PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • hierarchy gives the highest priority to observable inputs such as unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements).
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov