Recently, services with geospatial information have expanding rapidly. In case of road map, it has become increasingly important to represent various information such as stores, road works, traffic controls, accidents and positions of cars and people, because of the popularization of a vehicle and pedestrian navigation system. However, in Japan, coordinates that identify position from Japanese address is not on a road but on city block. So it is very important to identify the position on the road that various information indicates. Then, in this study, the geocoding technology was examined to specify the position on the road for the improvement and the upgrade of the convenience of service that used geospatial information. The method that used the location information and route information was invented about the identifying position on the road. Data targeted related information on road events in the process where the road structure was changed. In addition, the method at this identifying position was applied to information related to the road, the ratio of the accuracy and each accuracy was calculated, and application to service was examined.
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