On-line discovery of flock patterns in spatio-temporal data

@inproceedings{Vieira2009OnlineDO,
  title={On-line discovery of flock patterns in spatio-temporal data},
  author={Marcos R. Vieira and Petko Bakalov and Vassilis J. Tsotras},
  booktitle={GIS},
  year={2009}
}
With the recent advancements and wide usage of location detection devices, large quantities of data are collected by GPS and cellular technologies in the form of trajectories. While most previous work on trajectory-based queries has concentrated on traditional range, nearest-neighbor and similarity queries, there is an increasing interest in queries that capture the "aggregate" behavior of trajectories as groups. Consider, for example, finding groups of moving objects that move "together", i.e… CONTINUE READING
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