http://www.w3.org/ns/prov#value | - When not obtaining the user attribute information, hand over only the DNS query message to the response generation unit B15. [0087] Here, the user attribute information represents a total of information about a user including, for example, a user ID of the user (client A1), location information, information about favorites such as hobbies and an activity history, a kind of user terminal such as a
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