SYSTEM AND METHOD FOR PROVIDING GEOGRAPHIC INFORMATION THROUGH REAL-TIME ACCESS CONTROL

摘要

PURPOSE: A system providing map information which is processed on a real time basis according to the access authority and a method thereof are provided. CONSTITUTION: An access control policy production and administration module (230) produces access control policy information according to users or services and provides them. A map information processing module (270) applies a masking technique or a clipping technique to the map information and process the map information provided for a user. If a user requests several layers, only layers of which authority about the authority information received from an access authority decision module (260) is given. The map information processing module transmits map information toe a user terminal (100) and provides map information which is able to be processed according to the access authority of a user who requested the map information. [Reference numerals] (210) Access control policy information DB; (220) User restriction information DB; (230) Access control policy production and administration module; (240) User restriction information administration module; (250) User restriction information confirmation module; (260) User access authority decision module; (270) Map information processing module; (300) Data communication network; (400) Map information providing system; (AA) Portable terminal