| http://www.w3.org/ns/prov#value | - Similarly, the functionality provided by data handling subsystem 22 will generally differ between implementations as may the types of data stored. [0012] The functional elements of the entity 20 comprise: [0013] a short-range wireless transceiver subsystem 21 (for example, infrared-based or, preferably, radio-based such as a Bluetooth system) for receiving and (preferably) transmitting location da
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