Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/7901
Title: Trajectory databases: data models, uncertainty and complete query languages
Authors: KUIJPERS, Bart 
OTHMAN, Walied 
Issue Date: 2007
Publisher: Springer-Verlag
Source: Proceedings of 11th International Conference on Database Theory (ICDT'07). p. 224-238
Series/Report: Lecture Notes in Computer Science
Series/Report no.: 4353
Abstract: Moving ob jects produce tra jectories. We describe a data model for tra jectories and tra jectory samples and an efficient way of mod- eling uncertainty via beads for tra jectory samples. We study transfor- mations for which important physical properties of tra jectories, such as speed, are invariant. We also determine which transformations preserve beads. We give conceptually easy first-order complete query languages and computationally complete query languages for tra jectory databases, which allow to talk directly about speed and beads. The queries express- ible in these languages are invariant under speed- and bead-preserving transformations.
Keywords: moving object databases, constraint databases
Document URI: http://hdl.handle.net/1942/7901
ISBN: 3-540-69269-X
DOI: 10.1007/11965893_16
ISI #: 000244800500016
Category: C1
Type: Proceedings Paper
Appears in Collections:Research publications

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