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检索条件"机构=Laboratory of Data Engineering and Knowledge Engineering"
1037 条 记 录,以下是61-70 订阅
Summarizing Large-Scale database Schema Using Community Detection
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Journal of Computer Science & Technology 2012年 第3期27卷 515-526页
作者: 王雪 周烜 王珊 School of Information Renmin University of China Key Laboratory of Data Engineering and Knowledge Engineering Renmin University of China
Schema summarization on large-scale databases is a challenge. In a typical large database schema, a great proportion of the tables are closely connected through a few high degree tables. It is thus difficult to separa... 详细信息
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Approximation for a scheduling problem with application in wireless networks
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Science China Mathematics 2010年 第6期53卷 1643-1655页
作者: ZHU QingHua & LI DeYing Key laboratory of data engineering and knowledge engineering,MOE,School of Information,Renmin University of China,Beijing 100872,China Key Laboratory of Data Engineering and Knowledge Engineering MOE School of Information Renmin University of China Beijing China
A network of many sensors and a base station that are deployed over a region is *** sensor has a transmission range,an interference range and a carrier sensing range,which are r,αr and βr,*** this paper,we study the... 详细信息
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UAV Swarm-enabled Collaborative Post-disaster Communications in Low Altitude Economy via a Two-stage Optimization Approach
arXiv
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arXiv 2025年
作者: Zheng, Xiaoya Sun, Geng Li, Jiahui Wang, Jiacheng Wu, Qingqing Niyato, Dusit Jamalipour, Abbas College of Computer Science d Technology Jilin University Changchun130012 China Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education Jilin University Changchun130012 China College of Computing and Data Science Nanyang Technological University 639798 Singapore College of Computing and ta Science Nanyang Technological University 639798 Singapore Department of Electronic Engineering Shanghai Jiao Tong University Shanghai200240 China School of Electrical and Computer Engiering The University of Sydney SydneyNSW2006 Australia
The low-altitude economy (LAE), as a new economic paradigm, plays an indispensable role in cargo transportation, healthcare, infrastructure inspection, and especially post-disaster communication. Specifically, unmanne... 详细信息
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Partial Label Learning via Conditional-Label-Aware Disambiguation
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Journal of Computer Science & Technology 2021年 第3期36卷 590-605页
作者: Peng Ni Su-Yun Zhao Zhi-Gang Dai Hong Chen Cui-Ping Li Key Laboratory of Data Engineering and Knowledge Engineering(Renmin University of China) Ministry of Education Beijing 100087China School of Information Renmin University of ChinaBeijing 100087China
Partial label learning is a weakly supervised learning framework in which each instance is associated with multiple candidate labels,among which only one is the ground-truth *** paper proposes a unified formulation th... 详细信息
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Efficient protocols for heavy hitter identification with local differential privacy
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Frontiers of Computer Science 2022年 第5期16卷 193-203页
作者: Dan ZHAO Suyun ZHAO Hong CHEN Ruixuan LIU Cuiping LI Wenjuan LIANG Key Laboratory of Data Engineering and Knowledge Engineering of Ministry of Education Renmin University of ChinaBeijing 100872China School of Information Renmin University of ChinaBeijing 100872China
Local differential privacy(LDP),which is a technique that employs unbiased statistical estimations instead of real data,is usually adopted in data collection,as it can protect every user’s privacy and prevent the lea... 详细信息
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Efficient Model Store and Reuse in an OLML database System
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Journal of Computer Science & Technology 2021年 第4期36卷 792-805页
作者: Jian-Wei Cui Wei Lu Xin Zhao Xiao-Yong Du 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
Deep learning has shown significant improvements on various machine learning tasks by introducing a wide spectrum of neural network ***,for these neural network models,it is necessary to label a tremendous amount of t... 详细信息
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Improving Parameter Estimation and Defensive Ability of Latent Dirichlet Allocation Model Training Under Rényi Differential Privacy
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Journal of Computer Science & Technology 2022年 第6期37卷 1382-1397页
作者: Tao Huang Su-Yun Zhao Hong Chen Yi-Xuan Liu Key Laboratory of Data Engineering and Knowledge Engineering(Renmin University of China) Ministry of Education Beijing 100087China School of Information Renmin University of ChinaBeijing 100087China
Latent Dirichlet allocation(LDA)is a topic model widely used for discovering hidden semantics in massive text *** Gibbs sampling(CGS),as a widely-used algorithm for learning the parameters of LDA,has the risk of priva... 详细信息
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Study on the Characteristics of Cross-Domain knowledge Diffusion from Science to Policy: Evidence from Overton data
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Proceedings of the Association for Information Science and Technology 2023年 第1期60卷 368-378页
作者: Ren, Chao Yang, Menghui School of Information Resource Management Renmin University of China China Key Laboratory of Data Engineering and Knowledge Engineering Ministry of Education China
The cross-domain knowledge diffusion from science to policy is a prevalent phenomenon that demands academic attention. To investigate the characteristics of cross-domain knowledge diffusion from science to policy, thi... 详细信息
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Multi-Cluster Feature Selection Based on Isometric Mapping
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IEEE/CAA Journal of Automatica Sinica 2022年 第3期9卷 570-572页
作者: Yadi Wang Zefeng Zhang Yinghao Lin Henan Key Laboratory of Big Data Analysis and Processing Henan UniversityKaifeng 475004 Institute of Data and Knowledge Engineering School of Computer and Information EngineeringHenan UniversityKaifeng 475004China
Dear editor,This letter presents an unsupervised feature selection method based on machine *** selection is an important component of artificial intelligence,machine learning,which can effectively solve the curse of d... 详细信息
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Hadamard Encoding Based Frequent Itemset Mining under Local Differential Privacy
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Journal of Computer Science & Technology 2023年 第6期38卷 1403-1422页
作者: 赵丹 赵素云 陈红 刘睿瑄 李翠平 张晓莹 Institute of Scientific and Technical Information of China Beijing 100038China Key Laboratory of Data Engineering and Knowledge Engineering(Ministry of Education) School of InformationRenmin University of ChinaBeijing 100872China
Local differential privacy(LDP)approaches to collecting sensitive information for frequent itemset mining(FIM)can reliably guarantee *** current approaches to FIM under LDP add"padding and sampling"steps to ... 详细信息
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