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Zebang Liu, Luo Chen, Anran Yang, Mengyu Ma and Jingzhi Cao
In the big data era, rapid visualization of large-scale vector data has become a serious challenge in Geographic Information Science (GIS). To fill the gap, we propose HiIndex, a spatial index that enables real-time and interactive visualization of large...
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Weiqing Tao, Mengyu Ma, Chen Fang, Wei Xie, Ming Ding, Dachao Xu and Yangqing Shi
The wide area measurement system (WAMS) based on synchronous phasor measurement technology has been widely used in power transmission grids to achieve dynamic monitoring and control of the power grid. At present, to better realize real-time situational a...
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Weiqing Tao, Mengyu Ma, Ming Ding, Wei Xie and Chen Fang
With the advancement of active distribution network construction, to solve the shortcomings of the existing distribution network technology in distribution network perception and control, the relevant technologies of the Wide Area Measurement System (WAM...
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Guangyang Zhu, Jun Li, Jiangjiang Wu, Mengyu Ma, Li Wang and Ning Jing
Viewshed analysis is of great interest to location optimization, environmental planning, ecology and tourism. There have been plenty of viewshed analysis methods which are generally time-consuming and among these methods, the XDraw algorithm is one of th...
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Mengyu Ma, Ye Wu, Wenze Luo, Luo Chen, Jun Li and Ning Jing
Buffer analysis, a fundamental function in a geographic information system (GIS), identifies areas by the surrounding geographic features within a given distance. Real-time buffer analysis for large-scale spatial data remains a challenging problem since ...
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