| 摘要 |
PROBLEM TO BE SOLVED: To continuously provide a user with information, which has been transmitted before the stop of transmission of an information originator or the change of contents to be transmitted, even after this stop or change by collecting and preserving multimedia information existing on the internet or the like. SOLUTION: When a retrieval condition of a URL or the like is inputted, a list of ULRs or the like in the information order to be presented as one book is generated, and multimedia information is acquired from a contents server system 2 based on these URLs and is generated into book type information. Auxiliary information which this information refers to is acquired also, and an identifier in an electronic information system 1 is given, and book type information, auxiliary information identifiers of sources of these information, and the identifier in the system are stored in a data base. When perusal is requested from a user, pertinent information and auxiliary information are extracted and are synthesized with auxiliary information, and an expression in a book form is used to present information on a display device.
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