| http://www.w3.org/ns/prov#value | - That sort of depersonalizes it, so that people will not be asked to value your time (and some people do work faster than others) but rather there is an objective standard so that if you crochet a shawl which used 600 yards of lace yarn, first the cost of the lace yarn, perhaps $30, then 600 x (say, 10 cents) would give you $60, or a total of $90 for labor & material, or if you charge 15 cents per
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