| http://www.w3.org/ns/prov#value | - memory correspond to each data name of each data item so as to produce a data table; access means for retrieving the data table according to a message transmitted from the terminal so as to be capable of making access to the memory based on the retrieved result, the message including an user ID; means for registering at least one user ID that at least one user has, the at least one user being perm
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