PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hydrogen sulfide is the most prevalent chemical dissolved in the water issuing from undersea hydrothermal vents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • daviddarling.info