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A SPATIOTEMPORAL AGGREGATION QUERY METHOD USING MULTI-THREAD PARALLEL TECHNIQUE BASED ON REGIONAL DIVISION
2015
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Existing spatiotemporal database supports spatiotemporal aggregation query over massive moving objects datasets. Due to the large amounts of data and single-thread processing method, the query speed cannot meet the application requirements. On the other hand, the query efficiency is more sensitive to spatial variation then temporal variation. In this paper, we proposed a spatiotemporal aggregation query method using multi-thread parallel technique based on regional divison and implemented it on
doi:10.5194/isprsannals-ii-4-w2-1-2015
fatcat:hxl7nnobj5erfdlcjlcjvdysxu