PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But he is quite a challenge, because CO2 is a pretty inert molecule and does not readily participate in chemical reactions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com