| 摘要 |
PROBLEM TO BE SOLVED: To provide a server device and a navigation device that can efficiently detect an error in map data.SOLUTION: A server device collects probe information transmitted from plural navigation devices. The server device includes determination means that determines, on the basis of probe information when rerouting occurs in the navigation device, an error in map data at a place where the rerouting occurs. As a result, an error in map data can be efficiently detected. |
