| http://www.w3.org/ns/prov#value | - wireless networks, such as those identified above, to contact a user device and provide a command or other instruction to change its alert state from one particular state to another. [0054]FIG. 7 is a flow chart of a method for 190 obtaining and setting alert state change information for alert state change protocol 154, time-based event information 156, and location-based event information 172.
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