| 摘要 |
PROBLEM TO BE SOLVED: To provide a file storage system for giving an access right to a user even when a file is not stored in a server when transmitting summary information when a user obtains the same effect as transmission of the file by transmission of the summary information of the file. SOLUTION: When a duplication-exclusion type uploading of the file is tried from a first terminal 21, the summary information is transmitted by a summary information transmitting means 12 to be stored in the summary information storage means 32 of a server device 3. When normal uploading of the file is performed from a second terminal 22, the file is transmitted by a transmitting means 25 to be stored in the file storage means 34 of the server device 3. Summary reference information is generated by a summary reference information generation means 35 from the file in the file storage means 34, and identity between the summary reference information and the summary information in the summary information storage means 32 is determined by an identity determination means 36. When a determination result is affirmative, the access right of the file is given to the user by an access right giving means 37. COPYRIGHT: (C)2011,JPO&INPIT
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