A wireless sensor intensive station that centrally controls a plurality of wireless sensor devices that perform event detection based on collected environmental information, and determines the determination threshold by comparing and evaluating the event detection conditions of the wireless sensor device and the received environmental information. An event detection condition control unit that determines whether the user is satisfied and a wireless sensor device having an associated event detection condition are selected by referring to the database, and an event detection condition associated with the selected wireless sensor device And a wireless sensor selection unit for setting.
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