SERVER PROVIDING NAVIGATION SERVICE, PROGRAM MEMORY MEDIUM USED IN THE SERVER, NAVIGATION SYSTEM USING THE SERVER AND PROGRAM MEMORY MEDIUM USED IN CAR NAVIGATION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a server capable of reaching a navigation function to a region performing on behalf of so-called a personal driver of the user. SOLUTION: A server 8 provides a navigation service on the network. Specifically, an inference mechanism 84 refers to knowledge stored in a knowledge base 83 and develops a dialogue inference against the user of a terminal having a present position information transmission function. It also provides a destination routing assist information including the destination and a path guide to the destination. At this moment, the inference mechanism 84 determines the destination routing assist information according to both of preference information including the destination visit history obtained through dialogue inference with the user and the present position information at the moment received from the terminal of the user. COPYRIGHT: (C)2003,JPO