| http://www.w3.org/ns/prov#value | - Although the depicted embodiment in FIG. 1 depicts the use of a satellite 108 based positioning service such as GPS and the like, it will be understood by those skilled in the art that the present invention is not limited to any particular positioning means, and other positioning devices may also be used as an alternative to, or in addition to, satellite based positioning, such as LORAN, OMEGA, an
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