| 摘要 |
<p>A method of controlling usage of data. The method comprises receiving data (S1); processing said received data to determine (S3) whether said received data has a predetermined relationship with data stored in a reference database; and processing said received data to determine (S5) whether said received data comprises predetermined data. First usage control processing (S4,S8) is carried out if the received data has said predetermined relationship with data stored in said reference database or if the received data comprises predetermined data. Second usage control processing (S6) is carried out if the received data does not have the predetermined relationship with data stored in a reference database and if the received data does not comprise predetermined data.</p> |
