| http://www.w3.org/ns/prov#value | - In some embodiments, the social networking system 100 maintains a number of objects for the different kinds of items with which a user may interact on the system 100 (e.g., such as user profiles, pages, hubs, group objects, event objects, application objects, transaction objects, etc.) where the objects can be stored by the system 100 for each instance of its associated item.
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