发明名称 Virtual database of heterogeneous data structures
摘要 A higher-order level of the database hierarchy, contains elements of information to define the structure of elements of lower order information, at a lower level in the hierarchy. The lower-order level contains elements of information in a expression, in accordance with the structure established by elements of information in the higher level An Independent claim is included for the associated method, computer program and equipment.
申请公布号 EP1258812(A1) 申请公布日期 2002.11.20
申请号 EP20010112149 申请日期 2001.05.17
申请人 PRESSMAR, PETER 发明人 PRESSMAR, PETER
分类号 G06F17/30;(IPC1-7):G06F17/30 主分类号 G06F17/30
代理机构 代理人
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