| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To easily manage a plurality of documents as a group. <P>SOLUTION: The information of a symbolic image included in the symbolic image group of a designated group is inputted as a retrieval object of a history (104), and the latest snap shot information is selected (106, 108). The document information of a document corresponding to the symbolic image included in a current designated group is retrieved from the past snap shot information (110, 112, and 114). The symbolic image group including a plurality of symbolic images displayed within a prescribed distance range on the past work space picture is grouped based on each position information (116), and the group one-generation before the current designated group is specified from a plurality of groups (118). Furthermore, the document whose symbolic image has been displayed within a prescribed distance range on the past word space picture is added to the group one-generation before (120 to 124). <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
