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JDA
2016

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Straight-path queries in trajectory data

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Straight-path queries in trajectory data

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Abstract. Inspired by sports analysis, we study data structures for storing a trajectory representing the movement of a player during a game, such that the following queries can be answered: Given two positions s and t, report all sub-trajectories in which the player moved in a more or less straight line from s to t. We consider two measures of straightness, namely dilation and direction deviation, and present eﬃcient construction algorithms for our data structures, and analyze their performance.

Mark de Berg, Ali D. Mehrabi

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Added	06 Apr 2016
Updated	06 Apr 2016
Type	Journal
Year	2016
Where	JDA
Authors	Mark de Berg, Ali D. Mehrabi

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