PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Small amounts of carbon dioxide and other gases such as hydrogen sulphide are emitted from the geothermal areas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • essentialchemicalindustry.org