| http://www.w3.org/ns/prov#value | - The caution data is exemplified, as shown in FIG. 4A, by information indicating whether or not the guidance point includes a railroad crossing, a tunnel entrance or exit, a width reducing point, or no caution; the caution data is used for cautioning the driver about a railroad crossing, a tunnel, road narrowing point, or some other condition at a guidance point other than a branch point.
|
