PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In some embodiments, the source of carbon is synthetic or naturally occurring carbonate, such as sodium carbonate, or limestone.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au