PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Informational proxies, assumptions and other substitutes are sometimes good enough, and more economically sound.The only way to know when the costs of acquiring and distributing information are lower than its economic benefit to consumers is, again, by reference to the market for information.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fark.com