| 摘要 |
PROBLEM TO BE SOLVED: To provide a route search system, route search method, and computer program capable of searching for a further proper route for a user.SOLUTION: The route search system is configured to, when searching for a recommended route by a navigation device 2, while collecting by a probe center 4, probe information from respective vehicles 3 traveling all parts of the country: when the number of pieces of probe information to be extracted for calculating a link cost of one link is few, increase the number of pieces of probe information to be extracted for calculating the one link or a cost value of a node by mitigating correspondence conditions in the extraction (S14), calculate the cost value of the link on the basis of the probe information extracted by the mitigated correspondence conditions (S16), and search for the recommended route using the calculated value of the link cost.SELECTED DRAWING: Figure 8 |
