PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These substances are not directly derived from petroleum, but are actually formulated using organic compounds and other types of hydrocarbons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stressfreesalary.com