| http://www.w3.org/ns/prov#value | - RIPTION OF THE DRAWINGS The present invention will be described in further detail with reference to the accompanying drawings, in which: FIG. 1 is a schematic diagram of the navigational apparatus embodying the present invention; FIG. 2 is an illustration of a display screen; FIG. 3 is an illustration of a road map; FIG. 4 is an illustration of details of the road map in developed form; FIG. 5 is
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