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US08903789B2 Derived presence-aware service from associated entities 有权
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Derived presence-aware service from associated entities
Abstract:
A method may include receiving first event information about a first entity; receiving second event information about a second entity different from the first entity; associating the first entity and the second entity based on a user associated with the first entity and the second entity; and deriving presence event information based on the first event information and the second event information.
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