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《电子学报(英文)》 2018-05
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A Correlation Visual Analytics System for Air Quality

DU Yi;Abish Malik;ZHOU Lianke;ZHOU Yuanchun;Department of Big Data Technology and Application Development,Computer Network Information Center,Chinese Academy of Sciences;Davista Technologies;College of Computer Science and Technology at Harbin Engineering University;  
A visual analytics system is proposed to reveal the lead/lag correlation when air pollution is detected. In this system, an Overview + Detail approach is utilized for analyzing the correlation of air quality under both the spatial and temporal dimensions and different spatial-temporal scales. An annular container is proposed to preserve the context spatial information while the zoom level of the map changes. Based on the annular container, several analysis techniques such as STL decomposition view and correlation algorithm are integrated.
【Fund】: supported by the National Key Research and Development Program of China(No.2017YFC1601504);; the National Natural Science Foundation of China under Grant(No.61402435);; China Scholarship Council
【CateGory Index】: TP274;X1
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