| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0039] These objects and other objects and advantages of the present invention will become more apparent upon reading of the following detailed description and the accompanying drawings in which: [0040]FIG. 1 is a block diagram showing a system according to this invention; [0041]FIG. 2 shows one example of planning information to be stored in a first database; [00
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