| 摘要 |
PROBLEM TO BE SOLVED: To provide a mechanism for guiding an advertisement browsing route through an advertising medium really existing between user specified starting point and destination point. SOLUTION: A route retrieval site 1 retrieves for the shortest route according to the user specified starting point and destination point from a user terminal 5 through a network such as the Internet 2, and guides the same. In this case, the route retrieval site 1 guides the advertisement browsing route through a contract store really existing between the starting point and designation point even if it has a little longer distance from the shortest route according to the user's request. |
