| http://www.w3.org/ns/prov#value | - The system receiver 14 also comprises a user interface device 32, which may include a keyboard or a pointing device such as a mouse, a display device 33 such as a display monitor, an output device 34 such as a printer and a database 35 such as a data base containing digital and/or digitized map data for use in determining geographical position of a vehicle from the ???raw??? position data.
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