PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Their existence is the latest clue to the workings of Titan's intriguing atmosphere and its one-way cycle that delivers hydrocarbons and other organic compounds to the ground as precipitation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • astronomy.com