| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a means for data retrieval, allowing achievement of a retrieval site by a small amount of resource, and allowing setting of a book as a retrieval target while protecting a right of a writer. <P>SOLUTION: A file server device 12 stores encrypted data uploaded from a terminal device 11. A retrieval server device 14 stores storage place data, a classification code and summary data associatively to a decryption key for decrypting the data stored in the file server device 12. The retrieval server device 14 retrieves data satisfying a retrieval condition transmitted from a terminal device 13, and transmits a retrieval result page linked with the storage place data of the retrieved data to the terminal device 13. The terminal device 13 acquires the data from a place indicated by the storage place data linked to the retrieval result page, and acquires the decryption key for decrypting the data from the retrieval server device 14. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
