PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since barter is a form of exchange, I???m guessing you mean ???indirect exchange??? (exchange of good A for good B not out of want for good B itself, but to trade good B for other goods) where you say ???exchange???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bleedingheartlibertarians.com