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Streaming Histogram Publication over Weighted Sliding Windows Under Differential Privacy
《Tsinghua Science and Technology》2024年第6期1674-1693,共20页Xiujun Wang Lei Mo Xiao Zheng Zhe Dang 
supported by the Program for Synergy Innovation in the Anhui Higher Education Institutions of China(No.GXXT-2020-012);the National Natural Science Foundation of China(No.62172003);the Anhui Provincial Natural Science Foundation(No.2108085MF218);the Anhui Province University Natural Science Research Project(No.2022AH040052);the Science and Technology Innovation Program of Ma’anshan,China(No.2021a120009).
Continuously publishing histograms in data streams is crucial to many real-time applications,as it provides not only critical statistical information,but also reduces privacy leaking risk.As the importance of elements...
关键词：differential privacy randomized algorithm streaming data publication weighted sliding window approximate statistics data usability computational complexity 
Combined UAMP and MF Message Passing Algorithm for Multi-Target Wideband DOA Estimation with Dirichlet Process Prior
《Tsinghua Science and Technology》2024年第4期1069-1081,共13页Shanwen Guan Xinhua Lu Ji Li Rushi Lan Xiaonan Luo 
supported in part by the National Natural Science Foundation of China(Nos.6202780103 and 62033001);the Innovation Key Project of Guangxi Province(No.AA22068059);the Key Research and Development Program of Guilin(No.2020010332);the Natural Science Foundation of Henan Province(No.222300420504);Academic Degrees and Graduate Education Reform Project of Henan Province(No.2021SJGLX262Y).
When estimating the direction of arrival (DOA) of wideband signals from multiple sources, the performance of sparse Bayesian methods is influenced by the frequency bands occupied by signals in different directions. Th...
关键词：wideband direction of arrival(DOA)estimation sparse Bayesian learning(SBL) unitary approximate message passing(UAMP)algorithm Dirichlet process(DP) 
BSIN: A Behavior Schema of Information Networks Based on Approximate Bisimulation
《Tsinghua Science and Technology》2024年第4期1092-1104,共13页Wujie Hu Jinzhao Wu 
supported by the National Natural Science Foundation of China(No.12261027);the Innovation Project of Guangxi Graduate Education(No.YCBZ2021027).
Information networks are becoming increasingly important in practice. However, their escalating complexity is gradually impeding the efficiency of data mining. A novel network schema called the Behavior Schema of Info...
关键词：data mining information network approximate bisimulation controllable error 
Accurate Reliability Analysis Methods for Approximate Computing Circuits被引量：1
《Tsinghua Science and Technology》2022年第4期729-740,共12页Zhen Wang Guofa Zhang Jing Ye Jianhui Jiang Fengyong Li Yong Wang 
supported by the National Natural Science Foundation of China(Nos.61432017 and 61772327);the Natural Science Foundation of Shanghai(Nos.20ZR1455900 and 20ZR1421600);the Qi'anxin National Engineering Laboratory for Big Data Collaborative Security Technology Open Project(No.QAX-201803);State Key Laboratory of Computer Architecture,Institute of Computing Technology,Chinese Academy of Sciences(No.CARCHA202005)。
In recent years,Approximate Computing Circuits(ACCs)have been widely used in applications with intrinsic tolerance to errors.With the increased availability of approximate computing circuit approaches,reliability anal...
关键词：Approximate Computing Circuit(ACC) correlation coefficient iterative Probabilistic Transfer Matrix(PTM) RELIABILITY 
Improved Approximate Minimum Degree Ordering Method and Its Application for Electrical Power Network Analysis and Computation被引量：1
《Tsinghua Science and Technology》2021年第4期464-474,共11页Jian Guo Hong Liang Songpu Ai Chao Lu Haochen Hua Junwei Cao 
supported in part by the National Key Basic Research and Development Program of China(No.2017YFE0132100);the Tsinghua-Toyota Research Fund(No.20203910016);the BNRist Program(No.BNR2020TD01009)。
Electrical power network analysis and computation play an important role in the planning and operation of the power grid,and they are modeled mathematically as differential equations and network algebraic equations.Th...
关键词：Approximate Minimum Degree and Minimum Length(AMDML) electrical power network analysis elimination tree numerical solution ordering method 
Sampling-Based Approximate Skyline Query in Sensor Equipped IoT Networks被引量：5
《Tsinghua Science and Technology》2021年第2期219-229,共11页Ran Bi Akshita Maradapu Vera Venkata Sai Xiuzhen Cheng Wei Cheng Zhi Tian Yingshu Li 
supported in part by the National Natural Science Foundation of China(Nos.61602084,61761136019,U1808206,61772112,and 61972083);the Post-Doctoral Science Foundation of China(No.2016M600202);the Doctoral Scientific Research Foundation of Liaoning Province(No.201601041);the Fundamental Research Fund for the Central Universities(No.DUT19JC53)。
Mobile-edge computing casts the computation-intensive and delay-sensitive applications of mobile devices onto network edges.Task offloading incurs extra communication latency and energy cost,and extensive efforts have...
关键词：UTILITY approximation algorithm quality of experience mobile edge computing 
Approximate Data Aggregation in Sensor Equipped IoT Networks被引量：8
《Tsinghua Science and Technology》2020年第1期44-55,共12页Ji Li Madhuri Siddula Xiuzhen Cheng Wei Cheng Zhi Tian Yingshu Li 
supported by the National Science Foundation (NSF) (Nos. 1741277, 1741287, 1741279, 1851197, and 1741338)
As Internet-of-Things(IoT) networks provide efficient ways to transfer data, they are used widely in data sensing applications. These applications can further include wireless sensor networks. One of the critical prob...
关键词：DATA AGGREGATION sampling Internet-of-Things(IoT) NETWORKS 
Descriptors for DNA Sequences Based on Joint Diagonalization of Their Feature Matrices from Dinucleotide Physicochemical Properties
《Tsinghua Science and Technology》2013年第5期446-453,共8页Hongjie Yu Deshuang Huang 
supported by the Key Project from Education Department of Anhui Province (No.KJ2013A076);the PhD Programs Foundation of Ministry of Education of China (No.20120072110040);the National Natural Science Foundation of China (Nos.61133010,31071168,and 61005010);the China Postdoctoral Science Foundation (No.2012T50582)
Numerical characterizations of DNA sequence can facilitate analysis of similar sequences. To visualize and compare different DNA sequences in less space, a novel descriptors extraction approach was proposed for numeri...
关键词：descriptors approximate joint diagonalization dendrogram physicochemical property similarity analysis 
Gradient Search Non-Orthogonal Approximate Joint Diagonalization Algorithm
《Tsinghua Science and Technology》2007年第6期669-673,共5页李细林 张贤达 李培胜 
Supported by the Basic Research Foundation of Tsinghua National Laboratory for Information Science and Technology (TNList) ;the National Natural Science Foundation of China (No. 60675002)
The problem of approximate joint diagonalization of a set of matrices is instrumental in numerous statistical signal processing applications. This paper describes a relative gradient non-orthogonal approximate joint d...
关键词：approximate joint diagonalization gradient methods DECORRELATION STATISTICS adaptive signa processing 
Approximate Degree Reduction of Bezier Curves被引量：10
《Tsinghua Science and Technology》1998年第2期51-54,共4页胡事民 孙家广 金通光 汪国昭 
Degree reduction of parametric curves and surfaces is an important process in data communication between CAD systems. The degenerate condition of Bezier curves and the constrained optimization method are used to devel...
关键词：Bezier curve degree reduction degenerate condition constrained optimization geometric continuity 
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