| 摘要 |
PROBLEM TO BE SOLVED: To guarantee exclusiveness by allowing a service operator who has a service mark as a trademark to determine recognition codes by URLs of information senders who request service. SOLUTION: A recognition slip 10 is formed by combining together an exclusive service mark 11 which can be recognized as it is by a human and set as, for example, a trademark and a recognition code 12 like a bar code that a machine can recognize. |
