A. Mobius
The Mobius is an IoT service platform complying with
oneM2M standards, which supports to create virtual representations
of physical IoT devices. The oneM2M initiative
is an international partnership project established in 2012,
and its aim is to standardize machine-to-machine (M2M) and
IoT service layer specifications for globally-applicable and
access-independent M2M/IoT services [11]. The Mobius is
designed to comply with the oneM2M specifications, and supports
common M2M/IoT service functions, including device
registration, data repository and management, subscription and
notification, security, etc. Thus, the Mobius can support virtual
representations of the data collected from physical devices
installed into the connected farms. Furthermore, as mentioned
in Section 2, the Mobius provides REST APIs to access data
resources resided in the Mobius, and control IoT devices.