PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If we assume that the value of unobserved forms of pay was zero in 1950, these unobserved
http://www.w3.org/ns/prov#wasQuotedFrom
  • federalreserve.gov