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In the era of spatial big data, geographic information system (GIS) faces many opportunities and challenges. The first challenge for future GIS is how to store and manage the spatial big data efficiently. For example, in 2013, the volume of Chinese arable land quality (ALQ) dataset is up to 2.51TB with ESRI Shapefile format, and traditional GIS development pattern with standalone version is not meeting...
With the rapid development of cloud computing technology, the concept of cloud storage application appears. Faced with the unusually large amount of data in the electric power information system and the insufficient data redundancy because of storage space, searching data resources quickly and reducing storage costs become an inevitable need. In this article, the data storage technology based on cloud...
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