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Trajectory Queries Using Space Partitioning
Nov. 23, 2022, 5:51 p.m. | João Paulo Figueira
Towards Data Science - Medium towardsdatascience.com
How can we quickly find overlapping trajectories?
Photo by Jens Lelie on UnsplashWhile traveling through space, an object describes a trajectory. We can think about a trajectory as a function of time that outputs positions in space. Conceptually, trajectories are continuous functions, although we pragmatically use their discrete versions. A discrete trajectory is a time-ordered collection of points in space where we implicitly assume a linear interpolation between each point. This representation makes storing discrete trajectories in databases very …
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