closeness in time of the (geographic) data to the present reality

basic sub-function within the set of functionality for cooperative ITS support

NOTE 1 to entry This International Standard identifies eight application categories: Positioning, Route Planning, Route Guidance, Map Display, Address Location, Services and POI Information Access, cooperative ITS including Driving support, Multi-Modal Travel.

smallest unit which can be represented fixing a limit to precision and accuracy

properties of spatial configuration invariant under continuous transformation

NOTE In a digital map database this means the logical relationships among map features. It can be used to characterize spatial relationships such as connectivity and adjacency.