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ISPRS Int. J. Geo-Inf. 2016, 5(5), 62; doi:10.3390/ijgi5050062

Enhancing Spatio-Temporal Identity: States of Existence and Presence

Geomatics Unit, University of Liège, 4000 Liège, Belgium
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Academic Editors: François Anton and Wolfgang Kainz
Received: 6 February 2016 / Revised: 13 April 2016 / Accepted: 2 May 2016 / Published: 12 May 2016
(This article belongs to the Special Issue Multi-Dimensional Spatial Data Modeling)
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Abstract

This work presents a new approach that aims to characterize the spatio-temporal relationships that exist between geographical objects that are absent or non-existent at the moment of analysis. First, we would like to propose a formal analysis of the spatio-temporal states of presence and existence of a geographical object. We will then use a combination of these states in order to define a set of life and motion configurations. The model developed then serves as a formal basis for the realization of a series of spatio-temporal queries based on an analysis of patterns in the succession of spatio-temporal states. The entire approach is then demonstrated by using the example of the organization of a scientific conference by defining the spatio-temporal relationships between the conference participants. The research methodology is finally compared with a real dataset taken from a geolocalized social network to show the efficiency of this type of management. View Full-Text
Keywords: spatio-temporal relationship; existence; presence; spatio-temporal request; time geography spatio-temporal relationship; existence; presence; spatio-temporal request; time geography
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hallot, P.; Billen, R. Enhancing Spatio-Temporal Identity: States of Existence and Presence. ISPRS Int. J. Geo-Inf. 2016, 5, 62.

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