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检索条件"机构=Key Laboratory of Data Mining and Knowledge Engineering"
1809 条 记 录,以下是211-220 订阅
排序:
DSM: Question Generation over knowledge Base via Modeling Diverse Subgraphs with Meta-learner
DSM: Question Generation over Knowledge Base via Modeling Di...
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2022 Conference on Empirical Methods in Natural Language Processing, EMNLP 2022
作者: Guo, Shasha Zhang, Jing Wang, Yanling Zhang, Qianyi Li, Cuiping Chen, Hong School of Information Renmin University of China Beijing China Key Laboratory of Data Engineering and Knowledge Engineering of Ministry of Education China
Existing methods on knowledge base question generation (KBQG) learn a one-size-fits-all model by training together all subgraphs without distinguishing the diverse semantics of subgraphs. In this work, we show that ma... 详细信息
来源: 评论
COP: Privacy-preserving multidimensional partition in DAS paradigm  09
COP: Privacy-preserving multidimensional partition in DAS pa...
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2009 International Conference on Extending database Technology/International Conference on database Theory Workshops, EDBT/ICDT '09
作者: Wang, Jieping Du, Xiaoyong Wang, Haocong Yang, Pingping Key Laboratory of Data Engineering and Knowledge Engineering MOE China School of Information Renmin University of China Beijing 100872 China
database-as-a-Service (DAS) is an emerging database management paradigm wherein partition based index is an effective way to querying encrypted data. However, previous research either focuses on one-dimensional partit... 详细信息
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Efficient Duplicate Detection on Cloud Using a New Signature Scheme
Efficient Duplicate Detection on Cloud Using a New Signature...
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12th International Conference on Web-Age Information Management
作者: Rong, Chuitian Lu, Wei Du, Xiaoyong Zhang, Xiao Key Labs. of Data Engineering and Knowledge Engineering MOE China School of Information Renmin University of China China Shanghai Key Laboratory of Intelligent Information Processing China
Duplicate detection has been well recognized as a crucial task to improve the quality of data. Related work on this problem mainly aims to propose efficient approaches over a single machine. However, with increasing v... 详细信息
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Maintaining materialized relations incrementally to improve performance of ontology query
Maintaining materialized relations incrementally to improve ...
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7th International Conference on Web-Age Information Management Workshops, WAIM 2006
作者: Li, Man Du, Xiaoyong Wang, Shan School of Information Renmin University of China China Key Laboratory of Data Engineering and Knowledge Engineering MOE 100872 Beijing China
For ontology-based applications, the efficiency of ontology query is vital. Different from existing approaches, the paper improves performance of ontology query by materializing some derived relations. Experimental re... 详细信息
来源: 评论
Search result diversification based on hierarchical intents  15
Search result diversification based on hierarchical intents
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24th ACM International Conference on Information and knowledge Management, CIKM 2015
作者: Hu, Sha Dou, Zhicheng Wang, Xiaojie Sakai, Tetsuya Wen, Ji-Rong Beijing Key Laboratory of Big Data Management and Analysis Methods China Key Laboratory of Data Engineering and Knowledge Engineering MOE China School of Information Renmin University of China China Waseda University Japan
A large percentage of queries issued to search engines are broad or ambiguous. Search result diversification aims to solve this problem, by returning diverse results that can fulfill as many different information need... 详细信息
来源: 评论
Relative manifold based semi-supervised dimensionality reduction
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Frontiers of Computer Science 2014年 第6期8卷 923-932页
作者: Xianfa CAI Guihua WEN Jia WEI Zhiwen YU School of Medical Information Engineering Guangdong Pharmaceutical University Guangzhou 510006 China School of Computer Science and Engineering South China University of Technology Guangzhou 510006 China Shenzhen Key Laboratory of High Performance Data Mining Shenzhen 518055 China
A well-designed graph plays a fundamental role in graph-based semi-supervised learning; however, the topological structure of a constructed neighborhood is unstable in most current approaches, since they are very sens... 详细信息
来源: 评论
WATuning:A Workload-Aware Tuning System with Attention-Based Deep Reinforcement Learning
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Journal of Computer Science & Technology 2021年 第4期36卷 741-761页
作者: Jia-Ke Ge Yan-Feng Chai Yun-Peng Chai Key Laboratory of Data Engineering and Knowledge Engineering of Ministry of Education Renmin University of China Beijing 100872China School of Information Renmin University of ChinaBeijing 100872China College of Computer Science and Technology Taiyuan University of Science and TechnologyTaiyuan 030027China
Configuration tuning is essential to optimize the performance of systems(e.g.,databases,key-value stores).High performance usually indicates high throughput and low *** present,most of the tuning tasks of systems are ... 详细信息
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ESL-SELO:A Robust Image Denoising Algorithm with Penalty
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Acta Mathematicae Applicatae Sinica 2017年 第3期33卷 753-770页
作者: Guo-hua WANG San-guo ZHANG Peng-jie DAI School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049China Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of SciencesBeijing100049China School of Business Remin University of ChinaBeijing 100872China
Robust image recovery methods have been attracted more and more attention in recent decades for its good property of tolerating system errors or measuring noise. In this paper, we propose a new robust method (ESL-SEL... 详细信息
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Accuracy estimation of link-based similarity measures and its application
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Frontiers of Computer Science 2016年 第1期10卷 113-123页
作者: Yinglong ZHANG Cuiping LI Chengwang XIE Hong CHEN School of Software East China Jiaotong University Nanchang 330045 China Key Laboratory of Data Engineering and Knowledge Engineering of Ministry of Education and Department of Computer Science Renmin University of China Beijing 100872 China Intelligent Optimization and Information Processing Laboratory East China Jiaotong University Nanchang 330013 China
Link-based similarity measures play a significant role in many graph based applications. Consequently, mea- suring node similarity in a graph is a fundamental problem of graph data mining. Personalized PageRank (PPR... 详细信息
来源: 评论
Land degradation sensitivity assessment and convergence analysis in Korla of Xinjiang, China
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Journal of Arid Land 2020年 第4期12卷 594-608页
作者: DING Jinchen CHEN Yunzhi WANG Xiaoqin CAO Meiqin Key Laboratory of Spatial Data Mining and Information Sharing of Ministry of Education National&Local Joint Engineering Research Center of Satellite Geospatial Information TechnologyFuzhou UniversityFuzhou 350108China
Land degradation has a major impact on environmental and socio-economic sustainability. Scientific methods are necessary to monitor the risk of land degradation. In this study, the environmental sensitive area index(E... 详细信息
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