A formal model for representing point trajectories in two-dimensional spaces

Authors:
Valérie Noyon;Thomas Devogele;Christophe Claramunt
Affiliations:
Naval Academy Research Institute, Brest Naval, France;Naval Academy Research Institute, Brest Naval, France;Naval Academy Research Institute, Brest Naval, France
Venue:
ER'05 Proceedings of the 24th international conference on Perspectives in Conceptual Modeling
Year:
2005

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Abstract

Modelling moving points is a subject of interest that has attracted a wide range of spatio-temporal database research. Efforts so far have been oriented towards the development of database structures and query languages. The preliminary research presented in this paper introduces a formal analysis of spatio-temporal trajectories, where the objective is to complement current proposals by a categorization of the underlying processes that characterize moving points. The model introduced identifies the semantic exhibited by point versus point, point versus line and point versus region trajectories.