PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is a natural gas that is released into the atmosphere, and the process of capturing the gases has been in practice for some time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • csra.ca