PROBLEM TO BE SOLVED: To provide a sensor network system for transmitting information in relays, capable of suppressing the problem that information from a wireless terminal is not transmitted to a management terminal.;SOLUTION: A sensor network system 10 comprises a communication device 20, a plurality of wireless terminals 30 capable of performing communications with the communication device and with one another, and a management terminal 40 configured to manage information on an object. Upon receipt of the information on the object transmitted from the communication device, the wireless terminal selects one wireless terminal candidate on the basis of an order of priority from a plurality of wireless terminal candidates, and transmits information on the object to the selected wireless terminal candidate. The wireless terminal repeats the selection and transmission of the information until information transmitted from an information transmission part is received by one wireless terminal candidate. Since the information on the object from the communication device is transmitted to a wireless terminal capable of performing communications with the management terminal via one or a plurality of wireless terminals, the information on the object from the communication device is transmitted to the management terminal.;COPYRIGHT: (C)2014,JPO&INPIT
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