| 摘要 |
<P>PROBLEM TO BE SOLVED: To certify the copyright of respective contents data used for their preparation for the respective contents data prepared by compile. <P>SOLUTION: Contents data prepared by a copyright owner 200 are embedded with the contents ID of the contents data and copyright information being the copyright information of the contents data as electronic watermarks. New compiled contents data prepared by compiling the contents data by a compile author 201 are embedded with original contents ID information (including right information) associated with contents prepared by the copyright owner 200 and compiled contents ID information (including right information such as writing neighboring right) concerning the contents prepared by compile by the compile author 201 as electronic watermarks. <P>COPYRIGHT: (C)2004,JPO |
