Patent ID: 7299199

Claim:
An information-processing system comprising an information management apparatus for recording as well as managing a plurality of contents and a user device for acquiring said plurality of contents, said information management apparatus comprising: a first database for recording said plurality of contents; transmission means for receiving a request for a content of said plurality of contents identified by a content ID from the user device identified by a user ID, extracting the content from the database and transmitting the content extracted to the user device requesting the content; issuance means for generating a download ID based on the user ID and the content ID and issuing the download ID to the user device requesting the content; and a second database for recording the download ID issued by the issuance means by associating the download ID with the content ID requested by the user device by the communication means, whereas said information-processing apparatus includes first acquirement means for requesting said information management apparatus to transmit said content and acquiring said content transmitted by said information management apparatus as requested by said first acquirement means; second acquirement means for issuing a request to said information management apparatus to preserve said content acquired by said first acquirement means and acquiring the download ID transmitted by said information management apparatus in response to said request; and a memory for storing said download ID acquired by said second acquirement means.