| 摘要 |
PROBLEM TO BE SOLVED: To divide a development scale of a software into a portion for diverting an existing software and a portion for modifying the software for measuring. SOLUTION: For each of records constituting a new file, the number of records being included in the new file and having the same contents and the number of records being included in the original file and having the same contents are counted. When the record having the same contents is larger (smaller) than the original file in the number of the new files, the record is counted as being reproduced (deleted). The records constituting the new file not included in the original file are counted as being newly created. The records constituting the original file not included in the new file are counted as being deleted. COPYRIGHT: (C)2004,JPO&NCIPI
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