PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During this process, a gas that is mainly composed of methane and carbon dioxide, also referred to as biogas, is produced.
http://www.w3.org/ns/prov#wasQuotedFrom
  • vccs.edu