| 摘要 |
A method and apparatus within a computing execution environment for establishing monitoring of an instance of a context for an observer, including receiving, from a PAL client, a message at the PAL server, the message; requesting establishment of a presence context; resolving an aspect based on the message to establish the presence context, the presence context providing a simplified or abstracted view of presence information on behalf of the PAL client; and placing the presence context into at least one of a monitoring state and a monitoring-capable state if a trigger is associated with the aspect.
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