| 摘要 |
<P>PROBLEM TO BE SOLVED: To collate contents with specified contents to check whether they are identical to each other or not even if a contents ID is not buried in the contents by electronic openwork or the contents ID cannot be extracted from the contents though the contents ID is buried therein. <P>SOLUTION: The identification of the contents collected from a server on the Internet and stored in a collected contents storage part 34 is determined by a collating openwork input part 35, a collating openwork storage part 36, an openwork collating part 38, and an openwork extracting part 40 through the extraction of contents ID and comparison of original contents with the contents ID. Also the identification of the contents is determined by a collating contents input part 41, characteristic extraction parts 42 and 43, a collating characteristic storage part 44, and a characteristic collating part 45 through the extraction of characteristic data and the comparison of the original data with the characteristic data. <P>COPYRIGHT: (C)2003,JPO |
