| 摘要 |
A technique is provided, which supports a user in creating a new vocabulary. Upon an issue request reception unit 3420 receiving a request from a user to issue a namespace URI for a new vocabulary, a namespace URI issue unit 3422 issues a unique namespace URI by appending the user ID or the like to the domain name managed by the namespace URI issue unit 3422 itself. A register unit 3424 notifies the user of the namespace URI issued by the namespace URI issue unit 3422 , and registers the namespace URI with a VCD database 3430 . Also, in a case that the user who has created a definition file has permitted disclosure of the definition file to other users, the register unit 3424 acquires the definition file from the user, and stores the definition file at a location associated with the namespace URI in a VCD information holding unit 3432.
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