| 摘要 |
PROBLEM TO BE SOLVED: To easily and readily display a number of file groups (object groups) in a plurality of dimensional tree structures so as to be operable. SOLUTION: Objects include a file object directly associated with entity data (file) by a pointer (PTR) and a folder object showing a folder. Each object has link information (LINK). The link information comprises an upper layer link (Upper) showing an object of upper layer, a coordinate layer link (Pre) and (Suc) showing an object of coordinate layer, and a lower layer link (Lower Suc) and (lower Pre) showing an object of lower layer. The link information is provided in each of a plurality of dimensions. The link information of each dimension is referred to, whereby the object can be displayed in the tree structure of this dimension. The operation to the object is reflected to the link information or the like. COPYRIGHT: (C)2004,JPO&NCIPI
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