PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (2) Origins and formation mechanisms of hydrocarbons and other organic compounds in the subsurface, deep Earth and the universe
http://www.w3.org/ns/prov#wasQuotedFrom
  • ttu.edu