification
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2012 9th International Conference on Fuzzy Systems and knowledge Discovery, FSKD 2012
作者: Hu, He Du, Xiaoyong Key Labs of Data Engineering and Knowledge Engineering Ministry of Education China School of Infonnation Renmin University of China Beijing China
Chinese radicals play important roles in forming Chinese character's semantic meaning. The semantic properties of radicals make them a promising source of information to be analyzed in text mining and content extr... 详细信息
来源: 评论
An approach for personalized tag recommendation based on interest transfer model
An approach for personalized tag recommendation based on int...
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9th Web Information Systems and Applications Conference, WISA 2012
作者: Liu, Yue Yang, Nan Yang, Gang School of Information Renmin University of China Bejing China Key Laboratory of Data Engineering and Knowledge Engineering Ministry of Education Bejing China
Recently, social tagging systems become more and more popular in many Web 2.0 applications. In such systems, Users are allowed to annotate a particular resource with a freely chosen a set of tags. These user-generated... 详细信息
来源: 评论
Co-spatial searcher: Efficient tag-based collaborative spatial search on geo-social network
Co-spatial searcher: Efficient tag-based collaborative spati...
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17th International Conference on database Systems for Advanced Applications, DASFAA 2012
作者: Zhang, Jinzeng Meng, Xiaofeng Zhou, Xuan Liu, Dongqi School of Information Renmin University of China Beijing China Key Labs. of Data Engineering and Knowledge Engineering Ministry of Education China
The proliferation of geo-social network, such as Foursquare and Facebook Places, enables users to generate location information and its corresponding descriptive tags. Using geo-social networks, users with similar int... 详细信息
来源: 评论
FindCredPg: A novel method to find credible pages based on trust web graph
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14th Asia Pacific Web Technology Conference, APWeb 2012
作者: Wang, Teng Zhu, Qing Wang, Shan Liang, Jingfan Key Laboratory of the Ministry of Education for Data Engineering and Knowledge Engineering Renmin University of China Beijing China School of Information Renmin University of China Beijing China
Finding credible pages is a challenging problem on the Web. Our key observation in this paper is that credible pages usually link to credible content-related pages, which is different from a normal page usually links ... 详细信息
来源: 评论
Combining spatial cloaking and dummy generation for location privacy preserving
Combining spatial cloaking and dummy generation for location...
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8th International Conference on Advanced data Mining and Applications, ADMA 2012
作者: Xu, Nana Zhu, Dan Liu, Hongyan He, Jun Du, Xiaoyong Liu, Tao Key Labs. of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China China Department of Management Science and Engineering Tsinghua University China
Location privacy preserving is attracting more and more attentions with the wide use of accurate positioning devices. Two kinds of methods based on k-anonymity have been proposed for location privacy preserving. One i... 详细信息
来源: 评论
Efficient SPARQL query processing in mapreduce through data partitioning and indexing
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14th Asia Pacific Web Technology Conference, APWeb 2012
作者: Nie, Zhi Du, Fang Chen, Yueguo Du, Xiaoyong Xu, Linhao Key Laboratory of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China Beijing China IBM Research China Beijing China
Processing SPARQL queries on single node is obviously not scalable, considering the rapid growth of RDF knowledge bases. This calls for scalable solutions of SPARQL query processing over Web-scale RDF data. There have... 详细信息
来源: 评论
H-tree: A hybrid structure for confidence computation in probabilistic databases
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14th Asia Pacific Web Technology Conference, APWeb 2012
作者: Zhang, Qian Qin, Biao Wang, Shan Key Laboratory of Data Engineering and Knowledge Engineering Renmin University of China Ministry of Education Beijing 100872 China School of Information Renmin University of China Beijing 100872 China
Probabilistic database has become a popular tool for uncertain data management. Most work in the area is focused on efficient query processing and has two main directions, accurate or approximate evaluation. In recent... 详细信息
来源: 评论
Predicting retweet behavior in Weibo social network
Predicting retweet behavior in Weibo social network
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13th International Conference on Web Information Systems engineering, WISE 2012
作者: Zhang, Hongbo Zhao, Qun Liu, Hongyan Xiao, Ke He, Jun Du, Xiaoyong Chen, Hong Key Labs. of Data Engineering and Knowledge Engineering Ministry of Education China School of Information Renmin University of China China School of Economics and Management Tsinghua University China
Retweeting ensures the information diffusion in micro-blog services. By this simple way, it is convenient for a user to share and spread interesting information in the whole network. In this paper, we consider many fe... 详细信息
来源: 评论
Information propagation in online social networks based on user behavior
Information propagation in online social networks based on u...
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3rd International Conference on Information Computing and Applications, ICICA 2012
作者: Li, Niu Han, Xiaoting Key Laboratory of Ministry of Education for Data Engineering and Knowledge Engineering Renmin University of China Beijing China School of Information Resource Management Renmin University of China Beijing China School of Economics and Management Beihang University Beijing China
Along with the development of Internet and Web2.0, online social networks (OSNs) are becoming an important information propagation platform. Therefore, it is of great significance to study the information propagation ... 详细信息
来源: 评论