DATA ACCESS METHOD OF MAP DATA FOR NAVIGATION, BILLING SYSTEM, PROGRAM, NAVIGATION SYSTEM, NAVIGATION METHOD, CENTER AND NAVIGATION APPARATUS

摘要

PROBLEM TO BE SOLVED: To bring down a usage cost of map data by enabling a user to use only an area including useful information for the user, and realize an expansion of a usage area of the map data even for a map data provider. SOLUTION: In a data access method of map data for navigation, a part or the whole of the map data is released by information on an access right to the data.