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Implementing trajectory data stream analysis in parallel has technical issues of data partition and improvements of the analysis operations. In this paper, we define the trajectory analysis problem as discovering trajectory companies of moving objects. We develop a discovery workflow in parallel batch processing. We solve technical issues of data partition and data locality in the steps of analysis...
The advances in location-acquisition technologies have generated massive spatio-temporal trajectory data, which represent the mobility of a diversity of moving objects over time, such as people, vehicles, and animals. Discovery of traveling companions on trajectory data has many real-world applications. Most of existing discovery approaches are limited to centralized computing, while these techniques...
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