| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve such problem that because there is not a system to adjust the relation between demand and supply of an author and a user, the utilization of distribution of a digital literary work cannot be promoted. SOLUTION: The digital literary work and copyright information relating the copyright of the digital literary work are sent to a server computer through a communication line under the control of a client computer. Under the control of the server computer, when the digital literary work and the copyright information sent from the client computer are received, a specified watermark is marked to the digital literary work to bury the copyright information in the watermark, and the digital literary work is memorized in a specified memory region to allow downloading of the digital literary work through a communication line.</p> |
