27 Trajectory stream manager Trajectory stream manager operations  receives raw location data about mobile users' movement  reconstructs trajectories (excluding noise, etc.) and posts trajectory data to a MOD (Moving Object Database) Results so far – 2 alternatives  Assumptions about trajectory 'birth' ( for spatial/temporal gaps between traces)  Studying the notion of 'stop' (suspension of an entity's movement) (Theodoridis and Peleikis 2007)
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