PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The FAR provides a number of price analysis techniques that may be used to determine whether prices are fair and reasonable, including comparison of the proposed price with prices found reasonable on previous purchases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gao.gov