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x2v1 + u2v1)a2 + (−y2v1 + v2v1)b2)c1b1+ ((u2e1 − x2e1)a2 + (v2e1 − y2e1)b2)c1)
We present a data model for spatio-temporal databases. In this model spatio-temporal data is represented as a finite union of objects described by means of a spatial reference object, a temporal object and a geometric transformation function that determines the change or movement of the reference object in time.
Annals of Mathematics and Artificial Intelligence – Springer Journals
Published: Oct 10, 2004
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