PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For instance, in one aspect, the gas, such as carbon dioxide is injected into the system as a gas (or in some instances as a solidified form or as a liquid form).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com