| http://www.w3.org/ns/prov#value | - In such a method, when the information providing side is to transmit the position of a road in which an event such as a traffic jam or a traffic accident is caused, ???road shape data??? comprising the coordinate string of a node and an interpolation point (the vertex of a polygonal line approximating the curve of the road which will be referred to as a ???node??? including the interpolation point
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