| 摘要 |
PURPOSE: To enable a user to relate the data to various objects as necessary by using plural application programs, data files, class data structures and object data structures. CONSTITUTION: This system includes the application programs 101 to 106, data files 221 to 223, plural class data structures and object data structures 202 to 205 and 207 to 210, respectively. Thus the layers are added between a computer user and the data files with use of the object data structures. Therefore, a computer uses such tags to which a user cannot have accesses to refer to the object data structures and can access the files related to these object data structures. As a result, the user can file and use his own data in any number of pieces.
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