| 摘要 |
PROBLEM TO BE SOLVED: To improve the advertising effects of advertisement information by making a selecting method of the advertisement information displayed together with a map appropriate. SOLUTION: The map is displayed on a display level corresponding to a retrieval condition set by each user in order to retrieve a desired position on the map, at least one piece is selected among a plurality of pieces of separate advertisement information on the basis of the display level and displayed together with the map, pieces of advertisement information belonging to global advertisement information among the plurality of pieces of the separate advertisement information are displayed in common with a plurality of cases that the map is respectively displayed in a plurality of display levels, and meanwhile, when pieces of advertisement information belonging to local advertisement information are displayed while limited to a case that the map is displayed on the only predetermined display level. For instance, when a Japanese map is displayed on a prefectural level, national banner advertisement information that should be displayed at the time when the map is displayed on a national level is displayed with prefectural banner advertisement information that should be displayed at the time when the map is displayed on the prefectural level. |
