| http://www.w3.org/ns/prov#value | - Each sign is equipped with a distinct data receiver and the range of the LAWN is usually restricted to relatively small distance such as a few miles or so. [0098] It is also preferred that a multi-channel wireless data receiver be utilized that is suitable for receiving messages from a plurality of message leaving parties 112, 113, 114 and 115 desirous of updating their message posting information
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