Patent ID: 7751968

Claim:
A method for generating map data, the method comprising: acquiring certain map data, which is relating to a specified area, from a map database; acquiring certain information, which suits a user's intention relating to generating map data, from an additional information database; generating specified map data by adding addition information, which is included in the certain information and related to the certain map data, to the certain map data; computing a price of the specified map data using a cost table; adding the computed price to the specified map data; computing the price reduction based on the discounting advertisement cost corresponding to sponsored symbolized information added to the specified map data; and discounting the computed price reduction from the computed price of the specified map data, wherein the additional information database contains sponsored symbolized information, addition of which allows map data to receive a price reduction provided by a corresponding sponsor, and wherein the cost table includes a discounting advertisement cost for providing the price reduction with respect to the sponsored symbolized information.