| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation system configured to properly guide a user for shopping, in consideration of the evaluation of another purchaser, convenience of the user, and preference.SOLUTION: A navigation server 100 receives an object designated by a user of a terminal device 300 (S1, S2). The navigation server reads one or more materials required for making the object, from a knowledge DB 700A (S3), and reads a value indicating the evaluation of each material required for making the designated object, for each store, from a commodity information DB 700B (S4). The terminal device reads frequency of visits of the user for each of one or more stores selling the materials required for making the designated object, from a visit frequency DB 700D (S6). The terminal device displays the stores selling the materials, in the order based on the evaluation value and the visit frequency (S7), and receives a store selected (S8).SELECTED DRAWING: Figure 4 |
