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Wenying Du, Chang Ge, Shuang Yao, Nengcheng Chen and Lei Xu
Volunteered geographic information (VGI) plays an increasingly crucial role in flash floods. However, topic classification and spatiotemporal analysis are complicated by the various expressions and lengths of social media textual data. This paper conduct...
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Nengcheng Chen, Meijuan Yang, Wenying Du and Min Huang
The satellite-retrieved Aerosol Optical Depth (AOD) is widely used to estimate the concentrations and analyze the spatiotemporal pattern of Particulate Matter that is less than or equal to 2.5 microns (PM2.5), also providing a way for the related researc...
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Zeqiang Chen and Nengcheng Chen
The timely sharing and interoperation of multi-source cross-sectoral information is an important issue for a Geographic Information System (GIS). To study this issue, a real-time and open GIS model called GeoSensor is proposed in this work. GeoSensor int...
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Changjiang Xiao, Nengcheng Chen, Jianya Gong, Wei Wang, Chuanbo Hu and Zeqiang Chen
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Nengcheng Chen, Yingbing Liu, Jia Li and Zeqiang Chen
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Lianjie Zhou, Nengcheng Chen and Zeqiang Chen
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Changjiang Xiao, Nengcheng Chen, Xiaolei Wang and Zeqiang Chen
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Huan Li, Hong Fan, Jia Li and Nengcheng Chen
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Wei Wang, Chuanbo Hu, Nengcheng Chen, Changjiang Xiao and Shan Jia
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