| http://www.w3.org/ns/prov#value | - 20080281618METHOD AND SYSTEM FOR THE TRACKING OF ARTICLES - Detecting whether an article has been loaded or unloaded for example from a ship by tracking the movements of a transducer such as an RFID tag attached to the article in space, and comparing the tracked movements with a trajectory envelope characterizing the movements associated with a load or unload action, and in the case where the move
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