PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For gases such as methane and ozone, which are also important, we use models which simulate chemical reactions in the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oceansatlas.org