| 摘要 |
PURPOSE: To reduce data amount used in route selection and to efficiently issue a ticket between boarding and alighting stations on the optimum route. CONSTITUTION: This system is a system to automatically retrieve a route between designated boarding and alighting stations, and it is equipped with a station/group correspondence table 3c in which all groups to which respective station belongs correspond to each other, a group/group correspondence table 3d in which the routes between the groups correspond to each other for every group, and a route retrieval processing part 2c which retrieves the group of designated boarding and alighting stations from the station/group correspondence table 3c and retrieves the routes between retrieved groups from the group/group correspondence table 3d and selects the route in which the minimum number of times of transfer out of the retrieved routes can be obtained. |
