This document aims to present: (1) an analysis of distinct geospatial data dynamics and real application demands on representing and querying spatio-temporal data; and (2) a critical review of ten spatio-temporal database models proposed in the literature during the past two decades. This is an initial part of an ongoing work whose objective is to define a new database model, called Dynamic Geospatial Database Model (DyGeo Model), able to represent and query different geospatial data dynamics and so to support different kinds of spatio-temporal applications.
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