| 摘要 |
<p>A computer system (1) for maintaining documents, including: a virtual database (2) of selected information in the documents, the virtual database (2) having a record pointer (5) which represents the selected information and which points to a data pointer (6) in a record (3), the record (3) being representative of the document and the data pointer (6) being a pointer to data (4) which is representative of the selected information, wherein the system (1) follows the record pointer (5) and the data pointer (6) so as to allow a user of the virtual database (2) to access the selected information in the virtual database (2).</p> |
