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作品数：122被引量：170H指数：7
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An Efficient Outlier Detection Approach on Weighted Data Stream Based on Minimal Rare Pattern Mining被引量：1
《China Communications》2019年第10期83-99,共17页Saihua Cai Ruizhi Sun Shangbo Hao Sicong Li Gang Yuan 
supported by Fundamental Research Funds for the Central Universities (No. 2018XD004)
The distance-based outlier detection method detects the implied outliers by calculating the distance of the points in the dataset, but the computational complexity is particularly high when processing multidimensional...
关键词：OUTLIER detection WEIGHTED data STREAM MINIMAL WEIGHTED RARE pattern MINING deviation factors 
Continuous Clustering Trajectory Stream of Moving Objects
《China Communications》2013年第9期120-129,共10页于彦伟 王沁 王小东 
supported by the National Natural Science Foundation of China under Grants No.61172049,No.61003251;the National High Technology Research and Development Program of China(863 Program)under Grant No.2011AA040101;the Doctoral Fund of Ministry of Education of Chinaunder Grant No.20100006110015
The clustering of trajectories over huge volumes of streaming data has been rec- ognized as critical for many modem applica- tions. In this work, we propose a continuous clustering of trajectories of moving objects ov...
关键词：trajectory clustering moving obj-ect continuous query trajectory cluster trajec-tory outlier 
Rough Outlier Detection Based Security Risk Analysis Methodology被引量：13
《China Communications》2012年第7期14-21,共8页Li Qianmu Li Jia 
the Jiangsu 973 Scientific Project，the National Natural Science Foundation of China，the Jiangsu Natural Science Foundation，the Aerospace Innovation Fund，the Lianyungang Science & Technology Project
Security is a nonfunctional information system attribute that plays a crucial role in wide sensor network application domains. Security risk can be quantified as the combination of the probability that a sensor networ...
关键词：rough outlier risk analysis dimensionality reduction 
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